wpa_supplicant/devel/p2p__i_8h_source.html

 #ifndef P2P_I_H

 #define P2P_I_H


 #include "utils/list.h"

 #include "p2p.h"


 #define P2P_GO_NEG_CNF_MAX_RETRY_COUNT 1


 /*

  * A threshold (in seconds) to prefer a direct Probe Response frame from a P2P

  * Device over the P2P Client Info received from a GO.

  */

 #define P2P_DEV_GROUP_CLIENT_RESP_THRESHOLD 1


 enum p2p_role_indication;


 /*

  * To force Service Instances to fit within a single P2P Tag, MAX_SVC_ADV_LEN

  * must equal 248 or less. Must have a minimum size of 19.

  */

 #define MAX_SVC_ADV_LEN 600

 #define MAX_SVC_ADV_IE_LEN (9 + MAX_SVC_ADV_LEN + (5 * (MAX_SVC_ADV_LEN / 240)))


 enum p2p_go_state {

         UNKNOWN_GO,

         LOCAL_GO,

         REMOTE_GO

 };


 struct p2p_device {

         struct dl_list list;

         struct os_reltime last_seen;

         int listen_freq;

         int oob_go_neg_freq;

         enum p2p_wps_method wps_method;

         u16 oob_pw_id;


         struct p2p_peer_info info;


         /*

          * If the peer was discovered based on an interface address (e.g., GO

          * from Beacon/Probe Response), the interface address is stored here.

          * p2p_device_addr must still be set in such a case to the unique

          * identifier for the P2P Device.

          *

          * This field is also used during P2PS PD to store the intended GO

          * address of the peer.

          */

         u8 interface_addr[ETH_ALEN];


         /*

          * P2P Device Address of the GO in whose group this P2P Device is a

          * client.

          */

         u8 member_in_go_dev[ETH_ALEN];


         /*

          * P2P Interface Address of the GO in whose group this P2P Device is a

          * client.

          */

         u8 member_in_go_iface[ETH_ALEN];


         int go_neg_req_sent;

         enum p2p_go_state go_state;

         u8 dialog_token;

         u8 tie_breaker;

         u8 intended_addr[ETH_ALEN];


         char country[3];

         struct p2p_channels channels;

         int oper_freq;

         u8 oper_ssid[SSID_MAX_LEN];

         size_t oper_ssid_len;


         u16 req_config_methods;


         u16 wps_prov_info;


 #define P2P_DEV_PROBE_REQ_ONLY BIT(0)

 #define P2P_DEV_REPORTED BIT(1)

 #define P2P_DEV_NOT_YET_READY BIT(2)

 #define P2P_DEV_PD_PEER_DISPLAY BIT(5)

 #define P2P_DEV_PD_PEER_KEYPAD BIT(6)

 #define P2P_DEV_USER_REJECTED BIT(7)

 #define P2P_DEV_PEER_WAITING_RESPONSE BIT(8)

 #define P2P_DEV_PREFER_PERSISTENT_GROUP BIT(9)

 #define P2P_DEV_WAIT_GO_NEG_RESPONSE BIT(10)

 #define P2P_DEV_WAIT_GO_NEG_CONFIRM BIT(11)

 #define P2P_DEV_GROUP_CLIENT_ONLY BIT(12)

 #define P2P_DEV_FORCE_FREQ BIT(13)

 #define P2P_DEV_PD_FOR_JOIN BIT(14)

 #define P2P_DEV_REPORTED_ONCE BIT(15)

 #define P2P_DEV_PREFER_PERSISTENT_RECONN BIT(16)

 #define P2P_DEV_PD_BEFORE_GO_NEG BIT(17)

 #define P2P_DEV_NO_PREF_CHAN BIT(18)

 #define P2P_DEV_WAIT_INV_REQ_ACK BIT(19)

 #define P2P_DEV_P2PS_REPORTED BIT(20)

 #define P2P_DEV_PD_PEER_P2PS BIT(21)

 #define P2P_DEV_LAST_SEEN_AS_GROUP_CLIENT BIT(22)


         unsigned int flags;


         int status; /* enum p2p_status_code */

         unsigned int wait_count;

         unsigned int connect_reqs;

         unsigned int invitation_reqs;

         unsigned int sd_reqs;


         u16 ext_listen_period;

         u16 ext_listen_interval;


         u8 go_timeout;

         u8 client_timeout;


         u8 go_neg_conf_sent;


         int go_neg_conf_freq;


         struct wpabuf *go_neg_conf;


         int sd_pending_bcast_queries;

 };


 struct p2p_sd_query {

         struct p2p_sd_query *next;

         u8 peer[ETH_ALEN];

         int for_all_peers;

         int wsd; /* Wi-Fi Display Service Discovery Request */

         struct wpabuf *tlvs;

 };


 struct p2p_pending_action_tx {

         unsigned int freq;

         u8 dst[ETH_ALEN];

         u8 src[ETH_ALEN];

         u8 bssid[ETH_ALEN];

         size_t len;

         unsigned int wait_time;

         /* Followed by len octets of the frame */

 };


 struct p2p_data {

         struct p2p_config *cfg;


         enum p2p_state {

                 P2P_IDLE,


                 P2P_SEARCH,


                 P2P_CONNECT,


                 P2P_CONNECT_LISTEN,


                 P2P_GO_NEG,


                 P2P_LISTEN_ONLY,


                 P2P_WAIT_PEER_CONNECT,


                 P2P_WAIT_PEER_IDLE,


                 P2P_SD_DURING_FIND,


                 P2P_PROVISIONING,


                 P2P_PD_DURING_FIND,


                 P2P_INVITE,


                 P2P_INVITE_LISTEN,

         } state;


         int min_disc_int;


         int max_disc_int;


         int max_disc_tu;


         struct dl_list devices;


         struct p2p_device *go_neg_peer;


         struct p2p_device *invite_peer;


         struct p2p_device *last_p2p_find_oper;


         const u8 *invite_go_dev_addr;

         u8 invite_go_dev_addr_buf[ETH_ALEN];

         int invite_dev_pw_id;


         unsigned int retry_invite_req:1;

         unsigned int retry_invite_req_sent:1;


         struct p2p_device *sd_peer;


         struct p2p_sd_query *sd_query;


         int num_p2p_sd_queries;


         /* GO Negotiation data */


         u8 intended_addr[ETH_ALEN];


         u8 go_intent;


         u8 next_tie_breaker;


         u8 ssid[SSID_MAX_LEN];


         size_t ssid_len;


         int ssid_set;


         u8 op_reg_class;


         u8 op_channel;


         struct p2p_channels channels;


         struct wpa_freq_range_list no_go_freq;


         enum p2p_pending_action_state {

                 P2P_NO_PENDING_ACTION,

                 P2P_PENDING_GO_NEG_REQUEST,

                 P2P_PENDING_GO_NEG_RESPONSE,

                 P2P_PENDING_GO_NEG_RESPONSE_FAILURE,

                 P2P_PENDING_GO_NEG_CONFIRM,

                 P2P_PENDING_SD,

                 P2P_PENDING_PD,

                 P2P_PENDING_PD_RESPONSE,

                 P2P_PENDING_INVITATION_REQUEST,

                 P2P_PENDING_INVITATION_RESPONSE,

                 P2P_PENDING_DEV_DISC_REQUEST,

                 P2P_PENDING_DEV_DISC_RESPONSE,

                 P2P_PENDING_GO_DISC_REQ

         } pending_action_state;


         unsigned int pending_listen_freq;

         unsigned int pending_listen_sec;

         unsigned int pending_listen_usec;


         u8 dev_capab;


         int in_listen;

         int drv_in_listen;


         struct p2p_sd_query *sd_queries;


         u16 srv_update_indic;


         struct wpabuf *sd_resp; /* Fragmented SD response */

         u8 sd_resp_addr[ETH_ALEN];

         u8 sd_resp_dialog_token;

         size_t sd_resp_pos; /* Offset in sd_resp */

         u8 sd_frag_id;


         struct wpabuf *sd_rx_resp; /* Reassembled SD response */

         u16 sd_rx_update_indic;


         /* P2P Invitation data */

         enum p2p_invite_role inv_role;

         u8 inv_bssid[ETH_ALEN];

         int inv_bssid_set;

         u8 inv_ssid[SSID_MAX_LEN];

         size_t inv_ssid_len;

         u8 inv_sa[ETH_ALEN];

         u8 inv_group_bssid[ETH_ALEN];

         u8 *inv_group_bssid_ptr;

         u8 inv_go_dev_addr[ETH_ALEN];

         u8 inv_status;

         int inv_op_freq;

         int inv_persistent;


         enum p2p_discovery_type find_type;

         unsigned int last_p2p_find_timeout;

         u8 last_prog_scan_class;

         u8 last_prog_scan_chan;

         int p2p_scan_running;

         enum p2p_after_scan {

                 P2P_AFTER_SCAN_NOTHING,

                 P2P_AFTER_SCAN_LISTEN,

                 P2P_AFTER_SCAN_CONNECT

         } start_after_scan;

         u8 after_scan_peer[ETH_ALEN];

         struct p2p_pending_action_tx *after_scan_tx;

         unsigned int after_scan_tx_in_progress:1;

         unsigned int send_action_in_progress:1;


         /* Requested device types for find/search */

         unsigned int num_req_dev_types;

         u8 *req_dev_types;

         u8 *find_dev_id;

         u8 find_dev_id_buf[ETH_ALEN];


         struct os_reltime find_start; /* time of last p2p_find start */


         struct p2p_group **groups;

         size_t num_groups;


         struct p2p_device *pending_client_disc_go;

         u8 pending_client_disc_addr[ETH_ALEN];

         u8 pending_dev_disc_dialog_token;

         u8 pending_dev_disc_addr[ETH_ALEN];

         int pending_dev_disc_freq;

         unsigned int pending_client_disc_freq;


         int ext_listen_only;

         unsigned int ext_listen_period;

         unsigned int ext_listen_interval;

         unsigned int ext_listen_interval_sec;

         unsigned int ext_listen_interval_usec;


         u8 peer_filter[ETH_ALEN];


         int cross_connect;


         int best_freq_24;

         int best_freq_5;

         int best_freq_overall;

         int own_freq_preference;


         struct wpabuf *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT];


         /*

          * user_initiated_pd - Whether a PD request is user initiated or not.

          */

         u8 user_initiated_pd;


         /*

          * Keep track of which peer a given PD request was sent to.

          * Used to raise a timeout alert in case there is no response.

          */

         u8 pending_pd_devaddr[ETH_ALEN];


         /*

          * Retry counter for provision discovery requests when issued

          * in IDLE state.

          */

         int pd_retries;


         int pd_force_freq;


         u8 go_timeout;

         u8 client_timeout;


         /* Extra delay in milliseconds between search iterations */

         unsigned int search_delay;

         int in_search_delay;


         u8 pending_reg_class;

         u8 pending_channel;

         u8 pending_channel_forced;


         /* ASP Support */

         struct p2ps_advertisement *p2ps_adv_list;

         struct p2ps_provision *p2ps_prov;

         u8 wild_card_hash[P2PS_HASH_LEN];

         u8 p2ps_seek;

         u8 p2ps_seek_hash[P2P_MAX_QUERY_HASH * P2PS_HASH_LEN];

         u8 p2ps_seek_count;


 #ifdef CONFIG_WIFI_DISPLAY

         struct wpabuf *wfd_ie_beacon;

         struct wpabuf *wfd_ie_probe_req;

         struct wpabuf *wfd_ie_probe_resp;

         struct wpabuf *wfd_ie_assoc_req;

         struct wpabuf *wfd_ie_invitation;

         struct wpabuf *wfd_ie_prov_disc_req;

         struct wpabuf *wfd_ie_prov_disc_resp;

         struct wpabuf *wfd_ie_go_neg;

         struct wpabuf *wfd_dev_info;

         struct wpabuf *wfd_assoc_bssid;

         struct wpabuf *wfd_coupled_sink_info;

 #endif /* CONFIG_WIFI_DISPLAY */


         u16 authorized_oob_dev_pw_id;


         struct wpabuf **vendor_elem;


         unsigned int pref_freq_list[P2P_MAX_PREF_CHANNELS];

         unsigned int num_pref_freq;

 };


 struct p2p_message {

         struct wpabuf *p2p_attributes;

         struct wpabuf *wps_attributes;

         struct wpabuf *wfd_subelems;


         u8 dialog_token;


         const u8 *capability;

         const u8 *go_intent;

         const u8 *status;

         const u8 *listen_channel;

         const u8 *operating_channel;

         const u8 *channel_list;

         u8 channel_list_len;

         const u8 *config_timeout;

         const u8 *intended_addr;

         const u8 *group_bssid;

         const u8 *invitation_flags;


         const u8 *group_info;

         size_t group_info_len;


         const u8 *group_id;

         size_t group_id_len;


         const u8 *device_id;


         const u8 *manageability;


         const u8 *noa;

         size_t noa_len;


         const u8 *ext_listen_timing;


         const u8 *minor_reason_code;


         const u8 *oob_go_neg_channel;


         /* P2P Device Info */

         const u8 *p2p_device_info;

         size_t p2p_device_info_len;

         const u8 *p2p_device_addr;

         const u8 *pri_dev_type;

         u8 num_sec_dev_types;

         char device_name[WPS_DEV_NAME_MAX_LEN + 1];

         u16 config_methods;


         /* WPS IE */

         u16 dev_password_id;

         int dev_password_id_present;

         u16 wps_config_methods;

         const u8 *wps_pri_dev_type;

         const u8 *wps_sec_dev_type_list;

         size_t wps_sec_dev_type_list_len;

         const u8 *wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT];

         size_t wps_vendor_ext_len[P2P_MAX_WPS_VENDOR_EXT];

         const u8 *manufacturer;

         size_t manufacturer_len;

         const u8 *model_name;

         size_t model_name_len;

         const u8 *model_number;

         size_t model_number_len;

         const u8 *serial_number;

         size_t serial_number_len;

         const u8 *oob_dev_password;

         size_t oob_dev_password_len;


         /* DS Parameter Set IE */

         const u8 *ds_params;


         /* SSID IE */

         const u8 *ssid;


         /* P2PS */

         u8 service_hash_count;

         const u8 *service_hash;


         const u8 *session_info;

         size_t session_info_len;


         const u8 *conn_cap;


         const u8 *adv_id;

         const u8 *adv_mac;


         const u8 *adv_service_instance;

         size_t adv_service_instance_len;


         const u8 *session_id;

         const u8 *session_mac;


         const u8 *feature_cap;

         size_t feature_cap_len;


         const u8 *persistent_dev;

         const u8 *persistent_ssid;

         size_t persistent_ssid_len;


         const u8 *pref_freq_list;

         size_t pref_freq_list_len;

 };


 #define P2P_MAX_GROUP_ENTRIES 50


 struct p2p_group_info {

         unsigned int num_clients;

         struct p2p_client_info {

                 const u8 *p2p_device_addr;

                 const u8 *p2p_interface_addr;

                 u8 dev_capab;

                 u16 config_methods;

                 const u8 *pri_dev_type;

                 u8 num_sec_dev_types;

                 const u8 *sec_dev_types;

                 const char *dev_name;

                 size_t dev_name_len;

         } client[P2P_MAX_GROUP_ENTRIES];

 };


 /* p2p_utils.c */

 int p2p_random(char *buf, size_t len);

 int p2p_channel_to_freq(int op_class, int channel);

 int p2p_freq_to_channel(unsigned int freq, u8 *op_class, u8 *channel);

 void p2p_channels_intersect(const struct p2p_channels *a,

                             const struct p2p_channels *b,

                             struct p2p_channels *res);

 void p2p_channels_union_inplace(struct p2p_channels *res,

                                 const struct p2p_channels *b);

 void p2p_channels_union(const struct p2p_channels *a,

                         const struct p2p_channels *b,

                         struct p2p_channels *res);

 void p2p_channels_remove_freqs(struct p2p_channels *chan,

                                const struct wpa_freq_range_list *list);

 int p2p_channels_includes(const struct p2p_channels *channels, u8 reg_class,

                           u8 channel);

 void p2p_channels_dump(struct p2p_data *p2p, const char *title,

                        const struct p2p_channels *chan);

 int p2p_channel_select(struct p2p_channels *chans, const int *classes,

                        u8 *op_class, u8 *op_channel);

 int p2p_channel_random_social(struct p2p_channels *chans, u8 *op_class,

                               u8 *op_channel);


 /* p2p_parse.c */

 int p2p_parse_p2p_ie(const struct wpabuf *buf, struct p2p_message *msg);

 int p2p_parse_ies(const u8 *data, size_t len, struct p2p_message *msg);

 int p2p_parse(const u8 *data, size_t len, struct p2p_message *msg);

 int p2p_parse_ies_separate(const u8 *wsc, size_t wsc_len, const u8 *p2p,

                            size_t p2p_len, struct p2p_message *msg);

 void p2p_parse_free(struct p2p_message *msg);

 int p2p_attr_text(struct wpabuf *data, char *buf, char *end);

 int p2p_group_info_parse(const u8 *gi, size_t gi_len,

                          struct p2p_group_info *info);


 /* p2p_build.c */


 struct p2p_noa_desc {

         u8 count_type;

         u32 duration;

         u32 interval;

         u32 start_time;

 };


 /* p2p_group.c */

 const u8 * p2p_group_get_interface_addr(struct p2p_group *group);

 u8 p2p_group_presence_req(struct p2p_group *group,

                           const u8 *client_interface_addr,

                           const u8 *noa, size_t noa_len);

 int p2p_group_is_group_id_match(struct p2p_group *group, const u8 *group_id,

                                 size_t group_id_len);

 void p2p_group_update_ies(struct p2p_group *group);

 void p2p_group_force_beacon_update_ies(struct p2p_group *group);

 struct wpabuf * p2p_group_get_wfd_ie(struct p2p_group *g);

 void p2p_buf_add_group_info(struct p2p_group *group, struct wpabuf *buf,

                             int max_clients);

 void p2p_group_buf_add_id(struct p2p_group *group, struct wpabuf *buf);

 int p2p_group_get_freq(struct p2p_group *group);


 void p2p_buf_add_action_hdr(struct wpabuf *buf, u8 subtype, u8 dialog_token);

 void p2p_buf_add_public_action_hdr(struct wpabuf *buf, u8 subtype,

                                    u8 dialog_token);

 u8 * p2p_buf_add_ie_hdr(struct wpabuf *buf);

 void p2p_buf_add_status(struct wpabuf *buf, u8 status);

 void p2p_buf_add_device_info(struct wpabuf *buf, struct p2p_data *p2p,

                              struct p2p_device *peer);

 void p2p_buf_add_device_id(struct wpabuf *buf, const u8 *dev_addr);

 void p2p_buf_update_ie_hdr(struct wpabuf *buf, u8 *len);

 void p2p_buf_add_capability(struct wpabuf *buf, u8 dev_capab, u8 group_capab);

 void p2p_buf_add_go_intent(struct wpabuf *buf, u8 go_intent);

 void p2p_buf_add_listen_channel(struct wpabuf *buf, const char *country,

                                 u8 reg_class, u8 channel);

 void p2p_buf_add_operating_channel(struct wpabuf *buf, const char *country,

                                    u8 reg_class, u8 channel);

 void p2p_buf_add_channel_list(struct wpabuf *buf, const char *country,

                               struct p2p_channels *chan);

 void p2p_buf_add_config_timeout(struct wpabuf *buf, u8 go_timeout,

                                 u8 client_timeout);

 void p2p_buf_add_intended_addr(struct wpabuf *buf, const u8 *interface_addr);

 void p2p_buf_add_group_bssid(struct wpabuf *buf, const u8 *bssid);

 void p2p_buf_add_group_id(struct wpabuf *buf, const u8 *dev_addr,

                           const u8 *ssid, size_t ssid_len);

 void p2p_buf_add_invitation_flags(struct wpabuf *buf, u8 flags);

 void p2p_buf_add_noa(struct wpabuf *buf, u8 noa_index, u8 opp_ps, u8 ctwindow,

                      struct p2p_noa_desc *desc1, struct p2p_noa_desc *desc2);

 void p2p_buf_add_ext_listen_timing(struct wpabuf *buf, u16 period,

                                    u16 interval);

 void p2p_buf_add_p2p_interface(struct wpabuf *buf, struct p2p_data *p2p);

 void p2p_buf_add_oob_go_neg_channel(struct wpabuf *buf, const char *country,

                                     u8 oper_class, u8 channel,

                                     enum p2p_role_indication role);

 void p2p_buf_add_service_hash(struct wpabuf *buf, struct p2p_data *p2p);

 void p2p_buf_add_session_info(struct wpabuf *buf, const char *info);

 void p2p_buf_add_connection_capability(struct wpabuf *buf, u8 connection_cap);

 void p2p_buf_add_advertisement_id(struct wpabuf *buf, u32 id, const u8 *mac);

 void p2p_buf_add_service_instance(struct wpabuf *buf, struct p2p_data *p2p,

                                   u8 count, const u8 *hash,

                                   struct p2ps_advertisement *adv_list);

 void p2p_buf_add_session_id(struct wpabuf *buf, u32 id, const u8 *mac);

 void p2p_buf_add_feature_capability(struct wpabuf *buf, u16 len,

                                     const u8 *mask);

 void p2p_buf_add_persistent_group_info(struct wpabuf *buf, const u8 *dev_addr,

                                        const u8 *ssid, size_t ssid_len);

 int p2p_build_wps_ie(struct p2p_data *p2p, struct wpabuf *buf, int pw_id,

                      int all_attr);

 void p2p_buf_add_pref_channel_list(struct wpabuf *buf,

                                    const u32 *preferred_freq_list, u32 size);


 /* p2p_sd.c */

 struct p2p_sd_query * p2p_pending_sd_req(struct p2p_data *p2p,

                                          struct p2p_device *dev);

 void p2p_free_sd_queries(struct p2p_data *p2p);

 void p2p_rx_gas_initial_req(struct p2p_data *p2p, const u8 *sa,

                             const u8 *data, size_t len, int rx_freq);

 void p2p_rx_gas_initial_resp(struct p2p_data *p2p, const u8 *sa,

                              const u8 *data, size_t len, int rx_freq);

 void p2p_rx_gas_comeback_req(struct p2p_data *p2p, const u8 *sa,

                              const u8 *data, size_t len, int rx_freq);

 void p2p_rx_gas_comeback_resp(struct p2p_data *p2p, const u8 *sa,

                               const u8 *data, size_t len, int rx_freq);

 int p2p_start_sd(struct p2p_data *p2p, struct p2p_device *dev);


 /* p2p_go_neg.c */

 int p2p_peer_channels_check(struct p2p_data *p2p, struct p2p_channels *own,

                             struct p2p_device *dev,

                             const u8 *channel_list, size_t channel_list_len);

 void p2p_process_go_neg_req(struct p2p_data *p2p, const u8 *sa,

                             const u8 *data, size_t len, int rx_freq);

 void p2p_process_go_neg_resp(struct p2p_data *p2p, const u8 *sa,

                              const u8 *data, size_t len, int rx_freq);

 void p2p_process_go_neg_conf(struct p2p_data *p2p, const u8 *sa,

                              const u8 *data, size_t len);

 int p2p_connect_send(struct p2p_data *p2p, struct p2p_device *dev);

 u16 p2p_wps_method_pw_id(enum p2p_wps_method wps_method);

 void p2p_reselect_channel(struct p2p_data *p2p,

                           struct p2p_channels *intersection);

 void p2p_check_pref_chan(struct p2p_data *p2p, int go,

                          struct p2p_device *dev, struct p2p_message *msg);


 /* p2p_pd.c */

 void p2p_process_prov_disc_req(struct p2p_data *p2p, const u8 *sa,

                                const u8 *data, size_t len, int rx_freq);

 void p2p_process_prov_disc_resp(struct p2p_data *p2p, const u8 *sa,

                                 const u8 *data, size_t len);

 int p2p_send_prov_disc_req(struct p2p_data *p2p, struct p2p_device *dev,

                            int join, int force_freq);

 void p2p_reset_pending_pd(struct p2p_data *p2p);

 void p2ps_prov_free(struct p2p_data *p2p);


 /* p2p_invitation.c */

 void p2p_process_invitation_req(struct p2p_data *p2p, const u8 *sa,

                                 const u8 *data, size_t len, int rx_freq);

 void p2p_process_invitation_resp(struct p2p_data *p2p, const u8 *sa,

                                  const u8 *data, size_t len);

 int p2p_invite_send(struct p2p_data *p2p, struct p2p_device *dev,

                     const u8 *go_dev_addr, int dev_pw_id);

 void p2p_invitation_req_cb(struct p2p_data *p2p, int success);

 void p2p_invitation_resp_cb(struct p2p_data *p2p, int success);


 /* p2p_dev_disc.c */

 void p2p_process_dev_disc_req(struct p2p_data *p2p, const u8 *sa,

                               const u8 *data, size_t len, int rx_freq);

 void p2p_dev_disc_req_cb(struct p2p_data *p2p, int success);

 int p2p_send_dev_disc_req(struct p2p_data *p2p, struct p2p_device *dev);

 void p2p_dev_disc_resp_cb(struct p2p_data *p2p, int success);

 void p2p_process_dev_disc_resp(struct p2p_data *p2p, const u8 *sa,

                                const u8 *data, size_t len);

 void p2p_go_disc_req_cb(struct p2p_data *p2p, int success);

 void p2p_process_go_disc_req(struct p2p_data *p2p, const u8 *da, const u8 *sa,

                              const u8 *data, size_t len, int rx_freq);


 /* p2p.c */

 void p2p_set_state(struct p2p_data *p2p, int new_state);

 void p2p_set_timeout(struct p2p_data *p2p, unsigned int sec,

                      unsigned int usec);

 void p2p_clear_timeout(struct p2p_data *p2p);

 void p2p_continue_find(struct p2p_data *p2p);

 struct p2p_device * p2p_add_dev_from_go_neg_req(struct p2p_data *p2p,

                                                 const u8 *addr,

                                                 struct p2p_message *msg);

 void p2p_add_dev_info(struct p2p_data *p2p, const u8 *addr,

                       struct p2p_device *dev, struct p2p_message *msg);

 int p2p_add_device(struct p2p_data *p2p, const u8 *addr, int freq,

                    struct os_reltime *rx_time, int level, const u8 *ies,

                    size_t ies_len, int scan_res);

 struct p2p_device * p2p_get_device(struct p2p_data *p2p, const u8 *addr);

 struct p2p_device * p2p_get_device_interface(struct p2p_data *p2p,

                                              const u8 *addr);

 void p2p_go_neg_failed(struct p2p_data *p2p, int status);

 void p2p_go_complete(struct p2p_data *p2p, struct p2p_device *peer);

 int p2p_match_dev_type(struct p2p_data *p2p, struct wpabuf *wps);

 int dev_type_list_match(const u8 *dev_type, const u8 *req_dev_type[],

                         size_t num_req_dev_type);

 struct wpabuf * p2p_build_probe_resp_ies(struct p2p_data *p2p,

                                          const u8 *query_hash,

                                          u8 query_count);

 void p2p_build_ssid(struct p2p_data *p2p, u8 *ssid, size_t *ssid_len);

 int p2p_send_action(struct p2p_data *p2p, unsigned int freq, const u8 *dst,

                     const u8 *src, const u8 *bssid, const u8 *buf,

                     size_t len, unsigned int wait_time);

 void p2p_stop_listen_for_freq(struct p2p_data *p2p, int freq);

 int p2p_prepare_channel(struct p2p_data *p2p, struct p2p_device *dev,

                         unsigned int force_freq, unsigned int pref_freq,

                         int go);

 void p2p_go_neg_wait_timeout(void *eloop_ctx, void *timeout_ctx);

 int p2p_go_select_channel(struct p2p_data *p2p, struct p2p_device *dev,

                           u8 *status);

 void p2p_dbg(struct p2p_data *p2p, const char *fmt, ...)

 PRINTF_FORMAT(2, 3);

 void p2p_info(struct p2p_data *p2p, const char *fmt, ...)

 PRINTF_FORMAT(2, 3);

 void p2p_err(struct p2p_data *p2p, const char *fmt, ...)

 PRINTF_FORMAT(2, 3);


 #endif /* P2P_I_H */

p2p_data::go_neg_peer
struct p2p_device * go_neg_peer
Pointer to GO Negotiation peer.
Definition: p2p_i.h:299

p2p_add_device
int p2p_add_device(struct p2p_data *p2p, const u8 *addr, int freq, struct os_reltime *rx_time, int level, const u8 *ies, size_t ies_len, int scan_res)
Add peer entries based on scan results or P2P frames.
Definition: p2p.c:700

p2p_pending_action_tx
Definition: p2p_i.h:163

p2p_attr_text
int p2p_attr_text(struct wpabuf *data, char *buf, char *end)
Build text format description of P2P IE attributes.
Definition: p2p_parse.c:769

p2p_data::max_disc_tu
int max_disc_tu
Maximum number of TUs for discoverable interval.
Definition: p2p_i.h:287

p2p_data::P2P_WAIT_PEER_CONNECT
Waiting peer in List for GO Neg.
Definition: p2p_i.h:232

p2p_data::P2P_PROVISIONING
Provisioning (during group formation)
Definition: p2p_i.h:250

p2p_message
Parsed P2P message (or P2P IE)
Definition: p2p_i.h:587

p2p_data::wps_vendor_ext
struct wpabuf * wps_vendor_ext[P2P_MAX_WPS_VENDOR_EXT]
WPS Vendor Extensions to add.
Definition: p2p_i.h:514

p2p_data::invite_peer
struct p2p_device * invite_peer
Pointer to Invite peer.
Definition: p2p_i.h:305

p2p_parse_free
void p2p_parse_free(struct p2p_message *msg)
Free temporary data from P2P parsing.
Definition: p2p_parse.c:610

p2p_data::sd_query
struct p2p_sd_query * sd_query
Pointer to Service Discovery query.
Definition: p2p_i.h:330

p2p_channels_includes
int p2p_channels_includes(const struct p2p_channels *channels, u8 reg_class, u8 channel)
Check whether a channel is included in the list.
Definition: p2p_utils.c:250

p2p_data::ssid_len
size_t ssid_len
ssid length in octets
Definition: p2p_i.h:373

p2p_match_dev_type
int p2p_match_dev_type(struct p2p_data *p2p, struct wpabuf *wps)
Match local device type with requested type.
Definition: p2p.c:2122

p2p_config
P2P configuration.
Definition: p2p.h:470

p2p_random
int p2p_random(char *buf, size_t len)
Generate random string for SSID and passphrase.
Definition: p2p_utils.c:22

p2p_device::go_neg_conf_sent
u8 go_neg_conf_sent
Number of GO Negotiation Confirmation retries.
Definition: p2p_i.h:138

p2p_data::P2P_CONNECT
Trying to start GO Negotiation.
Definition: p2p_i.h:208

p2p_peer_info
P2P peer information.
Definition: p2p.h:344

p2p_reselect_channel
void p2p_reselect_channel(struct p2p_data *p2p, struct p2p_channels *intersection)
Re-select operating channel based on peer information.
Definition: p2p_go_neg.c:374

p2p_data::op_reg_class
u8 op_reg_class
Regulatory class for own operational channel.
Definition: p2p_i.h:382

p2p_data::P2P_SEARCH
Search (Device Discovery)
Definition: p2p_i.h:202

p2p_data::P2P_PD_DURING_FIND
Provision Discovery during find.
Definition: p2p_i.h:256

p2p_channels_union
void p2p_channels_union(const struct p2p_channels *a, const struct p2p_channels *b, struct p2p_channels *res)
Union of channel lists.
Definition: p2p_utils.c:198

p2p_device::go_neg_conf_freq
int go_neg_conf_freq
Frquency on which the GO Negotiation Confirmation is sent.
Definition: p2p_i.h:144

p2p_channels_intersect
void p2p_channels_intersect(const struct p2p_channels *a, const struct p2p_channels *b, struct p2p_channels *res)
Intersection of supported channel lists.
Definition: p2p_utils.c:107

wpabuf
Definition: wpabuf.h:16

p2p_data::channels
struct p2p_channels channels
Own supported regulatory classes and channels.
Definition: p2p_i.h:398

p2p_data::op_channel
u8 op_channel
Own operational channel.
Definition: p2p_i.h:388

p2p_prepare_channel
int p2p_prepare_channel(struct p2p_data *p2p, struct p2p_device *dev, unsigned int force_freq, unsigned int pref_freq, int go)
Select operating channel for GO Negotiation.
Definition: p2p.c:1471

p2p_data::min_disc_int
int min_disc_int
minDiscoverableInterval
Definition: p2p_i.h:275

p2p.h
Wi-Fi Direct - P2P module.

p2p_get_device_interface
struct p2p_device * p2p_get_device_interface(struct p2p_data *p2p, const u8 *addr)
Fetch a peer entry based on P2P Interface Address.
Definition: p2p.c:388

p2p_get_device
struct p2p_device * p2p_get_device(struct p2p_data *p2p, const u8 *addr)
Fetch a peer entry.
Definition: p2p.c:371

p2p_data::sd_peer
struct p2p_device * sd_peer
Pointer to Service Discovery peer.
Definition: p2p_i.h:324

p2p_data::P2P_INVITE
Trying to start Invite.
Definition: p2p_i.h:262

wpa_freq_range_list
Definition: common.h:501

p2p_data::cfg
struct p2p_config * cfg
P2P module configuration.
Definition: p2p_i.h:185

p2p_channels_union_inplace
void p2p_channels_union_inplace(struct p2p_channels *res, const struct p2p_channels *b)
Inplace union of channel lists.
Definition: p2p_utils.c:158

p2p_data::P2P_INVITE_LISTEN
Listen during Invite.
Definition: p2p_i.h:268

p2ps_provision
Definition: p2p.h:182

p2p_data::last_p2p_find_oper
struct p2p_device * last_p2p_find_oper
Pointer to last pre-find operation peer.
Definition: p2p_i.h:311

os_reltime
Definition: os.h:22

p2p_device
P2P Device data (internal to P2P module)
Definition: p2p_i.h:38

p2p_channels
List of supported channels.
Definition: p2p.h:44

p2p_data::P2P_IDLE
Idle.
Definition: p2p_i.h:196

list.h
Doubly-linked list.

p2p_data::intended_addr
u8 intended_addr[ETH_ALEN]
Local Intended P2P Interface Address.
Definition: p2p_i.h:349

p2p_data
P2P module data (internal to P2P module)
Definition: p2p_i.h:177

p2p_data::P2P_WAIT_PEER_IDLE
Waiting peer idle for GO Neg.
Definition: p2p_i.h:238

p2p_data::P2P_GO_NEG
In GO Negotiation.
Definition: p2p_i.h:220

p2p_data::p2p_state
p2p_state
The current P2P state.
Definition: p2p_i.h:191

p2p_data::P2P_CONNECT_LISTEN
Listen during GO Negotiation start.
Definition: p2p_i.h:214

dl_list
Doubly-linked list.
Definition: list.h:12

p2p_data::max_disc_int
int max_disc_int
maxDiscoverableInterval
Definition: p2p_i.h:281

p2p_data::ssid
u8 ssid[SSID_MAX_LEN]
Selected SSID for GO Negotiation (if local end will be GO)
Definition: p2p_i.h:367

p2p_sd_query
Definition: p2p_i.h:155

P2P_MAX_PREF_CHANNELS
#define P2P_MAX_PREF_CHANNELS
Maximum number of preferred channels.
Definition: p2p.h:26

p2ps_advertisement
Definition: p2p.h:263

p2p_parse_p2p_ie
int p2p_parse_p2p_ie(const struct wpabuf *buf, struct p2p_message *msg)
Parse P2P IE.
Definition: p2p_parse.c:405

p2p_data::ssid_set
int ssid_set
Whether SSID is already set for GO Negotiation.
Definition: p2p_i.h:379

p2p_freq_to_channel
int p2p_freq_to_channel(unsigned int freq, u8 *op_class, u8 *channel)
Convert frequency into channel info.
Definition: p2p_utils.c:65

p2p_data::next_tie_breaker
u8 next_tie_breaker
Next tie-breaker value to use in GO Negotiation.
Definition: p2p_i.h:361

p2p_data::srv_update_indic
u16 srv_update_indic
Service Update Indicator for local services.
Definition: p2p_i.h:437

p2p_group_info::p2p_client_info
Definition: p2p_i.h:694

p2p_data::P2P_SD_DURING_FIND
Service Discovery during find.
Definition: p2p_i.h:244

p2p_data::sd_queries
struct p2p_sd_query * sd_queries
Pending service discovery queries.
Definition: p2p_i.h:431

p2p_channel_to_freq
int p2p_channel_to_freq(int op_class, int channel)
Convert channel info to frequency.
Definition: p2p_utils.c:53

p2p_device::req_config_methods
u16 req_config_methods
Pending provision discovery methods.
Definition: p2p_i.h:87

p2p_device::go_neg_conf
struct wpabuf * go_neg_conf
GO Negotiation Confirmation frame.
Definition: p2p_i.h:150

p2p_parse
int p2p_parse(const u8 *data, size_t len, struct p2p_message *msg)
Parse a P2P Action frame contents.
Definition: p2p_parse.c:564

p2p_group
Internal P2P module per-group data.
Definition: p2p_group.c:31

p2p_data::pd_force_freq
int pd_force_freq
Forced frequency for PD retries or 0 to auto-select.
Definition: p2p_i.h:540

p2p_device::wps_prov_info
u16 wps_prov_info
Stored provisioning WPS config method.
Definition: p2p_i.h:96

p2p_group_info
Definition: p2p_i.h:692

p2p_data::go_intent
u8 go_intent
Local GO Intent to be used during GO Negotiation.
Definition: p2p_i.h:355

p2p_data::num_p2p_sd_queries
int num_p2p_sd_queries
Total number of broadcast SD queries present in the list.
Definition: p2p_i.h:336

p2p_data::devices
struct dl_list devices
List of known P2P Device peers.
Definition: p2p_i.h:293

p2p_noa_desc
Definition: p2p_i.h:744

p2p_parse_ies
int p2p_parse_ies(const u8 *data, size_t len, struct p2p_message *msg)
Parse P2P message IEs (both WPS and P2P IE)
Definition: p2p_parse.c:510

p2p_data::P2P_LISTEN_ONLY
Listen only.
Definition: p2p_i.h:226