+++ /dev/null
-/*
- * P2P - Internal definitions for 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.
- */
-
-#ifndef P2P_I_H
-#define P2P_I_H
-
-#include "utils/list.h"
-#include "p2p.h"
-
-/* TODO: add removal of expired P2P device entries */
-
-enum p2p_go_state {
- UNKNOWN_GO,
- LOCAL_GO,
- REMOTE_GO
-};
-
-/**
- * struct p2p_device - P2P Device data (internal to P2P module)
- */
-struct p2p_device {
- struct dl_list list;
- struct os_time last_seen;
- int listen_freq;
- int level;
- enum p2p_wps_method wps_method;
-
- u8 p2p_device_addr[ETH_ALEN]; /* P2P Device Address of the peer */
- u8 pri_dev_type[8];
- char device_name[33];
- u16 config_methods;
- u8 dev_capab;
- u8 group_capab;
-
- /*
- * 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.
- */
- 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 intended_addr[ETH_ALEN];
-
- char country[3];
- struct p2p_channels channels;
- int oper_freq;
- u8 oper_ssid[32];
- size_t oper_ssid_len;
-
- /**
- * req_config_methods - Pending provisioning discovery methods
- */
- u16 req_config_methods;
-
-#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_SD_INFO BIT(3)
-#define P2P_DEV_SD_SCHEDULE BIT(4)
-#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)
- unsigned int flags;
-
- int status; /* enum p2p_status_code */
- unsigned int wait_count;
- unsigned int invitation_reqs;
-
- u16 ext_listen_period;
- u16 ext_listen_interval;
-
- u8 go_timeout;
- u8 client_timeout;
-};
-
-struct p2p_sd_query {
- struct p2p_sd_query *next;
- u8 peer[ETH_ALEN];
- int for_all_peers;
- struct wpabuf *tlvs;
-};
-
-/**
- * struct p2p_data - P2P module data (internal to P2P module)
- */
-struct p2p_data {
- /**
- * cfg - P2P module configuration
- *
- * This is included in the same memory allocation with the
- * struct p2p_data and as such, must not be freed separately.
- */
- struct p2p_config *cfg;
-
- /**
- * state - The current P2P state
- */
- enum p2p_state {
- /**
- * P2P_IDLE - Idle
- */
- P2P_IDLE,
-
- /**
- * P2P_SEARCH - Search (Device Discovery)
- */
- P2P_SEARCH,
-
- /**
- * P2P_CONNECT - Trying to start GO Negotiation
- */
- P2P_CONNECT,
-
- /**
- * P2P_CONNECT_LISTEN - Listen during GO Negotiation start
- */
- P2P_CONNECT_LISTEN,
-
- /**
- * P2P_GO_NEG - In GO Negotiation
- */
- P2P_GO_NEG,
-
- /**
- * P2P_LISTEN_ONLY - Listen only
- */
- P2P_LISTEN_ONLY,
-
- /**
- * P2P_WAIT_PEER_CONNECT - Waiting peer in List for GO Neg
- */
- P2P_WAIT_PEER_CONNECT,
-
- /**
- * P2P_WAIT_PEER_IDLE - Waiting peer idle for GO Neg
- */
- P2P_WAIT_PEER_IDLE,
-
- /**
- * P2P_SD_DURING_FIND - Service Discovery during find
- */
- P2P_SD_DURING_FIND,
-
- /**
- * P2P_PROVISIONING - Provisioning (during group formation)
- */
- P2P_PROVISIONING,
-
- /**
- * P2P_PD_DURING_FIND - Provision Discovery during find
- */
- P2P_PD_DURING_FIND,
-
- /**
- * P2P_INVITE - Trying to start Invite
- */
- P2P_INVITE,
-
- /**
- * P2P_INVITE_LISTEN - Listen during Invite
- */
- P2P_INVITE_LISTEN,
- } state;
-
- /**
- * min_disc_int - minDiscoverableInterval
- */
- int min_disc_int;
-
- /**
- * max_disc_int - maxDiscoverableInterval
- */
- int max_disc_int;
-
- /**
- * devices - List of known P2P Device peers
- */
- struct dl_list devices;
-
- /**
- * go_neg_peer - Pointer to GO Negotiation peer
- */
- struct p2p_device *go_neg_peer;
-
- /**
- * invite_peer - Pointer to Invite peer
- */
- struct p2p_device *invite_peer;
-
- const u8 *invite_go_dev_addr;
- u8 invite_go_dev_addr_buf[ETH_ALEN];
-
- /**
- * sd_peer - Pointer to Service Discovery peer
- */
- struct p2p_device *sd_peer;
-
- /**
- * sd_query - Pointer to Service Discovery query
- */
- struct p2p_sd_query *sd_query;
-
- /* GO Negotiation data */
-
- /**
- * intended_addr - Local Intended P2P Interface Address
- *
- * This address is used during group owner negotiation as the Intended
- * P2P Interface Address and the group interface will be created with
- * address as the local address in case of successfully completed
- * negotiation.
- */
- u8 intended_addr[ETH_ALEN];
-
- /**
- * go_intent - Local GO Intent to be used during GO Negotiation
- */
- u8 go_intent;
-
- /**
- * next_tie_breaker - Next tie-breaker value to use in GO Negotiation
- */
- u8 next_tie_breaker;
-
- /**
- * ssid - Selected SSID for GO Negotiation (if local end will be GO)
- */
- u8 ssid[32];
-
- /**
- * ssid_len - ssid length in octets
- */
- size_t ssid_len;
-
- /**
- * Regulatory class for own operational channel
- */
- u8 op_reg_class;
-
- /**
- * op_channel - Own operational channel
- */
- u8 op_channel;
-
- /**
- * channels - Own supported regulatory classes and channels
- *
- * List of supposerted channels per regulatory class. The regulatory
- * classes are defined in IEEE Std 802.11-2007 Annex J and the
- * numbering of the clases depends on the configured country code.
- */
- struct p2p_channels channels;
-
- 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_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;
-
- /**
- * sd_queries - Pending service discovery queries
- */
- struct p2p_sd_query *sd_queries;
-
- /**
- * srv_update_indic - Service Update Indicator for local services
- */
- 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[32];
- 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;
- 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_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;
-};
-
-/**
- * struct p2p_message - Parsed P2P message (or P2P IE)
- */
-struct p2p_message {
- struct wpabuf *p2p_attributes;
- struct wpabuf *wps_attributes;
-
- 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;
-
- /* 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[33];
- u16 config_methods;
-
- /* WPS IE */
- u16 dev_password_id;
- u16 wps_config_methods;
- const u8 *wps_pri_dev_type;
-
- /* DS Parameter Set IE */
- const u8 *ds_params;
-
- /* SSID IE */
- const u8 *ssid;
-};
-
-
-#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(const char *country, int reg_class, int channel);
-int p2p_freq_to_channel(const char *country, unsigned int freq, u8 *reg_class,
- u8 *channel);
-void p2p_channels_intersect(const struct p2p_channels *a,
- const struct p2p_channels *b,
- struct p2p_channels *res);
-int p2p_channels_includes(const struct p2p_channels *channels, u8 reg_class,
- u8 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);
-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);
-
-
-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_build_wps_ie(struct p2p_data *p2p, struct wpabuf *buf, u16 pw_id,
- int all_attr);
-
-/* 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);
-
-/* 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);
-
-/* 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);
-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);
-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, struct p2p_device *peer,
- 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);
-void p2p_build_ssid(struct p2p_data *p2p, u8 *ssid, size_t *ssid_len);
-
-#endif /* P2P_I_H */
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