p2p_pd.c File Reference

Wi-Fi Direct - P2P provision discovery. More...

#include "includes.h"
#include "common.h"
#include "common/ieee802_11_defs.h"
#include "common/wpa_ctrl.h"
#include "wps/wps_defs.h"
#include "p2p_i.h"
#include "p2p.h"

Macros
#define	MAX_PROV_DISC_REQ_RETRIES   120
#define	P2PS_PD_RESP_CHECK(_val, _attr)

Functions
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)
int	p2p_prov_disc_req (struct p2p_data *p2p, const u8 *peer_addr, struct p2ps_provision *p2ps_prov, u16 config_methods, int join, int force_freq, int user_initiated_pd)
	Send Provision Discovery Request. More...
void	p2p_reset_pending_pd (struct p2p_data *p2p)
void	p2ps_prov_free (struct p2p_data *p2p)

Detailed Description

Wi-Fi Direct - P2P provision discovery.

Macro Definition Documentation

#define P2PS_PD_RESP_CHECK	(		_val,
			_attr
	)

Value:

do { \
                if ((_val) && !msg->_attr) { \
                        p2p_dbg(p2p, "P2PS PD Response missing " #_attr); \
                        return -1; \
                } \
        } while (0)

Function Documentation

int p2p_prov_disc_req	(	struct p2p_data *	p2p,
		const u8 *	peer_addr,
		struct p2ps_provision *	p2ps_prov,
		u16	config_methods,
		int	join,
		int	force_freq,
		int	user_initiated_pd
	)

Send Provision Discovery Request.

Parameters

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 (config_methods = WPS_CONFIG_DISPLAY) or be prepared to enter a PIN from us (config_methods = WPS_CONFIG_KEYPAD). The Provision Discovery Request frame is transmitted once immediately and if no response is received, the frame will be sent again whenever the target device is discovered during device dsicovery (start with a p2p_find() call). Response from the peer is indicated with the p2p_config::prov_disc_resp() callback.