scan.c File Reference

#include "utils/includes.h"
#include "utils/common.h"
#include "utils/eloop.h"
#include "common/ieee802_11_defs.h"
#include "config.h"
#include "wpa_supplicant_i.h"
#include "driver_i.h"
#include "mlme.h"
#include "wps_supplicant.h"
#include "notify.h"
#include "bss.h"
#include "scan.h"
#include "../../src/nodes/wpa_supplicant_node.h"

Include dependency graph for scan.c:

Go to the source code of this file.

Functions
static int	freq_cmp (const void *a, const void *b)
static void	int_array_concat (int **res, const int *a)
static int	int_array_len (const int *a)
static void	int_array_sort_unique (int *a)
const u8 *	wpa_scan_get_ie (const struct wpa_scan_res *res, u8 ie)
static int	wpa_scan_get_max_rate (const struct wpa_scan_res *res)
const u8 *	wpa_scan_get_vendor_ie (const struct wpa_scan_res *res, u32 vendor_type)
struct wpabuf *	wpa_scan_get_vendor_ie_multi (const struct wpa_scan_res *res, u32 vendor_type)
static int	wpa_scan_result_compar (const void *a, const void *b)
void	wpa_scan_results_free (struct wpa_scan_results *res)
static void	wpa_supplicant_assoc_try (struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid)
static struct wpa_driver_scan_filter *	wpa_supplicant_build_filter_ssids (struct wpa_config *conf, size_t *num_ssids)
void	wpa_supplicant_cancel_scan (struct wpa_supplicant *wpa_s)
int	wpa_supplicant_enabled_networks (struct wpa_config *conf)
static void	wpa_supplicant_gen_assoc_event (struct wpa_supplicant *wpa_s)
struct wpa_scan_results *	wpa_supplicant_get_scan_results (struct wpa_supplicant *wpa_s, struct scan_info *info, int new_scan)
void	wpa_supplicant_notify_scanning (struct wpa_supplicant *wpa_s, int scanning)
void	wpa_supplicant_req_scan (struct wpa_supplicant *wpa_s, int sec, int usec)
static void	wpa_supplicant_scan (void *eloop_ctx, void *timeout_ctx)
int	wpa_supplicant_trigger_scan (struct wpa_supplicant *wpa_s, struct wpa_driver_scan_params *params)
int	wpa_supplicant_update_scan_results (struct wpa_supplicant *wpa_s)

---

Function Documentation

static int freq_cmp	(	const void *	a,
		const void *	b
	)			[static]

Definition at line 146 of file scan.c.

static void int_array_concat	(	int **	res,
		const int *	a
	)			[static]

Definition at line 126 of file scan.c.

static int int_array_len

(

const int *

a

)

[static]

Definition at line 117 of file scan.c.

static void int_array_sort_unique

(

int *

a

)

[static]

Definition at line 159 of file scan.c.

const u8* wpa_scan_get_ie	(	const struct wpa_scan_res *	res,
		u8	ie
	)

Definition at line 522 of file scan.c.

static int wpa_scan_get_max_rate

(

const struct wpa_scan_res *

res

)

[static]

Definition at line 500 of file scan.c.

const u8* wpa_scan_get_vendor_ie	(	const struct wpa_scan_res *	res,
		u32	vendor_type
	)

Definition at line 541 of file scan.c.

struct wpabuf* wpa_scan_get_vendor_ie_multi	(	const struct wpa_scan_res *	res,
		u32	vendor_type
	)			[read]

Definition at line 562 of file scan.c.

static int wpa_scan_result_compar	(	const void *	a,
		const void *	b
	)			[static]

Definition at line 595 of file scan.c.

void wpa_scan_results_free

(

struct wpa_scan_results *

res

)

Definition at line 693 of file scan.c.

static void wpa_supplicant_assoc_try	(	struct wpa_supplicant *	wpa_s,
		struct wpa_ssid *	ssid
	)			[static]

Definition at line 89 of file scan.c.

static struct wpa_driver_scan_filter* wpa_supplicant_build_filter_ssids	(	struct wpa_config *	conf,
		size_t *	num_ssids
	)			[static, read]

Definition at line 209 of file scan.c.

void wpa_supplicant_cancel_scan

(

struct wpa_supplicant *

wpa_s

)

wpa_supplicant_cancel_scan - Cancel a scheduled scan request : Pointer to wpa_supplicant data

This function is used to cancel a scan request scheduled with wpa_supplicant_req_scan().

Definition at line 483 of file scan.c.

int wpa_supplicant_enabled_networks

(

struct wpa_config *

conf

)

Definition at line 77 of file scan.c.

static void wpa_supplicant_gen_assoc_event

(

struct wpa_supplicant *

wpa_s

)

[static]

Definition at line 30 of file scan.c.

struct wpa_scan_results* wpa_supplicant_get_scan_results	(	struct wpa_supplicant *	wpa_s,
		struct scan_info *	info,
		int	new_scan
	)			[read]

wpa_supplicant_get_scan_results - Get scan results : Pointer to wpa_supplicant data : Information about what was scanned or NULL if not available : Whether a new scan was performed Returns: Scan results, NULL on failure

This function request the current scan results from the driver and updates the local BSS list wpa_s->bss. The caller is responsible for freeing the results with wpa_scan_results_free().

Definition at line 654 of file scan.c.

void wpa_supplicant_notify_scanning	(	struct wpa_supplicant *	wpa_s,
		int	scanning
	)

Definition at line 490 of file scan.c.

void wpa_supplicant_req_scan	(	struct wpa_supplicant *	wpa_s,
		int	sec,
		int	usec
	)

wpa_supplicant_req_scan - Schedule a scan for neighboring access points : Pointer to wpa_supplicant data : Number of seconds after which to scan : Number of microseconds after which to scan

This function is used to schedule a scan for neighboring access points after the specified time.

Definition at line 445 of file scan.c.

static void wpa_supplicant_scan	(	void *	eloop_ctx,
		void *	timeout_ctx
	)			[static]

Definition at line 241 of file scan.c.

int wpa_supplicant_trigger_scan	(	struct wpa_supplicant *	wpa_s,
		struct wpa_driver_scan_params *	params
	)

Definition at line 185 of file scan.c.

int wpa_supplicant_update_scan_results

(

struct wpa_supplicant *

wpa_s

)

Definition at line 681 of file scan.c.