linux/drivers/staging/rtl8712/ieee80211.c

// SPDX-License-Identifier: GPL-2.0
/******************************************************************************
 * ieee80211.c
 *
 * Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
 * Linux device driver for RTL8192SU
 *
 * Modifications for inclusion into the Linux staging tree are
 * Copyright(c) 2010 Larry Finger. All rights reserved.
 *
 * Contact information:
 * WLAN FAE <[email protected]>.
 * Larry Finger <[email protected]>
 *
 ******************************************************************************/

#define _IEEE80211_C

#include "drv_types.h"
#include "ieee80211.h"
#include "wifi.h"
#include "osdep_service.h"
#include "wlan_bssdef.h"

static const u8 WPA_OUI_TYPE[] = …;
static const u8 WPA_CIPHER_SUITE_NONE[] = …;
static const u8 WPA_CIPHER_SUITE_WEP40[] = …;
static const u8 WPA_CIPHER_SUITE_TKIP[] = …;
static const u8 WPA_CIPHER_SUITE_CCMP[] = …;
static const u8 WPA_CIPHER_SUITE_WEP104[] = …;

static const u8 RSN_CIPHER_SUITE_NONE[] = …;
static const u8 RSN_CIPHER_SUITE_WEP40[] = …;
static const u8 RSN_CIPHER_SUITE_TKIP[] = …;
static const u8 RSN_CIPHER_SUITE_CCMP[] = …;
static const u8 RSN_CIPHER_SUITE_WEP104[] = …;

/*-----------------------------------------------------------
 * for adhoc-master to generate ie and provide supported-rate to fw
 *-----------------------------------------------------------
 */

static u8 WIFI_CCKRATES[] = …;

static u8 WIFI_OFDMRATES[] = …;

uint r8712_is_cckrates_included(u8 *rate)
{ … }

uint r8712_is_cckratesonly_included(u8 *rate)
{ … }

/* r8712_set_ie will update frame length */
u8 *r8712_set_ie(u8 *pbuf, sint index, uint len, u8 *source, uint *frlen)
{ … }

/* ---------------------------------------------------------------------------
 * index: the information element id index, limit is the limit for search
 * ---------------------------------------------------------------------------
 */
u8 *r8712_get_ie(u8 *pbuf, sint index, uint *len, sint limit)
{ … }

static void set_supported_rate(u8 *rates, uint mode)
{ … }

static uint r8712_get_rateset_len(u8 *rateset)
{ … }

int r8712_generate_ie(struct registry_priv *registrypriv)
{ … }

unsigned char *r8712_get_wpa_ie(unsigned char *ie, uint *wpa_ie_len, int limit)
{ … }

unsigned char *r8712_get_wpa2_ie(unsigned char *pie, uint *rsn_ie_len,
				 int limit)
{ … }

static int r8712_get_wpa_cipher_suite(u8 *s)
{ … }

static int r8712_get_wpa2_cipher_suite(u8 *s)
{ … }

int r8712_parse_wpa_ie(u8 *wpa_ie, int wpa_ie_len, int *group_cipher,
		       int *pairwise_cipher)
{ … }

int r8712_parse_wpa2_ie(u8 *rsn_ie, int rsn_ie_len, int *group_cipher,
			int *pairwise_cipher)
{ … }

int r8712_get_sec_ie(u8 *in_ie, uint in_len, u8 *rsn_ie, u16 *rsn_len,
		     u8 *wpa_ie, u16 *wpa_len)
{ … }

int r8712_get_wps_ie(u8 *in_ie, uint in_len, u8 *wps_ie, uint *wps_ielen)
{ … }