1431 lines
37 KiB
C
1431 lines
37 KiB
C
/******************************************************************************
|
|
*
|
|
* Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms of version 2 of the GNU General Public License as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope that it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
|
* more details.
|
|
*
|
|
******************************************************************************/
|
|
#define _IEEE80211_C
|
|
|
|
#include <drv_types.h>
|
|
#include <rtw_debug.h>
|
|
#include <linux/of.h>
|
|
|
|
u8 RTW_WPA_OUI_TYPE[] = { 0x00, 0x50, 0xf2, 1 };
|
|
u16 RTW_WPA_VERSION = 1;
|
|
u8 WPA_AUTH_KEY_MGMT_NONE[] = { 0x00, 0x50, 0xf2, 0 };
|
|
u8 WPA_AUTH_KEY_MGMT_UNSPEC_802_1X[] = { 0x00, 0x50, 0xf2, 1 };
|
|
u8 WPA_AUTH_KEY_MGMT_PSK_OVER_802_1X[] = { 0x00, 0x50, 0xf2, 2 };
|
|
u8 WPA_CIPHER_SUITE_NONE[] = { 0x00, 0x50, 0xf2, 0 };
|
|
u8 WPA_CIPHER_SUITE_WEP40[] = { 0x00, 0x50, 0xf2, 1 };
|
|
u8 WPA_CIPHER_SUITE_TKIP[] = { 0x00, 0x50, 0xf2, 2 };
|
|
u8 WPA_CIPHER_SUITE_WRAP[] = { 0x00, 0x50, 0xf2, 3 };
|
|
u8 WPA_CIPHER_SUITE_CCMP[] = { 0x00, 0x50, 0xf2, 4 };
|
|
u8 WPA_CIPHER_SUITE_WEP104[] = { 0x00, 0x50, 0xf2, 5 };
|
|
|
|
u16 RSN_VERSION_BSD = 1;
|
|
u8 RSN_AUTH_KEY_MGMT_UNSPEC_802_1X[] = { 0x00, 0x0f, 0xac, 1 };
|
|
u8 RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X[] = { 0x00, 0x0f, 0xac, 2 };
|
|
u8 RSN_CIPHER_SUITE_NONE[] = { 0x00, 0x0f, 0xac, 0 };
|
|
u8 RSN_CIPHER_SUITE_WEP40[] = { 0x00, 0x0f, 0xac, 1 };
|
|
u8 RSN_CIPHER_SUITE_TKIP[] = { 0x00, 0x0f, 0xac, 2 };
|
|
u8 RSN_CIPHER_SUITE_WRAP[] = { 0x00, 0x0f, 0xac, 3 };
|
|
u8 RSN_CIPHER_SUITE_CCMP[] = { 0x00, 0x0f, 0xac, 4 };
|
|
u8 RSN_CIPHER_SUITE_WEP104[] = { 0x00, 0x0f, 0xac, 5 };
|
|
/* */
|
|
/* for adhoc-master to generate ie and provide supported-rate to fw */
|
|
/* */
|
|
|
|
static u8 WIFI_CCKRATES[] = {
|
|
(IEEE80211_CCK_RATE_1MB | IEEE80211_BASIC_RATE_MASK),
|
|
(IEEE80211_CCK_RATE_2MB | IEEE80211_BASIC_RATE_MASK),
|
|
(IEEE80211_CCK_RATE_5MB | IEEE80211_BASIC_RATE_MASK),
|
|
(IEEE80211_CCK_RATE_11MB | IEEE80211_BASIC_RATE_MASK)
|
|
};
|
|
|
|
static u8 WIFI_OFDMRATES[] = {
|
|
(IEEE80211_OFDM_RATE_6MB),
|
|
(IEEE80211_OFDM_RATE_9MB),
|
|
(IEEE80211_OFDM_RATE_12MB),
|
|
(IEEE80211_OFDM_RATE_18MB),
|
|
(IEEE80211_OFDM_RATE_24MB),
|
|
IEEE80211_OFDM_RATE_36MB,
|
|
IEEE80211_OFDM_RATE_48MB,
|
|
IEEE80211_OFDM_RATE_54MB
|
|
};
|
|
|
|
|
|
int rtw_get_bit_value_from_ieee_value(u8 val)
|
|
{
|
|
unsigned char dot11_rate_table[] = {2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108, 0}; /* last element must be zero!! */
|
|
|
|
int i = 0;
|
|
while (dot11_rate_table[i] != 0) {
|
|
if (dot11_rate_table[i] == val)
|
|
return BIT(i);
|
|
i++;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
uint rtw_is_cckrates_included(u8 *rate)
|
|
{
|
|
u32 i = 0;
|
|
|
|
while (rate[i] != 0) {
|
|
if ((((rate[i]) & 0x7f) == 2) || (((rate[i]) & 0x7f) == 4) ||
|
|
(((rate[i]) & 0x7f) == 11) || (((rate[i]) & 0x7f) == 22))
|
|
return true;
|
|
i++;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
uint rtw_is_cckratesonly_included(u8 *rate)
|
|
{
|
|
u32 i = 0;
|
|
|
|
|
|
while (rate[i] != 0) {
|
|
if ((((rate[i]) & 0x7f) != 2) && (((rate[i]) & 0x7f) != 4) &&
|
|
(((rate[i]) & 0x7f) != 11) && (((rate[i]) & 0x7f) != 22))
|
|
return false;
|
|
i++;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
int rtw_check_network_type(unsigned char *rate, int ratelen, int channel)
|
|
{
|
|
if (channel > 14) {
|
|
if ((rtw_is_cckrates_included(rate)) == true)
|
|
return WIRELESS_INVALID;
|
|
else
|
|
return WIRELESS_11A;
|
|
} else{ /* could be pure B, pure G, or B/G */
|
|
if ((rtw_is_cckratesonly_included(rate)) == true)
|
|
return WIRELESS_11B;
|
|
else if ((rtw_is_cckrates_included(rate)) == true)
|
|
return WIRELESS_11BG;
|
|
else
|
|
return WIRELESS_11G;
|
|
}
|
|
|
|
}
|
|
|
|
u8 *rtw_set_fixed_ie(unsigned char *pbuf, unsigned int len, unsigned char *source,
|
|
unsigned int *frlen)
|
|
{
|
|
memcpy((void *)pbuf, (void *)source, len);
|
|
*frlen = *frlen + len;
|
|
return (pbuf + len);
|
|
}
|
|
|
|
/* rtw_set_ie will update frame length */
|
|
u8 *rtw_set_ie
|
|
(
|
|
u8 *pbuf,
|
|
sint index,
|
|
uint len,
|
|
u8 *source,
|
|
uint *frlen /* frame length */
|
|
)
|
|
{
|
|
*pbuf = (u8)index;
|
|
|
|
*(pbuf + 1) = (u8)len;
|
|
|
|
if (len > 0)
|
|
memcpy((void *)(pbuf + 2), (void *)source, len);
|
|
|
|
*frlen = *frlen + (len + 2);
|
|
|
|
return (pbuf + len + 2);
|
|
}
|
|
|
|
/*----------------------------------------------------------------------------
|
|
index: the information element id index, limit is the limit for search
|
|
-----------------------------------------------------------------------------*/
|
|
u8 *rtw_get_ie(u8 *pbuf, sint index, sint *len, sint limit)
|
|
{
|
|
sint tmp, i;
|
|
u8 *p;
|
|
|
|
if (limit < 1) {
|
|
return NULL;
|
|
}
|
|
|
|
p = pbuf;
|
|
i = 0;
|
|
*len = 0;
|
|
while (1) {
|
|
if (*p == index) {
|
|
*len = *(p + 1);
|
|
return p;
|
|
} else{
|
|
tmp = *(p + 1);
|
|
p += (tmp + 2);
|
|
i += (tmp + 2);
|
|
}
|
|
if (i >= limit)
|
|
break;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* rtw_get_ie_ex - Search specific IE from a series of IEs
|
|
* @in_ie: Address of IEs to search
|
|
* @in_len: Length limit from in_ie
|
|
* @eid: Element ID to match
|
|
* @oui: OUI to match
|
|
* @oui_len: OUI length
|
|
* @ie: If not NULL and the specific IE is found, the IE will be copied to the buf starting from the specific IE
|
|
* @ielen: If not NULL and the specific IE is found, will set to the length of the entire IE
|
|
*
|
|
* Returns: The address of the specific IE found, or NULL
|
|
*/
|
|
u8 *rtw_get_ie_ex(u8 *in_ie, uint in_len, u8 eid, u8 *oui, u8 oui_len, u8 *ie, uint *ielen)
|
|
{
|
|
uint cnt;
|
|
u8 *target_ie = NULL;
|
|
|
|
|
|
if (ielen)
|
|
*ielen = 0;
|
|
|
|
if (!in_ie || in_len <= 0)
|
|
return target_ie;
|
|
|
|
cnt = 0;
|
|
|
|
while (cnt < in_len) {
|
|
if (eid == in_ie[cnt]
|
|
&& (!oui || !memcmp(&in_ie[cnt+2], oui, oui_len))) {
|
|
target_ie = &in_ie[cnt];
|
|
|
|
if (ie)
|
|
memcpy(ie, &in_ie[cnt], in_ie[cnt+1]+2);
|
|
|
|
if (ielen)
|
|
*ielen = in_ie[cnt+1]+2;
|
|
|
|
break;
|
|
} else{
|
|
cnt += in_ie[cnt+1]+2; /* goto next */
|
|
}
|
|
|
|
}
|
|
|
|
return target_ie;
|
|
}
|
|
|
|
/**
|
|
* rtw_ies_remove_ie - Find matching IEs and remove
|
|
* @ies: Address of IEs to search
|
|
* @ies_len: Pointer of length of ies, will update to new length
|
|
* @offset: The offset to start scarch
|
|
* @eid: Element ID to match
|
|
* @oui: OUI to match
|
|
* @oui_len: OUI length
|
|
*
|
|
* Returns: _SUCCESS: ies is updated, _FAIL: not updated
|
|
*/
|
|
int rtw_ies_remove_ie(u8 *ies, uint *ies_len, uint offset, u8 eid, u8 *oui, u8 oui_len)
|
|
{
|
|
int ret = _FAIL;
|
|
u8 *target_ie;
|
|
u32 target_ielen;
|
|
u8 *start;
|
|
uint search_len;
|
|
|
|
if (!ies || !ies_len || *ies_len <= offset)
|
|
goto exit;
|
|
|
|
start = ies + offset;
|
|
search_len = *ies_len - offset;
|
|
|
|
while (1) {
|
|
target_ie = rtw_get_ie_ex(start, search_len, eid, oui, oui_len, NULL, &target_ielen);
|
|
if (target_ie && target_ielen) {
|
|
u8 buf[MAX_IE_SZ] = {0};
|
|
u8 *remain_ies = target_ie + target_ielen;
|
|
uint remain_len = search_len - (remain_ies - start);
|
|
|
|
memcpy(buf, remain_ies, remain_len);
|
|
memcpy(target_ie, buf, remain_len);
|
|
*ies_len = *ies_len - target_ielen;
|
|
ret = _SUCCESS;
|
|
|
|
start = target_ie;
|
|
search_len = remain_len;
|
|
} else {
|
|
break;
|
|
}
|
|
}
|
|
exit:
|
|
return ret;
|
|
}
|
|
|
|
void rtw_set_supported_rate(u8 *SupportedRates, uint mode)
|
|
{
|
|
memset(SupportedRates, 0, NDIS_802_11_LENGTH_RATES_EX);
|
|
|
|
switch (mode) {
|
|
case WIRELESS_11B:
|
|
memcpy(SupportedRates, WIFI_CCKRATES, IEEE80211_CCK_RATE_LEN);
|
|
break;
|
|
|
|
case WIRELESS_11G:
|
|
case WIRELESS_11A:
|
|
case WIRELESS_11_5N:
|
|
case WIRELESS_11A_5N:/* Todo: no basic rate for ofdm ? */
|
|
case WIRELESS_11_5AC:
|
|
memcpy(SupportedRates, WIFI_OFDMRATES, IEEE80211_NUM_OFDM_RATESLEN);
|
|
break;
|
|
|
|
case WIRELESS_11BG:
|
|
case WIRELESS_11G_24N:
|
|
case WIRELESS_11_24N:
|
|
case WIRELESS_11BG_24N:
|
|
memcpy(SupportedRates, WIFI_CCKRATES, IEEE80211_CCK_RATE_LEN);
|
|
memcpy(SupportedRates + IEEE80211_CCK_RATE_LEN, WIFI_OFDMRATES, IEEE80211_NUM_OFDM_RATESLEN);
|
|
break;
|
|
|
|
}
|
|
}
|
|
|
|
uint rtw_get_rateset_len(u8 *rateset)
|
|
{
|
|
uint i = 0;
|
|
|
|
while (1) {
|
|
if ((rateset[i]) == 0)
|
|
break;
|
|
|
|
if (i > 12)
|
|
break;
|
|
|
|
i++;
|
|
}
|
|
return i;
|
|
}
|
|
|
|
int rtw_generate_ie(struct registry_priv *pregistrypriv)
|
|
{
|
|
u8 wireless_mode;
|
|
int sz = 0, rateLen;
|
|
struct wlan_bssid_ex *pdev_network = &pregistrypriv->dev_network;
|
|
u8 *ie = pdev_network->IEs;
|
|
|
|
/* timestamp will be inserted by hardware */
|
|
sz += 8;
|
|
ie += sz;
|
|
|
|
/* beacon interval : 2bytes */
|
|
*(__le16 *)ie = cpu_to_le16((u16)pdev_network->Configuration.BeaconPeriod);/* BCN_INTERVAL; */
|
|
sz += 2;
|
|
ie += 2;
|
|
|
|
/* capability info */
|
|
*(u16 *)ie = 0;
|
|
|
|
*(__le16 *)ie |= cpu_to_le16(cap_IBSS);
|
|
|
|
if (pregistrypriv->preamble == PREAMBLE_SHORT)
|
|
*(__le16 *)ie |= cpu_to_le16(cap_ShortPremble);
|
|
|
|
if (pdev_network->Privacy)
|
|
*(__le16 *)ie |= cpu_to_le16(cap_Privacy);
|
|
|
|
sz += 2;
|
|
ie += 2;
|
|
|
|
/* SSID */
|
|
ie = rtw_set_ie(ie, _SSID_IE_, pdev_network->Ssid.SsidLength, pdev_network->Ssid.Ssid, &sz);
|
|
|
|
/* supported rates */
|
|
if (pregistrypriv->wireless_mode == WIRELESS_11ABGN) {
|
|
if (pdev_network->Configuration.DSConfig > 14)
|
|
wireless_mode = WIRELESS_11A_5N;
|
|
else
|
|
wireless_mode = WIRELESS_11BG_24N;
|
|
} else{
|
|
wireless_mode = pregistrypriv->wireless_mode;
|
|
}
|
|
|
|
rtw_set_supported_rate(pdev_network->SupportedRates, wireless_mode);
|
|
|
|
rateLen = rtw_get_rateset_len(pdev_network->SupportedRates);
|
|
|
|
if (rateLen > 8) {
|
|
ie = rtw_set_ie(ie, _SUPPORTEDRATES_IE_, 8, pdev_network->SupportedRates, &sz);
|
|
/* ie = rtw_set_ie(ie, _EXT_SUPPORTEDRATES_IE_, (rateLen - 8), (pdev_network->SupportedRates + 8), &sz); */
|
|
} else{
|
|
ie = rtw_set_ie(ie, _SUPPORTEDRATES_IE_, rateLen, pdev_network->SupportedRates, &sz);
|
|
}
|
|
|
|
/* DS parameter set */
|
|
ie = rtw_set_ie(ie, _DSSET_IE_, 1, (u8 *)&(pdev_network->Configuration.DSConfig), &sz);
|
|
|
|
|
|
/* IBSS Parameter Set */
|
|
|
|
ie = rtw_set_ie(ie, _IBSS_PARA_IE_, 2, (u8 *)&(pdev_network->Configuration.ATIMWindow), &sz);
|
|
|
|
if (rateLen > 8) {
|
|
ie = rtw_set_ie(ie, _EXT_SUPPORTEDRATES_IE_, (rateLen - 8), (pdev_network->SupportedRates + 8), &sz);
|
|
}
|
|
|
|
/* HT Cap. */
|
|
if (((pregistrypriv->wireless_mode&WIRELESS_11_5N) || (pregistrypriv->wireless_mode&WIRELESS_11_24N))
|
|
&& (pregistrypriv->ht_enable == true)) {
|
|
/* todo: */
|
|
}
|
|
|
|
/* pdev_network->IELength = sz; update IELength */
|
|
|
|
/* return _SUCCESS; */
|
|
|
|
return sz;
|
|
}
|
|
|
|
unsigned char *rtw_get_wpa_ie(unsigned char *pie, int *wpa_ie_len, int limit)
|
|
{
|
|
int len;
|
|
u16 val16;
|
|
unsigned char wpa_oui_type[] = {0x00, 0x50, 0xf2, 0x01};
|
|
u8 *pbuf = pie;
|
|
int limit_new = limit;
|
|
__le16 le_tmp;
|
|
|
|
while (1) {
|
|
pbuf = rtw_get_ie(pbuf, _WPA_IE_ID_, &len, limit_new);
|
|
|
|
if (pbuf) {
|
|
|
|
/* check if oui matches... */
|
|
if (memcmp((pbuf + 2), wpa_oui_type, sizeof(wpa_oui_type))) {
|
|
|
|
goto check_next_ie;
|
|
}
|
|
|
|
/* check version... */
|
|
memcpy((u8 *)&le_tmp, (pbuf + 6), sizeof(val16));
|
|
|
|
val16 = le16_to_cpu(le_tmp);
|
|
if (val16 != 0x0001)
|
|
goto check_next_ie;
|
|
|
|
*wpa_ie_len = *(pbuf + 1);
|
|
|
|
return pbuf;
|
|
|
|
} else{
|
|
|
|
*wpa_ie_len = 0;
|
|
return NULL;
|
|
}
|
|
|
|
check_next_ie:
|
|
|
|
limit_new = limit - (pbuf - pie) - 2 - len;
|
|
|
|
if (limit_new <= 0)
|
|
break;
|
|
|
|
pbuf += (2 + len);
|
|
|
|
}
|
|
|
|
*wpa_ie_len = 0;
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
unsigned char *rtw_get_wpa2_ie(unsigned char *pie, int *rsn_ie_len, int limit)
|
|
{
|
|
|
|
return rtw_get_ie(pie, _WPA2_IE_ID_, rsn_ie_len, limit);
|
|
|
|
}
|
|
|
|
int rtw_get_wpa_cipher_suite(u8 *s)
|
|
{
|
|
if (!memcmp(s, WPA_CIPHER_SUITE_NONE, WPA_SELECTOR_LEN))
|
|
return WPA_CIPHER_NONE;
|
|
if (!memcmp(s, WPA_CIPHER_SUITE_WEP40, WPA_SELECTOR_LEN))
|
|
return WPA_CIPHER_WEP40;
|
|
if (!memcmp(s, WPA_CIPHER_SUITE_TKIP, WPA_SELECTOR_LEN))
|
|
return WPA_CIPHER_TKIP;
|
|
if (!memcmp(s, WPA_CIPHER_SUITE_CCMP, WPA_SELECTOR_LEN))
|
|
return WPA_CIPHER_CCMP;
|
|
if (!memcmp(s, WPA_CIPHER_SUITE_WEP104, WPA_SELECTOR_LEN))
|
|
return WPA_CIPHER_WEP104;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int rtw_get_wpa2_cipher_suite(u8 *s)
|
|
{
|
|
if (!memcmp(s, RSN_CIPHER_SUITE_NONE, RSN_SELECTOR_LEN))
|
|
return WPA_CIPHER_NONE;
|
|
if (!memcmp(s, RSN_CIPHER_SUITE_WEP40, RSN_SELECTOR_LEN))
|
|
return WPA_CIPHER_WEP40;
|
|
if (!memcmp(s, RSN_CIPHER_SUITE_TKIP, RSN_SELECTOR_LEN))
|
|
return WPA_CIPHER_TKIP;
|
|
if (!memcmp(s, RSN_CIPHER_SUITE_CCMP, RSN_SELECTOR_LEN))
|
|
return WPA_CIPHER_CCMP;
|
|
if (!memcmp(s, RSN_CIPHER_SUITE_WEP104, RSN_SELECTOR_LEN))
|
|
return WPA_CIPHER_WEP104;
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
int rtw_parse_wpa_ie(u8 *wpa_ie, int wpa_ie_len, int *group_cipher, int *pairwise_cipher, int *is_8021x)
|
|
{
|
|
int i, ret = _SUCCESS;
|
|
int left, count;
|
|
u8 *pos;
|
|
u8 SUITE_1X[4] = {0x00, 0x50, 0xf2, 1};
|
|
|
|
if (wpa_ie_len <= 0) {
|
|
/* No WPA IE - fail silently */
|
|
return _FAIL;
|
|
}
|
|
|
|
|
|
if ((*wpa_ie != _WPA_IE_ID_) || (*(wpa_ie+1) != (u8)(wpa_ie_len - 2)) ||
|
|
(memcmp(wpa_ie+2, RTW_WPA_OUI_TYPE, WPA_SELECTOR_LEN))) {
|
|
return _FAIL;
|
|
}
|
|
|
|
pos = wpa_ie;
|
|
|
|
pos += 8;
|
|
left = wpa_ie_len - 8;
|
|
|
|
|
|
/* group_cipher */
|
|
if (left >= WPA_SELECTOR_LEN) {
|
|
|
|
*group_cipher = rtw_get_wpa_cipher_suite(pos);
|
|
|
|
pos += WPA_SELECTOR_LEN;
|
|
left -= WPA_SELECTOR_LEN;
|
|
|
|
} else if (left > 0) {
|
|
RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("%s: ie length mismatch, %u too much", __func__, left));
|
|
|
|
return _FAIL;
|
|
}
|
|
|
|
|
|
/* pairwise_cipher */
|
|
if (left >= 2) {
|
|
/* count = le16_to_cpu(*(u16*)pos); */
|
|
count = RTW_GET_LE16(pos);
|
|
pos += 2;
|
|
left -= 2;
|
|
|
|
if (count == 0 || left < count * WPA_SELECTOR_LEN) {
|
|
RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("%s: ie count botch (pairwise), "
|
|
"count %u left %u", __func__, count, left));
|
|
return _FAIL;
|
|
}
|
|
|
|
for (i = 0; i < count; i++) {
|
|
*pairwise_cipher |= rtw_get_wpa_cipher_suite(pos);
|
|
|
|
pos += WPA_SELECTOR_LEN;
|
|
left -= WPA_SELECTOR_LEN;
|
|
}
|
|
|
|
} else if (left == 1) {
|
|
RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("%s: ie too short (for key mgmt)", __func__));
|
|
return _FAIL;
|
|
}
|
|
|
|
if (is_8021x) {
|
|
if (left >= 6) {
|
|
pos += 2;
|
|
if (!memcmp(pos, SUITE_1X, 4)) {
|
|
RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("%s : there has 802.1x auth\n", __func__));
|
|
*is_8021x = 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
int rtw_parse_wpa2_ie(u8 *rsn_ie, int rsn_ie_len, int *group_cipher, int *pairwise_cipher, int *is_8021x)
|
|
{
|
|
int i, ret = _SUCCESS;
|
|
int left, count;
|
|
u8 *pos;
|
|
u8 SUITE_1X[4] = {0x00, 0x0f, 0xac, 0x01};
|
|
|
|
if (rsn_ie_len <= 0) {
|
|
/* No RSN IE - fail silently */
|
|
return _FAIL;
|
|
}
|
|
|
|
|
|
if ((*rsn_ie != _WPA2_IE_ID_) || (*(rsn_ie+1) != (u8)(rsn_ie_len - 2))) {
|
|
return _FAIL;
|
|
}
|
|
|
|
pos = rsn_ie;
|
|
pos += 4;
|
|
left = rsn_ie_len - 4;
|
|
|
|
/* group_cipher */
|
|
if (left >= RSN_SELECTOR_LEN) {
|
|
|
|
*group_cipher = rtw_get_wpa2_cipher_suite(pos);
|
|
|
|
pos += RSN_SELECTOR_LEN;
|
|
left -= RSN_SELECTOR_LEN;
|
|
|
|
} else if (left > 0) {
|
|
RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("%s: ie length mismatch, %u too much", __func__, left));
|
|
return _FAIL;
|
|
}
|
|
|
|
/* pairwise_cipher */
|
|
if (left >= 2) {
|
|
/* count = le16_to_cpu(*(u16*)pos); */
|
|
count = RTW_GET_LE16(pos);
|
|
pos += 2;
|
|
left -= 2;
|
|
|
|
if (count == 0 || left < count * RSN_SELECTOR_LEN) {
|
|
RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("%s: ie count botch (pairwise), "
|
|
"count %u left %u", __func__, count, left));
|
|
return _FAIL;
|
|
}
|
|
|
|
for (i = 0; i < count; i++) {
|
|
*pairwise_cipher |= rtw_get_wpa2_cipher_suite(pos);
|
|
|
|
pos += RSN_SELECTOR_LEN;
|
|
left -= RSN_SELECTOR_LEN;
|
|
}
|
|
|
|
} else if (left == 1) {
|
|
RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("%s: ie too short (for key mgmt)", __func__));
|
|
|
|
return _FAIL;
|
|
}
|
|
|
|
if (is_8021x) {
|
|
if (left >= 6) {
|
|
pos += 2;
|
|
if (!memcmp(pos, SUITE_1X, 4)) {
|
|
RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("%s (): there has 802.1x auth\n", __func__));
|
|
*is_8021x = 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
/* ifdef CONFIG_WAPI_SUPPORT */
|
|
int rtw_get_wapi_ie(u8 *in_ie, uint in_len, u8 *wapi_ie, u16 *wapi_len)
|
|
{
|
|
int len = 0;
|
|
u8 authmode, i;
|
|
uint cnt;
|
|
u8 wapi_oui1[4] = {0x0, 0x14, 0x72, 0x01};
|
|
u8 wapi_oui2[4] = {0x0, 0x14, 0x72, 0x02};
|
|
|
|
if (wapi_len)
|
|
*wapi_len = 0;
|
|
|
|
if (!in_ie || in_len <= 0)
|
|
return len;
|
|
|
|
cnt = (_TIMESTAMP_ + _BEACON_ITERVAL_ + _CAPABILITY_);
|
|
|
|
while (cnt < in_len) {
|
|
authmode = in_ie[cnt];
|
|
|
|
/* if (authmode == _WAPI_IE_) */
|
|
if (authmode == _WAPI_IE_ && (!memcmp(&in_ie[cnt+6], wapi_oui1, 4) ||
|
|
!memcmp(&in_ie[cnt+6], wapi_oui2, 4))) {
|
|
if (wapi_ie) {
|
|
memcpy(wapi_ie, &in_ie[cnt], in_ie[cnt+1]+2);
|
|
|
|
for (i = 0; i < (in_ie[cnt+1]+2); i = i+8) {
|
|
RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("\n %2x,%2x,%2x,%2x,%2x,%2x,%2x,%2x\n",
|
|
wapi_ie[i], wapi_ie[i+1], wapi_ie[i+2], wapi_ie[i+3], wapi_ie[i+4],
|
|
wapi_ie[i+5], wapi_ie[i+6], wapi_ie[i+7]));
|
|
}
|
|
}
|
|
|
|
if (wapi_len)
|
|
*wapi_len = in_ie[cnt+1]+2;
|
|
|
|
cnt += in_ie[cnt+1]+2; /* get next */
|
|
} else{
|
|
cnt += in_ie[cnt+1]+2; /* get next */
|
|
}
|
|
}
|
|
|
|
if (wapi_len)
|
|
len = *wapi_len;
|
|
|
|
return len;
|
|
}
|
|
/* endif */
|
|
|
|
int rtw_get_sec_ie(u8 *in_ie, uint in_len, u8 *rsn_ie, u16 *rsn_len, u8 *wpa_ie, u16 *wpa_len)
|
|
{
|
|
u8 authmode, sec_idx, i;
|
|
u8 wpa_oui[4] = {0x0, 0x50, 0xf2, 0x01};
|
|
uint cnt;
|
|
|
|
/* Search required WPA or WPA2 IE and copy to sec_ie[ ] */
|
|
|
|
cnt = (_TIMESTAMP_ + _BEACON_ITERVAL_ + _CAPABILITY_);
|
|
|
|
sec_idx = 0;
|
|
|
|
while (cnt < in_len) {
|
|
authmode = in_ie[cnt];
|
|
|
|
if ((authmode == _WPA_IE_ID_) && (!memcmp(&in_ie[cnt+2], &wpa_oui[0], 4))) {
|
|
RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("\n rtw_get_wpa_ie: sec_idx =%d in_ie[cnt+1]+2 =%d\n", sec_idx, in_ie[cnt+1]+2));
|
|
|
|
if (wpa_ie) {
|
|
memcpy(wpa_ie, &in_ie[cnt], in_ie[cnt+1]+2);
|
|
|
|
for (i = 0; i < (in_ie[cnt+1]+2); i = i+8) {
|
|
RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("\n %2x,%2x,%2x,%2x,%2x,%2x,%2x,%2x\n",
|
|
wpa_ie[i], wpa_ie[i+1], wpa_ie[i+2], wpa_ie[i+3], wpa_ie[i+4],
|
|
wpa_ie[i+5], wpa_ie[i+6], wpa_ie[i+7]));
|
|
}
|
|
}
|
|
|
|
*wpa_len = in_ie[cnt+1]+2;
|
|
cnt += in_ie[cnt+1]+2; /* get next */
|
|
} else{
|
|
if (authmode == _WPA2_IE_ID_) {
|
|
RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("\n get_rsn_ie: sec_idx =%d in_ie[cnt+1]+2 =%d\n", sec_idx, in_ie[cnt+1]+2));
|
|
|
|
if (rsn_ie) {
|
|
memcpy(rsn_ie, &in_ie[cnt], in_ie[cnt+1]+2);
|
|
|
|
for (i = 0; i < (in_ie[cnt+1]+2); i = i+8) {
|
|
RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("\n %2x,%2x,%2x,%2x,%2x,%2x,%2x,%2x\n",
|
|
rsn_ie[i], rsn_ie[i+1], rsn_ie[i+2], rsn_ie[i+3], rsn_ie[i+4],
|
|
rsn_ie[i+5], rsn_ie[i+6], rsn_ie[i+7]));
|
|
}
|
|
}
|
|
|
|
*rsn_len = in_ie[cnt+1]+2;
|
|
cnt += in_ie[cnt+1]+2; /* get next */
|
|
} else{
|
|
cnt += in_ie[cnt+1]+2; /* get next */
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
return (*rsn_len + *wpa_len);
|
|
}
|
|
|
|
u8 rtw_is_wps_ie(u8 *ie_ptr, uint *wps_ielen)
|
|
{
|
|
u8 match = false;
|
|
u8 eid, wps_oui[4] = {0x0, 0x50, 0xf2, 0x04};
|
|
|
|
if (ie_ptr == NULL)
|
|
return match;
|
|
|
|
eid = ie_ptr[0];
|
|
|
|
if ((eid == _WPA_IE_ID_) && (!memcmp(&ie_ptr[2], wps_oui, 4))) {
|
|
/* DBG_8192C("==> found WPS_IE.....\n"); */
|
|
*wps_ielen = ie_ptr[1]+2;
|
|
match = true;
|
|
}
|
|
return match;
|
|
}
|
|
|
|
/**
|
|
* rtw_get_wps_ie - Search WPS IE from a series of IEs
|
|
* @in_ie: Address of IEs to search
|
|
* @in_len: Length limit from in_ie
|
|
* @wps_ie: If not NULL and WPS IE is found, WPS IE will be copied to the buf starting from wps_ie
|
|
* @wps_ielen: If not NULL and WPS IE is found, will set to the length of the entire WPS IE
|
|
*
|
|
* Returns: The address of the WPS IE found, or NULL
|
|
*/
|
|
u8 *rtw_get_wps_ie(u8 *in_ie, uint in_len, u8 *wps_ie, uint *wps_ielen)
|
|
{
|
|
uint cnt;
|
|
u8 *wpsie_ptr = NULL;
|
|
u8 eid, wps_oui[4] = {0x0, 0x50, 0xf2, 0x04};
|
|
|
|
if (wps_ielen)
|
|
*wps_ielen = 0;
|
|
|
|
if (!in_ie || in_len <= 0)
|
|
return wpsie_ptr;
|
|
|
|
cnt = 0;
|
|
|
|
while (cnt < in_len) {
|
|
eid = in_ie[cnt];
|
|
|
|
if ((eid == _WPA_IE_ID_) && (!memcmp(&in_ie[cnt+2], wps_oui, 4))) {
|
|
wpsie_ptr = &in_ie[cnt];
|
|
|
|
if (wps_ie)
|
|
memcpy(wps_ie, &in_ie[cnt], in_ie[cnt+1]+2);
|
|
|
|
if (wps_ielen)
|
|
*wps_ielen = in_ie[cnt+1]+2;
|
|
|
|
cnt += in_ie[cnt+1]+2;
|
|
|
|
break;
|
|
} else{
|
|
cnt += in_ie[cnt+1]+2; /* goto next */
|
|
}
|
|
|
|
}
|
|
|
|
return wpsie_ptr;
|
|
}
|
|
|
|
/**
|
|
* rtw_get_wps_attr - Search a specific WPS attribute from a given WPS IE
|
|
* @wps_ie: Address of WPS IE to search
|
|
* @wps_ielen: Length limit from wps_ie
|
|
* @target_attr_id: The attribute ID of WPS attribute to search
|
|
* @buf_attr: If not NULL and the WPS attribute is found, WPS attribute will be copied to the buf starting from buf_attr
|
|
* @len_attr: If not NULL and the WPS attribute is found, will set to the length of the entire WPS attribute
|
|
*
|
|
* Returns: the address of the specific WPS attribute found, or NULL
|
|
*/
|
|
u8 *rtw_get_wps_attr(u8 *wps_ie, uint wps_ielen, u16 target_attr_id, u8 *buf_attr, u32 *len_attr)
|
|
{
|
|
u8 *attr_ptr = NULL;
|
|
u8 *target_attr_ptr = NULL;
|
|
u8 wps_oui[4] = {0x00, 0x50, 0xF2, 0x04};
|
|
|
|
if (len_attr)
|
|
*len_attr = 0;
|
|
|
|
if ((wps_ie[0] != _VENDOR_SPECIFIC_IE_) ||
|
|
(memcmp(wps_ie + 2, wps_oui, 4))) {
|
|
return attr_ptr;
|
|
}
|
|
|
|
/* 6 = 1(Element ID) + 1(Length) + 4(WPS OUI) */
|
|
attr_ptr = wps_ie + 6; /* goto first attr */
|
|
|
|
while (attr_ptr - wps_ie < wps_ielen) {
|
|
/* 4 = 2(Attribute ID) + 2(Length) */
|
|
u16 attr_id = RTW_GET_BE16(attr_ptr);
|
|
u16 attr_data_len = RTW_GET_BE16(attr_ptr + 2);
|
|
u16 attr_len = attr_data_len + 4;
|
|
|
|
/* DBG_871X("%s attr_ptr:%p, id:%u, length:%u\n", __func__, attr_ptr, attr_id, attr_data_len); */
|
|
if (attr_id == target_attr_id) {
|
|
target_attr_ptr = attr_ptr;
|
|
|
|
if (buf_attr)
|
|
memcpy(buf_attr, attr_ptr, attr_len);
|
|
|
|
if (len_attr)
|
|
*len_attr = attr_len;
|
|
|
|
break;
|
|
} else{
|
|
attr_ptr += attr_len; /* goto next */
|
|
}
|
|
|
|
}
|
|
|
|
return target_attr_ptr;
|
|
}
|
|
|
|
/**
|
|
* rtw_get_wps_attr_content - Search a specific WPS attribute content from a given WPS IE
|
|
* @wps_ie: Address of WPS IE to search
|
|
* @wps_ielen: Length limit from wps_ie
|
|
* @target_attr_id: The attribute ID of WPS attribute to search
|
|
* @buf_content: If not NULL and the WPS attribute is found, WPS attribute content will be copied to the buf starting from buf_content
|
|
* @len_content: If not NULL and the WPS attribute is found, will set to the length of the WPS attribute content
|
|
*
|
|
* Returns: the address of the specific WPS attribute content found, or NULL
|
|
*/
|
|
u8 *rtw_get_wps_attr_content(u8 *wps_ie, uint wps_ielen, u16 target_attr_id, u8 *buf_content, uint *len_content)
|
|
{
|
|
u8 *attr_ptr;
|
|
u32 attr_len;
|
|
|
|
if (len_content)
|
|
*len_content = 0;
|
|
|
|
attr_ptr = rtw_get_wps_attr(wps_ie, wps_ielen, target_attr_id, NULL, &attr_len);
|
|
|
|
if (attr_ptr && attr_len) {
|
|
if (buf_content)
|
|
memcpy(buf_content, attr_ptr+4, attr_len-4);
|
|
|
|
if (len_content)
|
|
*len_content = attr_len-4;
|
|
|
|
return attr_ptr+4;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static int rtw_ieee802_11_parse_vendor_specific(u8 *pos, uint elen,
|
|
struct rtw_ieee802_11_elems *elems,
|
|
int show_errors)
|
|
{
|
|
unsigned int oui;
|
|
|
|
/* first 3 bytes in vendor specific information element are the IEEE
|
|
* OUI of the vendor. The following byte is used a vendor specific
|
|
* sub-type. */
|
|
if (elen < 4) {
|
|
if (show_errors) {
|
|
DBG_871X("short vendor specific "
|
|
"information element ignored (len =%lu)\n",
|
|
(unsigned long) elen);
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
oui = RTW_GET_BE24(pos);
|
|
switch (oui) {
|
|
case OUI_MICROSOFT:
|
|
/* Microsoft/Wi-Fi information elements are further typed and
|
|
* subtyped */
|
|
switch (pos[3]) {
|
|
case 1:
|
|
/* Microsoft OUI (00:50:F2) with OUI Type 1:
|
|
* real WPA information element */
|
|
elems->wpa_ie = pos;
|
|
elems->wpa_ie_len = elen;
|
|
break;
|
|
case WME_OUI_TYPE: /* this is a Wi-Fi WME info. element */
|
|
if (elen < 5) {
|
|
DBG_871X("short WME "
|
|
"information element ignored "
|
|
"(len =%lu)\n",
|
|
(unsigned long) elen);
|
|
return -1;
|
|
}
|
|
switch (pos[4]) {
|
|
case WME_OUI_SUBTYPE_INFORMATION_ELEMENT:
|
|
case WME_OUI_SUBTYPE_PARAMETER_ELEMENT:
|
|
elems->wme = pos;
|
|
elems->wme_len = elen;
|
|
break;
|
|
case WME_OUI_SUBTYPE_TSPEC_ELEMENT:
|
|
elems->wme_tspec = pos;
|
|
elems->wme_tspec_len = elen;
|
|
break;
|
|
default:
|
|
DBG_871X("unknown WME "
|
|
"information element ignored "
|
|
"(subtype =%d len =%lu)\n",
|
|
pos[4], (unsigned long) elen);
|
|
return -1;
|
|
}
|
|
break;
|
|
case 4:
|
|
/* Wi-Fi Protected Setup (WPS) IE */
|
|
elems->wps_ie = pos;
|
|
elems->wps_ie_len = elen;
|
|
break;
|
|
default:
|
|
DBG_871X("Unknown Microsoft "
|
|
"information element ignored "
|
|
"(type =%d len =%lu)\n",
|
|
pos[3], (unsigned long) elen);
|
|
return -1;
|
|
}
|
|
break;
|
|
|
|
case OUI_BROADCOM:
|
|
switch (pos[3]) {
|
|
case VENDOR_HT_CAPAB_OUI_TYPE:
|
|
elems->vendor_ht_cap = pos;
|
|
elems->vendor_ht_cap_len = elen;
|
|
break;
|
|
default:
|
|
DBG_871X("Unknown Broadcom "
|
|
"information element ignored "
|
|
"(type =%d len =%lu)\n",
|
|
pos[3], (unsigned long) elen);
|
|
return -1;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
DBG_871X("unknown vendor specific information "
|
|
"element ignored (vendor OUI %02x:%02x:%02x "
|
|
"len =%lu)\n",
|
|
pos[0], pos[1], pos[2], (unsigned long) elen);
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
/**
|
|
* ieee802_11_parse_elems - Parse information elements in management frames
|
|
* @start: Pointer to the start of IEs
|
|
* @len: Length of IE buffer in octets
|
|
* @elems: Data structure for parsed elements
|
|
* @show_errors: Whether to show parsing errors in debug log
|
|
* Returns: Parsing result
|
|
*/
|
|
ParseRes rtw_ieee802_11_parse_elems(u8 *start, uint len,
|
|
struct rtw_ieee802_11_elems *elems,
|
|
int show_errors)
|
|
{
|
|
uint left = len;
|
|
u8 *pos = start;
|
|
int unknown = 0;
|
|
|
|
memset(elems, 0, sizeof(*elems));
|
|
|
|
while (left >= 2) {
|
|
u8 id, elen;
|
|
|
|
id = *pos++;
|
|
elen = *pos++;
|
|
left -= 2;
|
|
|
|
if (elen > left) {
|
|
if (show_errors) {
|
|
DBG_871X("IEEE 802.11 element "
|
|
"parse failed (id =%d elen =%d "
|
|
"left =%lu)\n",
|
|
id, elen, (unsigned long) left);
|
|
}
|
|
return ParseFailed;
|
|
}
|
|
|
|
switch (id) {
|
|
case WLAN_EID_SSID:
|
|
elems->ssid = pos;
|
|
elems->ssid_len = elen;
|
|
break;
|
|
case WLAN_EID_SUPP_RATES:
|
|
elems->supp_rates = pos;
|
|
elems->supp_rates_len = elen;
|
|
break;
|
|
case WLAN_EID_FH_PARAMS:
|
|
elems->fh_params = pos;
|
|
elems->fh_params_len = elen;
|
|
break;
|
|
case WLAN_EID_DS_PARAMS:
|
|
elems->ds_params = pos;
|
|
elems->ds_params_len = elen;
|
|
break;
|
|
case WLAN_EID_CF_PARAMS:
|
|
elems->cf_params = pos;
|
|
elems->cf_params_len = elen;
|
|
break;
|
|
case WLAN_EID_TIM:
|
|
elems->tim = pos;
|
|
elems->tim_len = elen;
|
|
break;
|
|
case WLAN_EID_IBSS_PARAMS:
|
|
elems->ibss_params = pos;
|
|
elems->ibss_params_len = elen;
|
|
break;
|
|
case WLAN_EID_CHALLENGE:
|
|
elems->challenge = pos;
|
|
elems->challenge_len = elen;
|
|
break;
|
|
case WLAN_EID_ERP_INFO:
|
|
elems->erp_info = pos;
|
|
elems->erp_info_len = elen;
|
|
break;
|
|
case WLAN_EID_EXT_SUPP_RATES:
|
|
elems->ext_supp_rates = pos;
|
|
elems->ext_supp_rates_len = elen;
|
|
break;
|
|
case WLAN_EID_VENDOR_SPECIFIC:
|
|
if (rtw_ieee802_11_parse_vendor_specific(pos, elen,
|
|
elems,
|
|
show_errors))
|
|
unknown++;
|
|
break;
|
|
case WLAN_EID_RSN:
|
|
elems->rsn_ie = pos;
|
|
elems->rsn_ie_len = elen;
|
|
break;
|
|
case WLAN_EID_PWR_CAPABILITY:
|
|
elems->power_cap = pos;
|
|
elems->power_cap_len = elen;
|
|
break;
|
|
case WLAN_EID_SUPPORTED_CHANNELS:
|
|
elems->supp_channels = pos;
|
|
elems->supp_channels_len = elen;
|
|
break;
|
|
case WLAN_EID_MOBILITY_DOMAIN:
|
|
elems->mdie = pos;
|
|
elems->mdie_len = elen;
|
|
break;
|
|
case WLAN_EID_FAST_BSS_TRANSITION:
|
|
elems->ftie = pos;
|
|
elems->ftie_len = elen;
|
|
break;
|
|
case WLAN_EID_TIMEOUT_INTERVAL:
|
|
elems->timeout_int = pos;
|
|
elems->timeout_int_len = elen;
|
|
break;
|
|
case WLAN_EID_HT_CAP:
|
|
elems->ht_capabilities = pos;
|
|
elems->ht_capabilities_len = elen;
|
|
break;
|
|
case WLAN_EID_HT_OPERATION:
|
|
elems->ht_operation = pos;
|
|
elems->ht_operation_len = elen;
|
|
break;
|
|
case WLAN_EID_VHT_CAPABILITY:
|
|
elems->vht_capabilities = pos;
|
|
elems->vht_capabilities_len = elen;
|
|
break;
|
|
case WLAN_EID_VHT_OPERATION:
|
|
elems->vht_operation = pos;
|
|
elems->vht_operation_len = elen;
|
|
break;
|
|
case WLAN_EID_VHT_OP_MODE_NOTIFY:
|
|
elems->vht_op_mode_notify = pos;
|
|
elems->vht_op_mode_notify_len = elen;
|
|
break;
|
|
default:
|
|
unknown++;
|
|
if (!show_errors)
|
|
break;
|
|
DBG_871X("IEEE 802.11 element parse "
|
|
"ignored unknown element (id =%d elen =%d)\n",
|
|
id, elen);
|
|
break;
|
|
}
|
|
|
|
left -= elen;
|
|
pos += elen;
|
|
}
|
|
|
|
if (left)
|
|
return ParseFailed;
|
|
|
|
return unknown ? ParseUnknown : ParseOK;
|
|
|
|
}
|
|
|
|
static u8 key_char2num(u8 ch);
|
|
static u8 key_char2num(u8 ch)
|
|
{
|
|
if ((ch >= '0') && (ch <= '9'))
|
|
return ch - '0';
|
|
else if ((ch >= 'a') && (ch <= 'f'))
|
|
return ch - 'a' + 10;
|
|
else if ((ch >= 'A') && (ch <= 'F'))
|
|
return ch - 'A' + 10;
|
|
else
|
|
return 0xff;
|
|
}
|
|
|
|
u8 key_2char2num(u8 hch, u8 lch);
|
|
u8 key_2char2num(u8 hch, u8 lch)
|
|
{
|
|
return ((key_char2num(hch) << 4) | key_char2num(lch));
|
|
}
|
|
|
|
void rtw_macaddr_cfg(struct device *dev, u8 *mac_addr)
|
|
{
|
|
u8 mac[ETH_ALEN];
|
|
struct device_node *np = dev->of_node;
|
|
const unsigned char *addr;
|
|
int len;
|
|
|
|
if (mac_addr == NULL)
|
|
return;
|
|
|
|
if (rtw_initmac) { /* Users specify the mac address */
|
|
int jj, kk;
|
|
|
|
for (jj = 0, kk = 0; jj < ETH_ALEN; jj++, kk += 3) {
|
|
mac[jj] = key_2char2num(rtw_initmac[kk], rtw_initmac[kk + 1]);
|
|
}
|
|
memcpy(mac_addr, mac, ETH_ALEN);
|
|
} else{ /* Use the mac address stored in the Efuse */
|
|
memcpy(mac, mac_addr, ETH_ALEN);
|
|
}
|
|
|
|
if (((mac[0] == 0xff) && (mac[1] == 0xff) && (mac[2] == 0xff) &&
|
|
(mac[3] == 0xff) && (mac[4] == 0xff) && (mac[5] == 0xff)) ||
|
|
((mac[0] == 0x00) && (mac[1] == 0x00) && (mac[2] == 0x00) &&
|
|
(mac[3] == 0x00) && (mac[4] == 0x00) && (mac[5] == 0x00))) {
|
|
if (np &&
|
|
(addr = of_get_property(np, "local-mac-address", &len)) &&
|
|
len == ETH_ALEN) {
|
|
memcpy(mac_addr, addr, ETH_ALEN);
|
|
} else {
|
|
mac[0] = 0x00;
|
|
mac[1] = 0xe0;
|
|
mac[2] = 0x4c;
|
|
mac[3] = 0x87;
|
|
mac[4] = 0x00;
|
|
mac[5] = 0x00;
|
|
/* use default mac addresss */
|
|
memcpy(mac_addr, mac, ETH_ALEN);
|
|
DBG_871X("MAC Address from efuse error, assign default one !!!\n");
|
|
}
|
|
}
|
|
|
|
DBG_871X("rtw_macaddr_cfg MAC Address = "MAC_FMT"\n", MAC_ARG(mac_addr));
|
|
}
|
|
|
|
static int rtw_get_cipher_info(struct wlan_network *pnetwork)
|
|
{
|
|
u32 wpa_ielen;
|
|
unsigned char *pbuf;
|
|
int group_cipher = 0, pairwise_cipher = 0, is8021x = 0;
|
|
int ret = _FAIL;
|
|
pbuf = rtw_get_wpa_ie(&pnetwork->network.IEs[12], &wpa_ielen, pnetwork->network.IELength-12);
|
|
|
|
if (pbuf && (wpa_ielen > 0)) {
|
|
RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("rtw_get_cipher_info: wpa_ielen: %d", wpa_ielen));
|
|
if (_SUCCESS == rtw_parse_wpa_ie(pbuf, wpa_ielen+2, &group_cipher, &pairwise_cipher, &is8021x)) {
|
|
|
|
pnetwork->BcnInfo.pairwise_cipher = pairwise_cipher;
|
|
pnetwork->BcnInfo.group_cipher = group_cipher;
|
|
pnetwork->BcnInfo.is_8021x = is8021x;
|
|
RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("%s: pnetwork->pairwise_cipher: %d, is_8021x is %d",
|
|
__func__, pnetwork->BcnInfo.pairwise_cipher, pnetwork->BcnInfo.is_8021x));
|
|
ret = _SUCCESS;
|
|
}
|
|
} else {
|
|
|
|
pbuf = rtw_get_wpa2_ie(&pnetwork->network.IEs[12], &wpa_ielen, pnetwork->network.IELength-12);
|
|
|
|
if (pbuf && (wpa_ielen > 0)) {
|
|
RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("get RSN IE\n"));
|
|
if (_SUCCESS == rtw_parse_wpa2_ie(pbuf, wpa_ielen+2, &group_cipher, &pairwise_cipher, &is8021x)) {
|
|
RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("get RSN IE OK!!!\n"));
|
|
pnetwork->BcnInfo.pairwise_cipher = pairwise_cipher;
|
|
pnetwork->BcnInfo.group_cipher = group_cipher;
|
|
pnetwork->BcnInfo.is_8021x = is8021x;
|
|
RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("%s: pnetwork->pairwise_cipher: %d,"
|
|
"pnetwork->group_cipher is %d, is_8021x is %d", __func__, pnetwork->BcnInfo.pairwise_cipher,
|
|
pnetwork->BcnInfo.group_cipher, pnetwork->BcnInfo.is_8021x));
|
|
ret = _SUCCESS;
|
|
}
|
|
}
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
void rtw_get_bcn_info(struct wlan_network *pnetwork)
|
|
{
|
|
unsigned short cap = 0;
|
|
u8 bencrypt = 0;
|
|
/* u8 wpa_ie[255], rsn_ie[255]; */
|
|
u16 wpa_len = 0, rsn_len = 0;
|
|
struct HT_info_element *pht_info = NULL;
|
|
struct ieee80211_ht_cap *pht_cap = NULL;
|
|
unsigned int len;
|
|
unsigned char *p;
|
|
__le16 le_cap;
|
|
|
|
memcpy((u8 *)&le_cap, rtw_get_capability_from_ie(pnetwork->network.IEs), 2);
|
|
cap = le16_to_cpu(le_cap);
|
|
if (cap & WLAN_CAPABILITY_PRIVACY) {
|
|
bencrypt = 1;
|
|
pnetwork->network.Privacy = 1;
|
|
} else {
|
|
pnetwork->BcnInfo.encryp_protocol = ENCRYP_PROTOCOL_OPENSYS;
|
|
}
|
|
rtw_get_sec_ie(pnetwork->network.IEs, pnetwork->network.IELength, NULL, &rsn_len, NULL, &wpa_len);
|
|
RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("rtw_get_bcn_info: ssid =%s\n", pnetwork->network.Ssid.Ssid));
|
|
RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("rtw_get_bcn_info: wpa_len =%d rsn_len =%d\n", wpa_len, rsn_len));
|
|
RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("rtw_get_bcn_info: ssid =%s\n", pnetwork->network.Ssid.Ssid));
|
|
RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("rtw_get_bcn_info: wpa_len =%d rsn_len =%d\n", wpa_len, rsn_len));
|
|
|
|
if (rsn_len > 0) {
|
|
pnetwork->BcnInfo.encryp_protocol = ENCRYP_PROTOCOL_WPA2;
|
|
} else if (wpa_len > 0) {
|
|
pnetwork->BcnInfo.encryp_protocol = ENCRYP_PROTOCOL_WPA;
|
|
} else {
|
|
if (bencrypt)
|
|
pnetwork->BcnInfo.encryp_protocol = ENCRYP_PROTOCOL_WEP;
|
|
}
|
|
RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("rtw_get_bcn_info: pnetwork->encryp_protocol is %x\n",
|
|
pnetwork->BcnInfo.encryp_protocol));
|
|
RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("rtw_get_bcn_info: pnetwork->encryp_protocol is %x\n",
|
|
pnetwork->BcnInfo.encryp_protocol));
|
|
rtw_get_cipher_info(pnetwork);
|
|
|
|
/* get bwmode and ch_offset */
|
|
/* parsing HT_CAP_IE */
|
|
p = rtw_get_ie(pnetwork->network.IEs + _FIXED_IE_LENGTH_, _HT_CAPABILITY_IE_, &len, pnetwork->network.IELength - _FIXED_IE_LENGTH_);
|
|
if (p && len > 0) {
|
|
pht_cap = (struct ieee80211_ht_cap *)(p + 2);
|
|
pnetwork->BcnInfo.ht_cap_info = le16_to_cpu(pht_cap->cap_info);
|
|
} else {
|
|
pnetwork->BcnInfo.ht_cap_info = 0;
|
|
}
|
|
/* parsing HT_INFO_IE */
|
|
p = rtw_get_ie(pnetwork->network.IEs + _FIXED_IE_LENGTH_, _HT_ADD_INFO_IE_, &len, pnetwork->network.IELength - _FIXED_IE_LENGTH_);
|
|
if (p && len > 0) {
|
|
pht_info = (struct HT_info_element *)(p + 2);
|
|
pnetwork->BcnInfo.ht_info_infos_0 = pht_info->infos[0];
|
|
} else {
|
|
pnetwork->BcnInfo.ht_info_infos_0 = 0;
|
|
}
|
|
}
|
|
|
|
/* show MCS rate, unit: 100Kbps */
|
|
u16 rtw_mcs_rate(u8 rf_type, u8 bw_40MHz, u8 short_GI, unsigned char *MCS_rate)
|
|
{
|
|
u16 max_rate = 0;
|
|
|
|
if (rf_type == RF_1T1R) {
|
|
if (MCS_rate[0] & BIT(7))
|
|
max_rate = (bw_40MHz) ? ((short_GI)?1500:1350):((short_GI)?722:650);
|
|
else if (MCS_rate[0] & BIT(6))
|
|
max_rate = (bw_40MHz) ? ((short_GI)?1350:1215):((short_GI)?650:585);
|
|
else if (MCS_rate[0] & BIT(5))
|
|
max_rate = (bw_40MHz) ? ((short_GI)?1200:1080):((short_GI)?578:520);
|
|
else if (MCS_rate[0] & BIT(4))
|
|
max_rate = (bw_40MHz) ? ((short_GI)?900:810):((short_GI)?433:390);
|
|
else if (MCS_rate[0] & BIT(3))
|
|
max_rate = (bw_40MHz) ? ((short_GI)?600:540):((short_GI)?289:260);
|
|
else if (MCS_rate[0] & BIT(2))
|
|
max_rate = (bw_40MHz) ? ((short_GI)?450:405):((short_GI)?217:195);
|
|
else if (MCS_rate[0] & BIT(1))
|
|
max_rate = (bw_40MHz) ? ((short_GI)?300:270):((short_GI)?144:130);
|
|
else if (MCS_rate[0] & BIT(0))
|
|
max_rate = (bw_40MHz) ? ((short_GI)?150:135):((short_GI)?72:65);
|
|
} else{
|
|
if (MCS_rate[1]) {
|
|
if (MCS_rate[1] & BIT(7))
|
|
max_rate = (bw_40MHz) ? ((short_GI)?3000:2700):((short_GI)?1444:1300);
|
|
else if (MCS_rate[1] & BIT(6))
|
|
max_rate = (bw_40MHz) ? ((short_GI)?2700:2430):((short_GI)?1300:1170);
|
|
else if (MCS_rate[1] & BIT(5))
|
|
max_rate = (bw_40MHz) ? ((short_GI)?2400:2160):((short_GI)?1156:1040);
|
|
else if (MCS_rate[1] & BIT(4))
|
|
max_rate = (bw_40MHz) ? ((short_GI)?1800:1620):((short_GI)?867:780);
|
|
else if (MCS_rate[1] & BIT(3))
|
|
max_rate = (bw_40MHz) ? ((short_GI)?1200:1080):((short_GI)?578:520);
|
|
else if (MCS_rate[1] & BIT(2))
|
|
max_rate = (bw_40MHz) ? ((short_GI)?900:810):((short_GI)?433:390);
|
|
else if (MCS_rate[1] & BIT(1))
|
|
max_rate = (bw_40MHz) ? ((short_GI)?600:540):((short_GI)?289:260);
|
|
else if (MCS_rate[1] & BIT(0))
|
|
max_rate = (bw_40MHz) ? ((short_GI)?300:270):((short_GI)?144:130);
|
|
} else{
|
|
if (MCS_rate[0] & BIT(7))
|
|
max_rate = (bw_40MHz) ? ((short_GI)?1500:1350):((short_GI)?722:650);
|
|
else if (MCS_rate[0] & BIT(6))
|
|
max_rate = (bw_40MHz) ? ((short_GI)?1350:1215):((short_GI)?650:585);
|
|
else if (MCS_rate[0] & BIT(5))
|
|
max_rate = (bw_40MHz) ? ((short_GI)?1200:1080):((short_GI)?578:520);
|
|
else if (MCS_rate[0] & BIT(4))
|
|
max_rate = (bw_40MHz) ? ((short_GI)?900:810):((short_GI)?433:390);
|
|
else if (MCS_rate[0] & BIT(3))
|
|
max_rate = (bw_40MHz) ? ((short_GI)?600:540):((short_GI)?289:260);
|
|
else if (MCS_rate[0] & BIT(2))
|
|
max_rate = (bw_40MHz) ? ((short_GI)?450:405):((short_GI)?217:195);
|
|
else if (MCS_rate[0] & BIT(1))
|
|
max_rate = (bw_40MHz) ? ((short_GI)?300:270):((short_GI)?144:130);
|
|
else if (MCS_rate[0] & BIT(0))
|
|
max_rate = (bw_40MHz) ? ((short_GI)?150:135):((short_GI)?72:65);
|
|
}
|
|
}
|
|
return max_rate;
|
|
}
|
|
|
|
int rtw_action_frame_parse(const u8 *frame, u32 frame_len, u8 *category, u8 *action)
|
|
{
|
|
const u8 *frame_body = frame + sizeof(struct ieee80211_hdr_3addr);
|
|
u16 fc;
|
|
u8 c;
|
|
u8 a = ACT_PUBLIC_MAX;
|
|
|
|
fc = le16_to_cpu(((struct ieee80211_hdr_3addr *)frame)->frame_control);
|
|
|
|
if ((fc & (RTW_IEEE80211_FCTL_FTYPE|RTW_IEEE80211_FCTL_STYPE))
|
|
!= (RTW_IEEE80211_FTYPE_MGMT|RTW_IEEE80211_STYPE_ACTION)
|
|
) {
|
|
return false;
|
|
}
|
|
|
|
c = frame_body[0];
|
|
|
|
switch (c) {
|
|
case RTW_WLAN_CATEGORY_P2P: /* vendor-specific */
|
|
break;
|
|
default:
|
|
a = frame_body[1];
|
|
}
|
|
|
|
if (category)
|
|
*category = c;
|
|
if (action)
|
|
*action = a;
|
|
|
|
return true;
|
|
}
|
|
|
|
static const char *_action_public_str[] = {
|
|
"ACT_PUB_BSSCOEXIST",
|
|
"ACT_PUB_DSE_ENABLE",
|
|
"ACT_PUB_DSE_DEENABLE",
|
|
"ACT_PUB_DSE_REG_LOCATION",
|
|
"ACT_PUB_EXT_CHL_SWITCH",
|
|
"ACT_PUB_DSE_MSR_REQ",
|
|
"ACT_PUB_DSE_MSR_RPRT",
|
|
"ACT_PUB_MP",
|
|
"ACT_PUB_DSE_PWR_CONSTRAINT",
|
|
"ACT_PUB_VENDOR",
|
|
"ACT_PUB_GAS_INITIAL_REQ",
|
|
"ACT_PUB_GAS_INITIAL_RSP",
|
|
"ACT_PUB_GAS_COMEBACK_REQ",
|
|
"ACT_PUB_GAS_COMEBACK_RSP",
|
|
"ACT_PUB_TDLS_DISCOVERY_RSP",
|
|
"ACT_PUB_LOCATION_TRACK",
|
|
"ACT_PUB_RSVD",
|
|
};
|
|
|
|
const char *action_public_str(u8 action)
|
|
{
|
|
action = (action >= ACT_PUBLIC_MAX) ? ACT_PUBLIC_MAX : action;
|
|
return _action_public_str[action];
|
|
}
|