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Copy pathrtw_ieee80211.c
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rtw_ieee80211.c
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/******************************************************************************
*
* Copyright(c) 2007 - 2017 Realtek Corporation.
*
* 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
#ifdef CONFIG_PLATFORM_INTEL_BYT
#include <linux/fs.h>
#endif
#include <drv_types.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_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_AES_128_CMAC[] = { 0x00, 0x0f, 0xac, 6 };
u8 RSN_CIPHER_SUITE_GCMP[] = { 0x00, 0x0f, 0xac, 8 };
u8 RSN_CIPHER_SUITE_GCMP_256[] = { 0x00, 0x0f, 0xac, 9 };
u8 RSN_CIPHER_SUITE_CCMP_256[] = { 0x00, 0x0f, 0xac, 10 };
u8 RSN_CIPHER_SUITE_BIP_GMAC_128[] = { 0x00, 0x0f, 0xac, 11 };
u8 RSN_CIPHER_SUITE_BIP_GMAC_256[] = { 0x00, 0x0f, 0xac, 12 };
u8 RSN_CIPHER_SUITE_BIP_CMAC_256[] = { 0x00, 0x0f, 0xac, 13 };
u8 RSN_CIPHER_SUITE_WEP104[] = { 0x00, 0x0f, 0xac, 5 };
u8 WLAN_AKM_8021X[] = {0x00, 0x0f, 0xac, 1};
u8 WLAN_AKM_PSK[] = {0x00, 0x0f, 0xac, 2};
u8 WLAN_AKM_FT_8021X[] = {0x00, 0x0f, 0xac, 3};
u8 WLAN_AKM_FT_PSK[] = {0x00, 0x0f, 0xac, 4};
u8 WLAN_AKM_8021X_SHA256[] = {0x00, 0x0f, 0xac, 5};
u8 WLAN_AKM_PSK_SHA256[] = {0x00, 0x0f, 0xac, 6};
u8 WLAN_AKM_TDLS[] = {0x00, 0x0f, 0xac, 7};
u8 WLAN_AKM_SAE[] = {0x00, 0x0f, 0xac, 8};
u8 WLAN_AKM_FT_OVER_SAE[] = {0x00, 0x0f, 0xac, 9};
u8 WLAN_AKM_8021X_SUITE_B[] = {0x00, 0x0f, 0xac, 11};
u8 WLAN_AKM_8021X_SUITE_B_192[] = {0x00, 0x0f, 0xac, 12};
u8 WLAN_AKM_FILS_SHA256[] = {0x00, 0x0f, 0xac, 14};
u8 WLAN_AKM_FILS_SHA384[] = {0x00, 0x0f, 0xac, 15};
u8 WLAN_AKM_FT_FILS_SHA256[] = {0x00, 0x0f, 0xac, 16};
u8 WLAN_AKM_FT_FILS_SHA384[] = {0x00, 0x0f, 0xac, 17};
/* -----------------------------------------------------------
* for adhoc-master to generate ie and provide supported-rate to fw
* ----------------------------------------------------------- */
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)
};
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
};
const char *MGN_RATE_STR(enum MGN_RATE rate)
{
u8 hw_rate;
if (rate == MGN_MCS32)
return "MCS32";
hw_rate = MRateToHwRate(rate);
if (hw_rate == DESC_RATE1M && rate != MGN_1M)
hw_rate = DESC_RATE_NUM; /* invalid case */
return HDATA_RATE(hw_rate);
}
u8 mgn_rates_cck[4] = {MGN_1M, MGN_2M, MGN_5_5M, MGN_11M};
u8 mgn_rates_ofdm[8] = {MGN_6M, MGN_9M, MGN_12M, MGN_18M, MGN_24M, MGN_36M, MGN_48M, MGN_54M};
u8 mgn_rates_mcs0_7[8] = {MGN_MCS0, MGN_MCS1, MGN_MCS2, MGN_MCS3, MGN_MCS4, MGN_MCS5, MGN_MCS6, MGN_MCS7};
u8 mgn_rates_mcs8_15[8] = {MGN_MCS8, MGN_MCS9, MGN_MCS10, MGN_MCS11, MGN_MCS12, MGN_MCS13, MGN_MCS14, MGN_MCS15};
u8 mgn_rates_mcs16_23[8] = {MGN_MCS16, MGN_MCS17, MGN_MCS18, MGN_MCS19, MGN_MCS20, MGN_MCS21, MGN_MCS22, MGN_MCS23};
u8 mgn_rates_mcs24_31[8] = {MGN_MCS24, MGN_MCS25, MGN_MCS26, MGN_MCS27, MGN_MCS28, MGN_MCS29, MGN_MCS30, MGN_MCS31};
u8 mgn_rates_vht1ss[10] = {MGN_VHT1SS_MCS0, MGN_VHT1SS_MCS1, MGN_VHT1SS_MCS2, MGN_VHT1SS_MCS3, MGN_VHT1SS_MCS4
, MGN_VHT1SS_MCS5, MGN_VHT1SS_MCS6, MGN_VHT1SS_MCS7, MGN_VHT1SS_MCS8, MGN_VHT1SS_MCS9
};
u8 mgn_rates_vht2ss[10] = {MGN_VHT2SS_MCS0, MGN_VHT2SS_MCS1, MGN_VHT2SS_MCS2, MGN_VHT2SS_MCS3, MGN_VHT2SS_MCS4
, MGN_VHT2SS_MCS5, MGN_VHT2SS_MCS6, MGN_VHT2SS_MCS7, MGN_VHT2SS_MCS8, MGN_VHT2SS_MCS9
};
u8 mgn_rates_vht3ss[10] = {MGN_VHT3SS_MCS0, MGN_VHT3SS_MCS1, MGN_VHT3SS_MCS2, MGN_VHT3SS_MCS3, MGN_VHT3SS_MCS4
, MGN_VHT3SS_MCS5, MGN_VHT3SS_MCS6, MGN_VHT3SS_MCS7, MGN_VHT3SS_MCS8, MGN_VHT3SS_MCS9
};
u8 mgn_rates_vht4ss[10] = {MGN_VHT4SS_MCS0, MGN_VHT4SS_MCS1, MGN_VHT4SS_MCS2, MGN_VHT4SS_MCS3, MGN_VHT4SS_MCS4
, MGN_VHT4SS_MCS5, MGN_VHT4SS_MCS6, MGN_VHT4SS_MCS7, MGN_VHT4SS_MCS8, MGN_VHT4SS_MCS9
};
RATE_SECTION mgn_rate_to_rs(enum MGN_RATE rate)
{
RATE_SECTION rs = RATE_SECTION_NUM;
if (IS_CCK_RATE(rate))
rs = CCK;
else if (IS_OFDM_RATE(rate))
rs = OFDM;
else if (IS_HT1SS_RATE(rate))
rs = HT_1SS;
else if (IS_HT2SS_RATE(rate))
rs = HT_2SS;
else if (IS_HT3SS_RATE(rate))
rs = HT_3SS;
else if (IS_HT4SS_RATE(rate))
rs = HT_4SS;
else if (IS_VHT1SS_RATE(rate))
rs = VHT_1SS;
else if (IS_VHT2SS_RATE(rate))
rs = VHT_2SS;
else if (IS_VHT3SS_RATE(rate))
rs = VHT_3SS;
else if (IS_VHT4SS_RATE(rate))
rs = VHT_4SS;
return rs;
}
static const char *const _rate_section_str[] = {
"CCK",
"OFDM",
"HT_1SS",
"HT_2SS",
"HT_3SS",
"HT_4SS",
"VHT_1SS",
"VHT_2SS",
"VHT_3SS",
"VHT_4SS",
"RATE_SECTION_UNKNOWN",
};
const char *rate_section_str(u8 section)
{
section = (section >= RATE_SECTION_NUM) ? RATE_SECTION_NUM : section;
return _rate_section_str[section];
}
struct rate_section_ent rates_by_sections[RATE_SECTION_NUM] = {
{RF_1TX, 4, mgn_rates_cck},
{RF_1TX, 8, mgn_rates_ofdm},
{RF_1TX, 8, mgn_rates_mcs0_7},
{RF_2TX, 8, mgn_rates_mcs8_15},
{RF_3TX, 8, mgn_rates_mcs16_23},
{RF_4TX, 8, mgn_rates_mcs24_31},
{RF_1TX, 10, mgn_rates_vht1ss},
{RF_2TX, 10, mgn_rates_vht2ss},
{RF_3TX, 10, mgn_rates_vht3ss},
{RF_4TX, 10, mgn_rates_vht4ss},
};
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_get_cckrate_size(u8 *rate, u32 rate_length)
{
int i = 0;
while(i < rate_length){
RTW_DBG("%s, rate[%d]=%u\n", __FUNCTION__, i, rate[i]);
if (((rate[i] & 0x7f) == 2) || ((rate[i] & 0x7f) == 4) ||
((rate[i] & 0x7f) == 11) || ((rate[i] & 0x7f) == 22))
i++;
else
break;
}
return i;
}
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)
{
_rtw_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,
const u8 *source,
uint *frlen /* frame length */
)
{
*pbuf = (u8)index;
*(pbuf + 1) = (u8)len;
if (len > 0)
_rtw_memcpy((void *)(pbuf + 2), (void *)source, len);
if (frlen)
*frlen = *frlen + (len + 2);
return pbuf + len + 2;
}
inline u8 *rtw_set_ie_ch_switch(u8 *buf, u32 *buf_len, u8 ch_switch_mode,
u8 new_ch, u8 ch_switch_cnt)
{
u8 ie_data[3];
ie_data[0] = ch_switch_mode;
ie_data[1] = new_ch;
ie_data[2] = ch_switch_cnt;
return rtw_set_ie(buf, WLAN_EID_CHANNEL_SWITCH, 3, ie_data, buf_len);
}
inline u8 secondary_ch_offset_to_hal_ch_offset(u8 ch_offset)
{
if (ch_offset == SCN)
return HAL_PRIME_CHNL_OFFSET_DONT_CARE;
else if (ch_offset == SCA)
return HAL_PRIME_CHNL_OFFSET_LOWER;
else if (ch_offset == SCB)
return HAL_PRIME_CHNL_OFFSET_UPPER;
return HAL_PRIME_CHNL_OFFSET_DONT_CARE;
}
inline u8 hal_ch_offset_to_secondary_ch_offset(u8 ch_offset)
{
if (ch_offset == HAL_PRIME_CHNL_OFFSET_DONT_CARE)
return SCN;
else if (ch_offset == HAL_PRIME_CHNL_OFFSET_LOWER)
return SCA;
else if (ch_offset == HAL_PRIME_CHNL_OFFSET_UPPER)
return SCB;
return SCN;
}
inline u8 *rtw_set_ie_secondary_ch_offset(u8 *buf, u32 *buf_len, u8 secondary_ch_offset)
{
return rtw_set_ie(buf, WLAN_EID_SECONDARY_CHANNEL_OFFSET, 1, &secondary_ch_offset, buf_len);
}
inline u8 *rtw_set_ie_mesh_ch_switch_parm(u8 *buf, u32 *buf_len, u8 ttl,
u8 flags, u16 reason, u16 precedence)
{
u8 ie_data[6];
ie_data[0] = ttl;
ie_data[1] = flags;
RTW_PUT_LE16((u8 *)&ie_data[2], reason);
RTW_PUT_LE16((u8 *)&ie_data[4], precedence);
return rtw_set_ie(buf, 0x118, 6, ie_data, buf_len);
}
/*----------------------------------------------------------------------------
index: the information element id index, limit is the limit for search
-----------------------------------------------------------------------------*/
u8 *rtw_get_ie(const u8 *pbuf, sint index, sint *len, sint limit)
{
sint tmp, i;
const u8 *p;
if (limit < 1) {
return NULL;
}
p = pbuf;
i = 0;
*len = 0;
while (1) {
if (*p == index) {
*len = *(p + 1);
return (u8 *)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(const u8 *in_ie, uint in_len, u8 eid, const u8 *oui, u8 oui_len, u8 *ie, uint *ielen)
{
uint cnt;
const u8 *target_ie = NULL;
if (ielen)
*ielen = 0;
if (!in_ie || in_len <= 0)
return (u8 *)target_ie;
cnt = 0;
while (cnt < in_len) {
if (eid == in_ie[cnt]
&& (!oui || _rtw_memcmp(&in_ie[cnt + 2], oui, oui_len) == _TRUE)) {
target_ie = &in_ie[cnt];
if (ie)
_rtw_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 (u8 *)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 *remain_ies = target_ie + target_ielen;
uint remain_len = search_len - (remain_ies - start);
_rtw_memmove(target_ie, remain_ies, 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)
{
_rtw_memset(SupportedRates, 0, NDIS_802_11_LENGTH_RATES_EX);
switch (mode) {
case WIRELESS_11B:
_rtw_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:
_rtw_memcpy(SupportedRates, WIFI_OFDMRATES, IEEE80211_NUM_OFDM_RATESLEN);
break;
case WIRELESS_11BG:
case WIRELESS_11G_24N:
case WIRELESS_11_24N:
case WIRELESS_11BG_24N:
_rtw_memcpy(SupportedRates, WIFI_CCKRATES, IEEE80211_CCK_RATE_LEN);
_rtw_memcpy(SupportedRates + IEEE80211_CCK_RATE_LEN, WIFI_OFDMRATES, IEEE80211_NUM_OFDM_RATESLEN);
break;
}
}
void rtw_filter_suppport_rateie(WLAN_BSSID_EX *pbss_network, u8 keep)
{
u8 i, idx = 0, new_rate[NDIS_802_11_LENGTH_RATES_EX], *p;
uint iscck, isofdm, ie_orilen = 0, remain_len;
u8 *remain_ies;
p = rtw_get_ie(pbss_network->IEs + _BEACON_IE_OFFSET_, _SUPPORTEDRATES_IE_, &ie_orilen, (pbss_network->IELength - _BEACON_IE_OFFSET_));
if (!p)
return;
_rtw_memset(new_rate, 0, NDIS_802_11_LENGTH_RATES_EX);
for (i=0; i < ie_orilen; i++) {
iscck = rtw_is_cck_rate(p[i+2]);
isofdm= rtw_is_ofdm_rate(p[i+2]);
if (((keep == CCK) && iscck)
|| ((keep == OFDM) && isofdm))
new_rate[idx++]= rtw_is_basic_rate_ofdm(p[i+2]) ? p[i+2]|IEEE80211_BASIC_RATE_MASK : p[i+2];
}
/* update rate ie */
p[1] = idx;
_rtw_memcpy(p+2, new_rate, idx);
/* update remain ie & IELength*/
remain_ies = p + 2 + ie_orilen;
remain_len = pbss_network->IELength - (remain_ies - pbss_network->IEs);
_rtw_memmove(p+2+idx, remain_ies, remain_len);
pbss_network->IELength -= (ie_orilen - idx);
}
/*
Adjust those items by given wireless_mode
1. pbss_network->IELength
2. pbss_network->IE (SUPPORTRATE & EXT_SUPPORTRATE)
3. pbss_network->SupportedRates
*/
u8 rtw_update_rate_bymode(WLAN_BSSID_EX *pbss_network, u32 mode)
{
u8 network_type, *p, *ie = pbss_network->IEs;
sint ie_len;
uint network_ielen = pbss_network->IELength;
if (mode == WIRELESS_11B) {
/*only keep CCK in support_rate IE and remove whole ext_support_rate IE*/
rtw_filter_suppport_rateie(pbss_network, CCK);
p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _EXT_SUPPORTEDRATES_IE_, &ie_len, pbss_network->IELength - _BEACON_IE_OFFSET_);
if (p) {
rtw_ies_remove_ie(ie , &network_ielen, _BEACON_IE_OFFSET_, _EXT_SUPPORTEDRATES_IE_, NULL, 0);
pbss_network->IELength -= ie_len;
}
network_type = WIRELESS_11B;
} else {
if (pbss_network->Configuration.DSConfig > 14) {
/* Remove CCK in support_rate IE */
rtw_filter_suppport_rateie(pbss_network, OFDM);
network_type = WIRELESS_11A;
} else {
if ((mode & WIRELESS_11B) == 0) {
/* Remove CCK in support_rate IE */
rtw_filter_suppport_rateie(pbss_network, OFDM);
network_type = WIRELESS_11G;
} else {
network_type = WIRELESS_11BG;
}
}
}
rtw_set_supported_rate(pbss_network->SupportedRates, network_type);
return network_type;
}
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;
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 */
*(u16 *)ie = cpu_to_le16((u16)pdev_network->Configuration.BeaconPeriod); /* BCN_INTERVAL; */
sz += 2;
ie += 2;
/* capability info */
*(u16 *)ie = 0;
*(u16 *)ie |= cpu_to_le16(cap_IBSS);
if (pregistrypriv->preamble == PREAMBLE_SHORT)
*(u16 *)ie |= cpu_to_le16(cap_ShortPremble);
if (pdev_network->Privacy)
*(u16 *)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 if (pregistrypriv->wireless_mode == WIRELESS_MODE_MAX) { /* WIRELESS_11ABGN | WIRELESS_11AC */
if (pdev_network->Configuration.DSConfig > 14)
wireless_mode = WIRELESS_11_5AC;
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);
#ifdef CONFIG_80211N_HT
/* HT Cap. */
if (is_supported_ht(pregistrypriv->wireless_mode)
&& (pregistrypriv->ht_enable == _TRUE)) {
/* todo: */
}
#endif /* CONFIG_80211N_HT */
/* 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;
while (1) {
pbuf = rtw_get_ie(pbuf, _WPA_IE_ID_, &len, limit_new);
if (pbuf) {
/* check if oui matches... */
if (_rtw_memcmp((pbuf + 2), wpa_oui_type, sizeof(wpa_oui_type)) == _FALSE)
goto check_next_ie;
/* check version... */
_rtw_memcpy((u8 *)&val16, (pbuf + 6), sizeof(val16));
val16 = le16_to_cpu(val16);
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 (_rtw_memcmp(s, WPA_CIPHER_SUITE_NONE, WPA_SELECTOR_LEN) == _TRUE)
return WPA_CIPHER_NONE;
if (_rtw_memcmp(s, WPA_CIPHER_SUITE_WEP40, WPA_SELECTOR_LEN) == _TRUE)
return WPA_CIPHER_WEP40;
if (_rtw_memcmp(s, WPA_CIPHER_SUITE_TKIP, WPA_SELECTOR_LEN) == _TRUE)
return WPA_CIPHER_TKIP;
if (_rtw_memcmp(s, WPA_CIPHER_SUITE_CCMP, WPA_SELECTOR_LEN) == _TRUE)
return WPA_CIPHER_CCMP;
if (_rtw_memcmp(s, WPA_CIPHER_SUITE_WEP104, WPA_SELECTOR_LEN) == _TRUE)
return WPA_CIPHER_WEP104;
return 0;
}
int rtw_get_rsn_cipher_suite(u8 *s)
{
if (_rtw_memcmp(s, RSN_CIPHER_SUITE_NONE, RSN_SELECTOR_LEN) == _TRUE)
return WPA_CIPHER_NONE;
if (_rtw_memcmp(s, RSN_CIPHER_SUITE_WEP40, RSN_SELECTOR_LEN) == _TRUE)
return WPA_CIPHER_WEP40;
if (_rtw_memcmp(s, RSN_CIPHER_SUITE_TKIP, RSN_SELECTOR_LEN) == _TRUE)
return WPA_CIPHER_TKIP;
if (_rtw_memcmp(s, RSN_CIPHER_SUITE_CCMP, RSN_SELECTOR_LEN) == _TRUE)
return WPA_CIPHER_CCMP;
if (_rtw_memcmp(s, RSN_CIPHER_SUITE_GCMP, RSN_SELECTOR_LEN) == _TRUE)
return WPA_CIPHER_GCMP;
if (_rtw_memcmp(s, RSN_CIPHER_SUITE_GCMP_256, RSN_SELECTOR_LEN) == _TRUE)
return WPA_CIPHER_GCMP_256;
if (_rtw_memcmp(s, RSN_CIPHER_SUITE_CCMP_256, RSN_SELECTOR_LEN) == _TRUE)
return WPA_CIPHER_CCMP_256;
if (_rtw_memcmp(s, RSN_CIPHER_SUITE_WEP104, RSN_SELECTOR_LEN) == _TRUE)
return WPA_CIPHER_WEP104;
if (_rtw_memcmp(s, RSN_CIPHER_SUITE_AES_128_CMAC, RSN_SELECTOR_LEN) == _TRUE)
return WPA_CIPHER_BIP_CMAC_128;
if (_rtw_memcmp(s, RSN_CIPHER_SUITE_BIP_GMAC_128, RSN_SELECTOR_LEN) == _TRUE)
return WPA_CIPHER_BIP_GMAC_128;
if (_rtw_memcmp(s, RSN_CIPHER_SUITE_BIP_GMAC_256, RSN_SELECTOR_LEN) == _TRUE)
return WPA_CIPHER_BIP_GMAC_256;
if (_rtw_memcmp(s, RSN_CIPHER_SUITE_BIP_CMAC_256, RSN_SELECTOR_LEN) == _TRUE)
return WPA_CIPHER_BIP_CMAC_256;
return 0;
}
u32 rtw_get_akm_suite_bitmap(u8 *s)
{
if (_rtw_memcmp(s, WLAN_AKM_8021X, RSN_SELECTOR_LEN) == _TRUE)
return WLAN_AKM_TYPE_8021X;
if (_rtw_memcmp(s, WLAN_AKM_PSK, RSN_SELECTOR_LEN) == _TRUE)
return WLAN_AKM_TYPE_PSK;
if (_rtw_memcmp(s, WLAN_AKM_FT_8021X, RSN_SELECTOR_LEN) == _TRUE)
return WLAN_AKM_TYPE_FT_8021X;
if (_rtw_memcmp(s, WLAN_AKM_FT_PSK, RSN_SELECTOR_LEN) == _TRUE)
return WLAN_AKM_TYPE_FT_PSK;
if (_rtw_memcmp(s, WLAN_AKM_8021X_SHA256, RSN_SELECTOR_LEN) == _TRUE)
return WLAN_AKM_TYPE_8021X_SHA256;
if (_rtw_memcmp(s, WLAN_AKM_PSK_SHA256, RSN_SELECTOR_LEN) == _TRUE)
return WLAN_AKM_TYPE_PSK_SHA256;
if (_rtw_memcmp(s, WLAN_AKM_TDLS, RSN_SELECTOR_LEN) == _TRUE)
return WLAN_AKM_TYPE_TDLS;
if (_rtw_memcmp(s, WLAN_AKM_SAE, RSN_SELECTOR_LEN) == _TRUE)
return WLAN_AKM_TYPE_SAE;
if (_rtw_memcmp(s, WLAN_AKM_FT_OVER_SAE, RSN_SELECTOR_LEN) == _TRUE)
return WLAN_AKM_TYPE_FT_OVER_SAE;
if (_rtw_memcmp(s, WLAN_AKM_8021X_SUITE_B, RSN_SELECTOR_LEN) == _TRUE)
return WLAN_AKM_TYPE_8021X_SUITE_B;
if (_rtw_memcmp(s, WLAN_AKM_8021X_SUITE_B_192, RSN_SELECTOR_LEN) == _TRUE)
return WLAN_AKM_TYPE_8021X_SUITE_B_192;
if (_rtw_memcmp(s, WLAN_AKM_FILS_SHA256, RSN_SELECTOR_LEN) == _TRUE)
return WLAN_AKM_TYPE_FILS_SHA256;
if (_rtw_memcmp(s, WLAN_AKM_FILS_SHA384, RSN_SELECTOR_LEN) == _TRUE)
return WLAN_AKM_TYPE_FILS_SHA384;
if (_rtw_memcmp(s, WLAN_AKM_FT_FILS_SHA256, RSN_SELECTOR_LEN) == _TRUE)
return WLAN_AKM_TYPE_FT_FILS_SHA256;
if (_rtw_memcmp(s, WLAN_AKM_FT_FILS_SHA384, RSN_SELECTOR_LEN) == _TRUE)
return WLAN_AKM_TYPE_FT_FILS_SHA384;
return 0;
}
int rtw_parse_wpa_ie(u8 *wpa_ie, int wpa_ie_len, int *group_cipher,
int *pairwise_cipher, u32 *akm)
{
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)) ||
(_rtw_memcmp(wpa_ie + 2, RTW_WPA_OUI_TYPE, WPA_SELECTOR_LEN) != _TRUE))
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) {
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) {
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) {
return _FAIL;
}
if (akm) {
if (left >= 6) {
pos += 2;
if (_rtw_memcmp(pos, SUITE_1X, 4) == 1) {
*akm = WLAN_AKM_TYPE_8021X;
}
}
}
return ret;
}
int rtw_rsne_info_parse(const u8 *ie, uint ie_len, struct rsne_info *info)
{
const u8 *pos = ie;
u16 ver;
u16 cnt;
_rtw_memset(info, 0, sizeof(struct rsne_info));
if (ie + ie_len < pos + 4)
goto err;
if (*ie != WLAN_EID_RSN || *(ie + 1) != ie_len - 2)
goto err;
pos += 2;
/* Version */
ver = RTW_GET_LE16(pos);
if(1 != ver)
goto err;
pos += 2;
/* Group CS */
if (ie + ie_len < pos + 4) {
if (ie + ie_len != pos)
goto err;
goto exit;
}
info->gcs = (u8 *)pos;
pos += 4;
/* Pairwise CS */
if (ie + ie_len < pos + 2) {
if (ie + ie_len != pos)
goto err;
goto exit;
}
cnt = RTW_GET_LE16(pos);
pos += 2;
if (ie + ie_len < pos + 4 * cnt) {
if (ie + ie_len != pos)
goto err;
goto exit;
}
info->pcs_cnt = cnt;
info->pcs_list = (u8 *)pos;
pos += 4 * cnt;
/* AKM */
if (ie + ie_len < pos + 2) {
if (ie + ie_len != pos)
goto err;
goto exit;
}
cnt = RTW_GET_LE16(pos);
pos += 2;
if (ie + ie_len < pos + 4 * cnt) {
if (ie + ie_len != pos)
goto err;
goto exit;
}
info->akm_cnt = cnt;
info->akm_list = (u8 *)pos;
pos += 4 * cnt;
/* RSN cap */
if (ie + ie_len < pos + 2) {
if (ie + ie_len != pos)
goto err;
goto exit;
}
info->cap = (u8 *)pos;
pos += 2;
/* PMKID */
if (ie + ie_len < pos + 2) {
if (ie + ie_len != pos)
goto err;
goto exit;
}
cnt = RTW_GET_LE16(pos);
pos += 2;
if (ie + ie_len < pos + 16 * cnt)
goto err;
info->pmkid_cnt = cnt;
info->pmkid_list = (u8 *)pos;
pos += 16 * cnt;
/* Group Mgmt CS */
if (ie + ie_len < pos + 4) {
if (ie + ie_len != pos)
goto err;
goto exit;
}
info->gmcs = (u8 *)pos;
exit:
return _SUCCESS;
err:
info->err = 1;
return _FAIL;
}
int rtw_parse_wpa2_ie(u8 *rsn_ie, int rsn_ie_len, int *group_cipher,
int *pairwise_cipher, int *gmcs, u32 *akm, u8 *mfp_opt, u8 *spp_opt)
{
struct rsne_info info;
int i, ret = _SUCCESS;
ret = rtw_rsne_info_parse(rsn_ie, rsn_ie_len, &info);
if (ret != _SUCCESS)
goto exit;
if (group_cipher) {
if (info.gcs)
*group_cipher = rtw_get_rsn_cipher_suite(info.gcs);
else
*group_cipher = 0;
}
if (pairwise_cipher) {
*pairwise_cipher = 0;
if (info.pcs_list) {
for (i = 0; i < info.pcs_cnt; i++)
*pairwise_cipher |= rtw_get_rsn_cipher_suite(info.pcs_list + 4 * i);
}