diff options
Diffstat (limited to 'drivers/net/wireless/rtlwifi/rtl8723as/core/rtw_ieee80211.c')
| -rwxr-xr-x | drivers/net/wireless/rtlwifi/rtl8723as/core/rtw_ieee80211.c | 2187 |
1 files changed, 2187 insertions, 0 deletions
diff --git a/drivers/net/wireless/rtlwifi/rtl8723as/core/rtw_ieee80211.c b/drivers/net/wireless/rtlwifi/rtl8723as/core/rtw_ieee80211.c new file mode 100755 index 000000000000..af32123cbcc0 --- /dev/null +++ b/drivers/net/wireless/rtlwifi/rtl8723as/core/rtw_ieee80211.c @@ -0,0 +1,2187 @@ +/****************************************************************************** + * + * 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. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + * + * + ******************************************************************************/ +#define _IEEE80211_C + +#include <drv_types.h> +#include <ieee80211.h> +#include <wifi.h> +#include <osdep_service.h> +#include <wlan_bssdef.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) +{ + _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, + u8 *source, + uint *frlen //frame length +) +{ +_func_enter_; + *pbuf = (u8)index; + + *(pbuf + 1) = (u8)len; + + if (len > 0) + _rtw_memcpy((void *)(pbuf + 2), (void *)source, len); + + *frlen = *frlen + (len + 2); + + return (pbuf + len + 2); +_func_exit_; +} + +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_UPPER; + else if(ch_offset == SCB) + return HAL_PRIME_CHNL_OFFSET_LOWER; + + 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 SCB; + else if(ch_offset == HAL_PRIME_CHNL_OFFSET_UPPER) + return SCA; + + 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(u8 *pbuf, sint index, sint *len, sint limit) +{ + sint tmp,i; + u8 *p; +_func_enter_; + if (limit < 1){ + _func_exit_; + 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; + } +_func_exit_; + 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 || _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 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); + + _rtw_memcpy(buf, remain_ies, remain_len); + _rtw_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) +{ +_func_enter_; + + _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 ? + _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; + + } +_func_exit_; +} + +uint rtw_get_rateset_len(u8 *rateset) +{ + uint i = 0; +_func_enter_; + while(1) + { + if ((rateset[i]) == 0) + break; + + if (i > 12) + break; + + i++; + } +_func_exit_; + 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; + +_func_enter_; + + //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 + { + 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(((pregistrypriv->wireless_mode&WIRELESS_11_5N)||(pregistrypriv->wireless_mode&WIRELESS_11_24N)) + && (pregistrypriv->ht_enable==_TRUE)) + { + //todo: + } +#endif //CONFIG_80211N_HT + + //pdev_network->IELength = sz; //update IELength + +_func_exit_; + + //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_wpa2_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_WEP104, RSN_SELECTOR_LEN) == _TRUE) + 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)) || + (_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) + { + RT_TRACE(_module_rtl871x_mlme_c_,_drv_err_,("%s: ie length mismatch, %u too much", __FUNCTION__, 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", __FUNCTION__, 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)", __FUNCTION__)); + return _FAIL; + } + + if (is_8021x) { + if (left >= 6) { + pos += 2; + if (_rtw_memcmp(pos, SUITE_1X, 4) == 1) { + RT_TRACE(_module_rtl871x_mlme_c_,_drv_info_,("%s : there has 802.1x auth\n", __FUNCTION__)); + *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", __FUNCTION__, 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", __FUNCTION__, 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)", __FUNCTION__)); + + return _FAIL; + } + + if (is_8021x) { + if (left >= 6) { + pos += 2; + if (_rtw_memcmp(pos, SUITE_1X, 4) == 1) { + RT_TRACE(_module_rtl871x_mlme_c_,_drv_info_,("%s (): there has 802.1x auth\n", __FUNCTION__)); + *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) +{ + u8 authmode, i; + uint cnt; + u8 wapi_oui1[4]={0x0,0x14,0x72,0x01}; + u8 wapi_oui2[4]={0x0,0x14,0x72,0x02}; + +_func_enter_; + cnt = (_TIMESTAMP_ + _BEACON_ITERVAL_ + _CAPABILITY_); + while(cnt<in_len) + { + authmode=in_ie[cnt]; + + //if(authmode==_WAPI_IE_) + if(authmode==_WAPI_IE_ && (_rtw_memcmp(&in_ie[cnt+6], wapi_oui1,4)==_TRUE || + _rtw_memcmp(&in_ie[cnt+6], wapi_oui2,4)==_TRUE)) + { + if (wapi_ie) { + _rtw_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])); + } + } + + *wapi_len=in_ie[cnt+1]+2; + cnt+=in_ie[cnt+1]+2; //get next + } + else + { + cnt+=in_ie[cnt+1]+2; //get next + } + } + + return *wapi_len; +_func_exit_; + + +} +#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; + +_func_enter_; + + //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_)&&(_rtw_memcmp(&in_ie[cnt+2], &wpa_oui[0],4)==_TRUE)) + { + 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) { + _rtw_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) { + _rtw_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 + } + } + + } + +_func_exit_; + + 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_)&&(_rtw_memcmp(&ie_ptr[2], wps_oui, 4)==_TRUE)) + { + //DBG_8192C("==> found WPS_IE.....\n"); + *wps_ielen = ie_ptr[1]+2; + match=_TRUE; + } + return match; +} + +u8 *rtw_get_wps_ie_from_scan_queue(u8 *in_ie, uint in_len, u8 *wps_ie, uint *wps_ielen, u8 frame_type) +{ + u8* wps = NULL; + + DBG_871X( "[%s] frame_type = %d\n", __FUNCTION__, frame_type ); + switch( frame_type ) + { + case 1: + case 3: + { // Beacon or Probe Response + wps = rtw_get_wps_ie(in_ie + _PROBERSP_IE_OFFSET_, in_len - _PROBERSP_IE_OFFSET_, wps_ie, wps_ielen); + break; + } + case 2: + { // Probe Request + wps = rtw_get_wps_ie(in_ie + _PROBEREQ_IE_OFFSET_ , in_len - _PROBEREQ_IE_OFFSET_ , wps_ie, wps_ielen); + break; + } + } + return wps; +} + +/** + * 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_)&&(_rtw_memcmp(&in_ie[cnt+2], wps_oui, 4)==_TRUE)) + { + wpsie_ptr = &in_ie[cnt]; + + if(wps_ie) + _rtw_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_ ) || + ( _rtw_memcmp( wps_ie + 2, wps_oui , 4 ) != _TRUE ) ) + { + 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", __FUNCTION__, attr_ptr, attr_id, attr_data_len); + if( attr_id == target_attr_id ) + { + target_attr_ptr = attr_ptr; + + if(buf_attr) + _rtw_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) + _rtw_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; + + _rtw_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; + 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 str_2char2num(u8 hch, u8 lch); +u8 str_2char2num(u8 hch, u8 lch) +{ + return ((key_char2num(hch) * 10 ) + key_char2num(lch)); +} + +u8 key_2char2num(u8 hch, u8 lch); +u8 key_2char2num(u8 hch, u8 lch) +{ + return ((key_char2num(hch) << 4) | key_char2num(lch)); +} + +u8 convert_ip_addr(u8 hch, u8 mch, u8 lch) +{ + return ((key_char2num(hch) * 100) + (key_char2num(mch) * 10 ) + key_char2num(lch)); +} + +extern char* rtw_initmac; +void rtw_macaddr_cfg(u8 *mac_addr) +{ + u8 mac[ETH_ALEN]; + 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]); + } + _rtw_memcpy(mac_addr, mac, ETH_ALEN); + } + else + { // Use the mac address stored in the Efuse + _rtw_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]==0x0) && (mac[1]==0x0) && (mac[2]==0x0) && + (mac[3]==0x0) && (mac[4]==0x0) &&(mac[5]==0x0))) + { + mac[0] = 0x00; + mac[1] = 0xe0; + mac[2] = 0x4c; + mac[3] = 0x87; + mac[4] = 0x00; + mac[5] = 0x00; + // use default mac addresss + _rtw_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)); +} + +void dump_ies(u8 *buf, u32 buf_len) +{ + u8* pos = (u8*)buf; + u8 id, len; + + while(pos-buf<=buf_len){ + id = *pos; + len = *(pos+1); + + DBG_871X("%s ID:%u, LEN:%u\n", __FUNCTION__, id, len); + dump_wps_ie(pos, len); + #ifdef CONFIG_P2P + dump_p2p_ie(pos, len); + #ifdef CONFIG_WFD + dump_wfd_ie(pos, len); + #endif + #endif + + pos+=(2+len); + } +} + +void dump_wps_ie(u8 *ie, u32 ie_len) +{ + u8* pos = (u8*)ie; + u16 id; + u16 len; + + u8 *wps_ie; + uint wps_ielen; + + wps_ie = rtw_get_wps_ie(ie, ie_len, NULL, &wps_ielen); + if(wps_ie != ie || wps_ielen == 0) + return; + + pos+=6; + while(pos-ie < ie_len){ + id = RTW_GET_BE16(pos); + len = RTW_GET_BE16(pos + 2); + + DBG_871X("%s ID:0x%04x, LEN:%u\n", __FUNCTION__, id, len); + + pos+=(4+len); + } +} + +#ifdef CONFIG_P2P +/** + * rtw_get_p2p_merged_len - Get merged ie length from muitiple p2p ies. + * @in_ie: Pointer of the first p2p ie + * @in_len: Total len of muiltiple p2p ies + * Returns: Length of merged p2p ie length + */ +u32 rtw_get_p2p_merged_ies_len(u8 *in_ie, u32 in_len) +{ + PNDIS_802_11_VARIABLE_IEs pIE; + u8 OUI[4] = { 0x50, 0x6f, 0x9a, 0x09 }; + int i=0; + int j=0, len=0; + + while( i < in_len) + { + pIE = (PNDIS_802_11_VARIABLE_IEs)(in_ie+ i); + + if( pIE->ElementID == _VENDOR_SPECIFIC_IE_ && _rtw_memcmp(pIE->data, OUI, 4) ) + { + len += pIE->Length-4; // 4 is P2P OUI length, don't count it in this loop + } + + i += (pIE->Length + 2); + } + + return len + 4; // Append P2P OUI length at last. +} + +/** + * rtw_p2p_merge_ies - Merge muitiple p2p ies into one + * @in_ie: Pointer of the first p2p ie + * @in_len: Total len of muiltiple p2p ies + * @merge_ie: Pointer of merged ie + * Returns: Length of merged p2p ie + */ +int rtw_p2p_merge_ies(u8 *in_ie, u32 in_len, u8 *merge_ie) +{ + PNDIS_802_11_VARIABLE_IEs pIE; + u8 len = 0; + u8 OUI[4] = { 0x50, 0x6f, 0x9a, 0x09 }; + u8 ELOUI[6] = { 0xDD, 0x00, 0x50, 0x6f, 0x9a, 0x09 }; //EID;Len;OUI, Len would copy at the end of function + int i=0; + + if( merge_ie != NULL) + { + //Set first P2P OUI + _rtw_memcpy(merge_ie, ELOUI, 6); + merge_ie += 6; + + while( i < in_len) + { + pIE = (PNDIS_802_11_VARIABLE_IEs)(in_ie+ i); + + // Take out the rest of P2P OUIs + if( pIE->ElementID == _VENDOR_SPECIFIC_IE_ && _rtw_memcmp(pIE->data, OUI, 4) ) + { + _rtw_memcpy( merge_ie, pIE->data +4, pIE->Length -4); + len += pIE->Length-4; + merge_ie += pIE->Length-4; + } + + i += (pIE->Length + 2); + } + + return len + 4; // 4 is for P2P OUI + + } + + return 0; +} + +void dump_p2p_ie(u8 *ie, u32 ie_len) { + u8* pos = (u8*)ie; + u8 id; + u16 len; + + u8 *p2p_ie; + uint p2p_ielen; + + p2p_ie = rtw_get_p2p_ie(ie, ie_len, NULL, &p2p_ielen); + if(p2p_ie != ie || p2p_ielen == 0) + return; + + pos+=6; + while(pos-ie < ie_len){ + id = *pos; + len = RTW_GET_LE16(pos+1); + + DBG_871X("%s ID:%u, LEN:%u\n", __FUNCTION__, id, len); + + pos+=(3+len); + } +} + +u8 *rtw_get_p2p_ie_from_scan_queue(u8 *in_ie, int in_len, u8 *p2p_ie, uint *p2p_ielen, u8 frame_type) +{ + u8* p2p = NULL; + + DBG_871X( "[%s] frame_type = %d\n", __FUNCTION__, frame_type ); + switch( frame_type ) + { + case 1: + case 3: + { // Beacon or Probe Response + p2p = rtw_get_p2p_ie(in_ie + _PROBERSP_IE_OFFSET_, in_len - _PROBERSP_IE_OFFSET_, p2p_ie, p2p_ielen); + break; + } + case 2: + { // Probe Request + p2p = rtw_get_p2p_ie(in_ie + _PROBEREQ_IE_OFFSET_ , in_len - _PROBEREQ_IE_OFFSET_ , p2p_ie, p2p_ielen); + break; + } + } + return p2p; +} + +/** + * rtw_get_p2p_ie - Search P2P IE from a series of IEs + * @in_ie: Address of IEs to search + * @in_len: Length limit from in_ie + * @p2p_ie: If not NULL and P2P IE is found, P2P IE will be copied to the buf starting from p2p_ie + * @p2p_ielen: If not NULL and P2P IE is found, will set to the length of the entire P2P IE + * + * Returns: The address of the P2P IE found, or NULL + */ +u8 *rtw_get_p2p_ie(u8 *in_ie, int in_len, u8 *p2p_ie, uint *p2p_ielen) +{ + uint cnt = 0; + u8 *p2p_ie_ptr; + u8 eid, p2p_oui[4]={0x50,0x6F,0x9A,0x09}; + + if ( p2p_ielen != NULL ) + *p2p_ielen = 0; + + while(cnt<in_len) + { + eid = in_ie[cnt]; + if ((in_len < 0) || (cnt > MAX_IE_SZ)) { +#ifdef PLATFORM_LINUX + dump_stack(); +#endif + return NULL; + } + if( ( eid == _VENDOR_SPECIFIC_IE_ ) && ( _rtw_memcmp( &in_ie[cnt+2], p2p_oui, 4) == _TRUE ) ) + { + p2p_ie_ptr = in_ie + cnt; + + if ( p2p_ie != NULL ) + { + _rtw_memcpy( p2p_ie, &in_ie[ cnt ], in_ie[ cnt + 1 ] + 2 ); + } + + if ( p2p_ielen != NULL ) + { + *p2p_ielen = in_ie[ cnt + 1 ] + 2; + } + + return p2p_ie_ptr; + + break; + } + else + { + cnt += in_ie[ cnt + 1 ] +2; //goto next + } + + } + + return NULL; + +} + +/** + * rtw_get_p2p_attr - Search a specific P2P attribute from a given P2P IE + * @p2p_ie: Address of P2P IE to search + * @p2p_ielen: Length limit from p2p_ie + * @target_attr_id: The attribute ID of P2P attribute to search + * @buf_attr: If not NULL and the P2P attribute is found, P2P attribute will be copied to the buf starting from buf_attr + * @len_attr: If not NULL and the P2P attribute is found, will set to the length of the entire P2P attribute + * + * Returns: the address of the specific WPS attribute found, or NULL + */ +u8 *rtw_get_p2p_attr(u8 *p2p_ie, uint p2p_ielen, u8 target_attr_id ,u8 *buf_attr, u32 *len_attr) +{ + u8 *attr_ptr = NULL; + u8 *target_attr_ptr = NULL; + u8 p2p_oui[4]={0x50,0x6F,0x9A,0x09}; + + if(len_attr) + *len_attr = 0; + + if ( !p2p_ie || ( p2p_ie[0] != _VENDOR_SPECIFIC_IE_ ) || + ( _rtw_memcmp( p2p_ie + 2, p2p_oui , 4 ) != _TRUE ) ) + { + return attr_ptr; + } + + // 6 = 1(Element ID) + 1(Length) + 3 (OUI) + 1(OUI Type) + attr_ptr = p2p_ie + 6; //goto first attr + + while(attr_ptr - p2p_ie < p2p_ielen) + { + // 3 = 1(Attribute ID) + 2(Length) + u8 attr_id = *attr_ptr; + u16 attr_data_len = RTW_GET_LE16(attr_ptr + 1); + u16 attr_len = attr_data_len + 3; + + //DBG_871X("%s attr_ptr:%p, id:%u, length:%u\n", __FUNCTION__, attr_ptr, attr_id, attr_data_len); + if( attr_id == target_attr_id ) + { + target_attr_ptr = attr_ptr; + + if(buf_attr) + _rtw_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_p2p_attr_content - Search a specific P2P attribute content from a given P2P IE + * @p2p_ie: Address of P2P IE to search + * @p2p_ielen: Length limit from p2p_ie + * @target_attr_id: The attribute ID of P2P attribute to search + * @buf_content: If not NULL and the P2P attribute is found, P2P attribute content will be copied to the buf starting from buf_content + * @len_content: If not NULL and the P2P attribute is found, will set to the length of the P2P attribute content + * + * Returns: the address of the specific P2P attribute content found, or NULL + */ +u8 *rtw_get_p2p_attr_content(u8 *p2p_ie, uint p2p_ielen, u8 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_p2p_attr(p2p_ie, p2p_ielen, target_attr_id, NULL, &attr_len); + + if(attr_ptr && attr_len) + { + if(buf_content) + _rtw_memcpy(buf_content, attr_ptr+3, attr_len-3); + + if(len_content) + *len_content = attr_len-3; + + return attr_ptr+3; + } + + return NULL; +} + +u32 rtw_set_p2p_attr_content(u8 *pbuf, u8 attr_id, u16 attr_len, u8 *pdata_attr) +{ + u32 a_len; + + *pbuf = attr_id; + + //*(u16*)(pbuf + 1) = cpu_to_le16(attr_len); + RTW_PUT_LE16(pbuf + 1, attr_len); + + if(pdata_attr) + _rtw_memcpy(pbuf + 3, pdata_attr, attr_len); + + a_len = attr_len + 3; + + return a_len; +} + +static uint rtw_p2p_attr_remove(u8 *ie, uint ielen_ori, u8 attr_id) +{ + u8 *target_attr; + u32 target_attr_len; + uint ielen = ielen_ori; + int index=0; + + while(1) { + target_attr=rtw_get_p2p_attr(ie, ielen, attr_id, NULL, &target_attr_len); + if(target_attr && target_attr_len) + { + u8 *next_attr = target_attr+target_attr_len; + uint remain_len = ielen-(next_attr-ie); + //dump_ies(ie, ielen); + #if 0 + DBG_871X("[%d] ie:%p, ielen:%u\n" + "target_attr:%p, target_attr_len:%u\n" + "next_attr:%p, remain_len:%u\n" + , index++ + , ie, ielen + , target_attr, target_attr_len + , next_attr, remain_len + ); + #endif + + _rtw_memset(target_attr, 0, target_attr_len); + _rtw_memcpy(target_attr, next_attr, remain_len); + _rtw_memset(target_attr+remain_len, 0, target_attr_len); + *(ie+1) -= target_attr_len; + ielen-=target_attr_len; + } + else + { + //if(index>0) + // dump_ies(ie, ielen); + break; + } + } + + return ielen; +} + +void rtw_WLAN_BSSID_EX_remove_p2p_attr(WLAN_BSSID_EX *bss_ex, u8 attr_id) +{ + u8 *p2p_ie; + uint p2p_ielen, p2p_ielen_ori; + int cnt; + + if( (p2p_ie=rtw_get_p2p_ie(bss_ex->IEs+_FIXED_IE_LENGTH_, bss_ex->IELength-_FIXED_IE_LENGTH_, NULL, &p2p_ielen_ori)) ) + { + #if 0 + if(rtw_get_p2p_attr(p2p_ie, p2p_ielen_ori, attr_id, NULL, NULL)) { + DBG_871X("rtw_get_p2p_attr: GOT P2P_ATTR:%u!!!!!!!!\n", attr_id); + dump_ies(bss_ex->IEs+_FIXED_IE_LENGTH_, bss_ex->IELength-_FIXED_IE_LENGTH_); + } + #endif + + p2p_ielen=rtw_p2p_attr_remove(p2p_ie, p2p_ielen_ori, attr_id); + if(p2p_ielen != p2p_ielen_ori) { + + u8 *next_ie_ori = p2p_ie+p2p_ielen_ori; + u8 *next_ie = p2p_ie+p2p_ielen; + uint remain_len = bss_ex->IELength-(next_ie_ori-bss_ex->IEs); + + _rtw_memcpy(next_ie, next_ie_ori, remain_len); + _rtw_memset(next_ie+remain_len, 0, p2p_ielen_ori-p2p_ielen); + bss_ex->IELength -= p2p_ielen_ori-p2p_ielen; + + #if 0 + DBG_871X("remove P2P_ATTR:%u!\n", attr_id); + dump_ies(bss_ex->IEs+_FIXED_IE_LENGTH_, bss_ex->IELength-_FIXED_IE_LENGTH_); + #endif + } + } +} + +#endif //CONFIG_P2P + +#ifdef CONFIG_WFD +void dump_wfd_ie(u8 *ie, u32 ie_len) +{ + u8* pos = (u8*)ie; + u8 id; + u16 len; + + u8 *wfd_ie; + uint wfd_ielen; + + if(rtw_get_wfd_ie(ie, ie_len, NULL, &wfd_ielen) == _FALSE) + return; + + pos+=6; + while(pos-ie < ie_len){ + id = *pos; + len = RTW_GET_BE16(pos+1); + + DBG_871X("%s ID:%u, LEN:%u\n", __FUNCTION__, id, len); + + pos+=(3+len); + } +} + +int rtw_get_wfd_ie(u8 *in_ie, int in_len, u8 *wfd_ie, uint *wfd_ielen) +{ + int match; + uint cnt = 0; + u8 eid, wfd_oui[4]={0x50,0x6F,0x9A,0x0A}; + + + match=_FALSE; + + if ( in_len < 0 ) + { + return match; + } + + while(cnt<in_len) + { + eid = in_ie[cnt]; + + if( ( eid == _VENDOR_SPECIFIC_IE_ ) && ( _rtw_memcmp( &in_ie[cnt+2], wfd_oui, 4) == _TRUE ) ) + { + if ( wfd_ie != NULL ) + { + _rtw_memcpy( wfd_ie, &in_ie[ cnt ], in_ie[ cnt + 1 ] + 2 ); + + } + else + { + if ( wfd_ielen != NULL ) + { + *wfd_ielen = 0; + } + } + + if ( wfd_ielen != NULL ) + { + *wfd_ielen = in_ie[ cnt + 1 ] + 2; + } + + cnt += in_ie[ cnt + 1 ] + 2; + + match = _TRUE; + break; + } + else + { + cnt += in_ie[ cnt + 1 ] +2; //goto next + } + + } + + if ( match == _TRUE ) + { + match = cnt; + } + + return match; + +} + +int rtw_get_wfd_ie_from_scan_queue(u8 *in_ie, int in_len, u8 *wfd_ie, uint *wfd_ielen, u8 frame_type) +{ + int match; + + match=_FALSE; + + DBG_871X( "[%s] frame_type = %d\n", __FUNCTION__, frame_type ); + switch( frame_type ) + { + case 1: + case 3: + { // Beacon or Probe Response + match = rtw_get_wfd_ie(in_ie + _PROBERSP_IE_OFFSET_, in_len - _PROBERSP_IE_OFFSET_, wfd_ie, wfd_ielen); + break; + } + case 2: + { // Probe Request + match = rtw_get_wfd_ie(in_ie + _PROBEREQ_IE_OFFSET_ , in_len - _PROBEREQ_IE_OFFSET_ , wfd_ie, wfd_ielen); + break; + } + } + return match; +} + +// attr_content: The output buffer, contains the "body field" of WFD attribute. +// attr_contentlen: The data length of the "body field" of WFD attribute. +int rtw_get_wfd_attr_content(u8 *wfd_ie, uint wfd_ielen, u8 target_attr_id ,u8 *attr_content, uint *attr_contentlen) +{ + int match; + uint cnt = 0; + u8 attr_id, wfd_oui[4]={0x50,0x6F,0x9A,0x0A}; + + + match=_FALSE; + + if ( ( wfd_ie[ 0 ] != _VENDOR_SPECIFIC_IE_ ) || + ( _rtw_memcmp( wfd_ie + 2, wfd_oui , 4 ) != _TRUE ) ) + { + return( match ); + } + + // 1 ( WFD IE ) + 1 ( Length ) + 3 ( OUI ) + 1 ( OUI Type ) + cnt = 6; + while( cnt < wfd_ielen ) + { + u16 attrlen = RTW_GET_BE16(wfd_ie + cnt + 1); + + attr_id = wfd_ie[cnt]; + if( attr_id == target_attr_id ) + { + // 3 -> 1 byte for attribute ID field, 2 bytes for length field + if(attr_content) + _rtw_memcpy( attr_content, &wfd_ie[ cnt + 3 ], attrlen ); + + if(attr_contentlen) + *attr_contentlen = attrlen; + + cnt += attrlen + 3; + + match = _TRUE; + break; + } + else + { + cnt += attrlen + 3; //goto next + } + + } + + return match; + +} +#endif // CONFIG_WFD + +//Baron adds to avoid FreeBSD warning +int ieee80211_is_empty_essid(const char *essid, int essid_len) +{ + /* Single white space is for Linksys APs */ + if (essid_len == 1 && essid[0] == ' ') + return 1; + + /* Otherwise, if the entire essid is 0, we assume it is hidden */ + while (essid_len) { + essid_len--; + if (essid[essid_len] != '\0') + return 0; + } + + return 1; +} + +int ieee80211_get_hdrlen(u16 fc) +{ + int hdrlen = 24; + + switch (WLAN_FC_GET_TYPE(fc)) { + case RTW_IEEE80211_FTYPE_DATA: + if (fc & RTW_IEEE80211_STYPE_QOS_DATA) + hdrlen += 2; + if ((fc & RTW_IEEE80211_FCTL_FROMDS) && (fc & RTW_IEEE80211_FCTL_TODS)) + hdrlen += 6; /* Addr4 */ + break; + case RTW_IEEE80211_FTYPE_CTL: + switch (WLAN_FC_GET_STYPE(fc)) { + case RTW_IEEE80211_STYPE_CTS: + case RTW_IEEE80211_STYPE_ACK: + hdrlen = 10; + break; + default: + hdrlen = 16; + break; + } + break; + } + + return hdrlen; +} + +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 rtw_ieee80211_ht_cap *pht_cap = NULL; + unsigned int len; + unsigned char *p; + + _rtw_memcpy((u8 *)&cap, rtw_get_capability_from_ie(pnetwork->network.IEs), 2); + cap = le16_to_cpu(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 rtw_ieee80211_ht_cap *)(p + 2); + pnetwork->BcnInfo.ht_cap_info = 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_20, u8 short_GI_40, 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_40)?1500:1350):((short_GI_20)?722:650); + else if(MCS_rate[0] & BIT(6)) + max_rate = (bw_40MHz) ? ((short_GI_40)?1350:1215):((short_GI_20)?650:585); + else if(MCS_rate[0] & BIT(5)) + max_rate = (bw_40MHz) ? ((short_GI_40)?1200:1080):((short_GI_20)?578:520); + else if(MCS_rate[0] & BIT(4)) + max_rate = (bw_40MHz) ? ((short_GI_40)?900:810):((short_GI_20)?433:390); + else if(MCS_rate[0] & BIT(3)) + max_rate = (bw_40MHz) ? ((short_GI_40)?600:540):((short_GI_20)?289:260); + else if(MCS_rate[0] & BIT(2)) + max_rate = (bw_40MHz) ? ((short_GI_40)?450:405):((short_GI_20)?217:195); + else if(MCS_rate[0] & BIT(1)) + max_rate = (bw_40MHz) ? ((short_GI_40)?300:270):((short_GI_20)?144:130); + else if(MCS_rate[0] & BIT(0)) + max_rate = (bw_40MHz) ? ((short_GI_40)?150:135):((short_GI_20)?72:65); + } + else + { + if(MCS_rate[1]) + { + if(MCS_rate[1] & BIT(7)) + max_rate = (bw_40MHz) ? ((short_GI_40)?3000:2700):((short_GI_20)?1444:1300); + else if(MCS_rate[1] & BIT(6)) + max_rate = (bw_40MHz) ? ((short_GI_40)?2700:2430):((short_GI_20)?1300:1170); + else if(MCS_rate[1] & BIT(5)) + max_rate = (bw_40MHz) ? ((short_GI_40)?2400:2160):((short_GI_20)?1156:1040); + else if(MCS_rate[1] & BIT(4)) + max_rate = (bw_40MHz) ? ((short_GI_40)?1800:1620):((short_GI_20)?867:780); + else if(MCS_rate[1] & BIT(3)) + max_rate = (bw_40MHz) ? ((short_GI_40)?1200:1080):((short_GI_20)?578:520); + else if(MCS_rate[1] & BIT(2)) + max_rate = (bw_40MHz) ? ((short_GI_40)?900:810):((short_GI_20)?433:390); + else if(MCS_rate[1] & BIT(1)) + max_rate = (bw_40MHz) ? ((short_GI_40)?600:540):((short_GI_20)?289:260); + else if(MCS_rate[1] & BIT(0)) + max_rate = (bw_40MHz) ? ((short_GI_40)?300:270):((short_GI_20)?144:130); + } + else + { + if(MCS_rate[0] & BIT(7)) + max_rate = (bw_40MHz) ? ((short_GI_40)?1500:1350):((short_GI_20)?722:650); + else if(MCS_rate[0] & BIT(6)) + max_rate = (bw_40MHz) ? ((short_GI_40)?1350:1215):((short_GI_20)?650:585); + else if(MCS_rate[0] & BIT(5)) + max_rate = (bw_40MHz) ? ((short_GI_40)?1200:1080):((short_GI_20)?578:520); + else if(MCS_rate[0] & BIT(4)) + max_rate = (bw_40MHz) ? ((short_GI_40)?900:810):((short_GI_20)?433:390); + else if(MCS_rate[0] & BIT(3)) + max_rate = (bw_40MHz) ? ((short_GI_40)?600:540):((short_GI_20)?289:260); + else if(MCS_rate[0] & BIT(2)) + max_rate = (bw_40MHz) ? ((short_GI_40)?450:405):((short_GI_20)?217:195); + else if(MCS_rate[0] & BIT(1)) + max_rate = (bw_40MHz) ? ((short_GI_40)?300:270):((short_GI_20)?144:130); + else if(MCS_rate[0] & BIT(0)) + max_rate = (bw_40MHz) ? ((short_GI_40)?150:135):((short_GI_20)?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 rtw_ieee80211_hdr_3addr); + u16 fc; + u8 c, a; + + fc = le16_to_cpu(((struct rtw_ieee80211_hdr_3addr *)frame)->frame_ctl); + + 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]; +} + |