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path: root/drivers/net/wireless/rtl8192ce/core/rtw_ieee80211.c
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Diffstat (limited to 'drivers/net/wireless/rtl8192ce/core/rtw_ieee80211.c')
-rwxr-xr-xdrivers/net/wireless/rtl8192ce/core/rtw_ieee80211.c1630
1 files changed, 1630 insertions, 0 deletions
diff --git a/drivers/net/wireless/rtl8192ce/core/rtw_ieee80211.c b/drivers/net/wireless/rtl8192ce/core/rtw_ieee80211.c
new file mode 100755
index 000000000000..6e8c09073843
--- /dev/null
+++ b/drivers/net/wireless/rtl8192ce/core/rtw_ieee80211.c
@@ -0,0 +1,1630 @@
+/******************************************************************************
+ *
+ * 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_;
+}
+
+
+
+/*----------------------------------------------------------------------------
+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;
+}
+
+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);
+ }
+
+
+ //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
+
+_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;
+
+ while(1)
+ {
+ pbuf = rtw_get_ie(pbuf, _WPA_IE_ID_, &len, limit);
+
+ 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 -= (2 + len);
+
+ if (limit <= 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 i, ret=_SUCCESS;
+ int left, count;
+ u8 *pos;
+
+ 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;
+ }
+
+
+ return ret;
+
+}
+
+int rtw_parse_wpa2_ie(u8* rsn_ie, int rsn_ie_len, int *group_cipher, int *pairwise_cipher)
+{
+ int i, ret=_SUCCESS;
+ int left, count;
+ u8 *pos;
+
+ 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;
+ }
+
+
+ return ret;
+
+}
+
+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));
+
+ _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));
+
+ _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))
+ {
+ //printk("==> 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_)&&(_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);
+ #ifdef CONFIG_P2P
+ dump_p2p_ie(pos, len);
+ #endif
+ dump_wps_ie(pos, len);
+
+ 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
+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);
+ }
+}
+
+/**
+ * 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, uint 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( ( 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[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
+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 );
+ if ( wfd_ielen != NULL )
+ {
+ *wfd_ielen = in_ie[ cnt + 1 ] + 2;
+ }
+ }
+ else
+ {
+ if ( wfd_ielen != NULL )
+ {
+ *wfd_ielen = 0;
+ }
+ }
+
+ 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;
+
+}
+
+// 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_QOS_DATAGRP)
+ 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;
+}
+
+//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;
+}
+