--- /dev/null
+/******************************************************************************
+ *
+ * Copyright(c) 2007 - 2017 Realtek Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ *****************************************************************************/
+#define _IEEE80211_C
+
+#ifdef CONFIG_PLATFORM_INTEL_BYT
+ #include <linux/fs.h>
+#endif
+#include <drv_types.h>
+
+
+u8 RTW_WPA_OUI_TYPE[] = { 0x00, 0x50, 0xf2, 1 };
+u16 RTW_WPA_VERSION = 1;
+u8 WPA_AUTH_KEY_MGMT_NONE[] = { 0x00, 0x50, 0xf2, 0 };
+u8 WPA_AUTH_KEY_MGMT_UNSPEC_802_1X[] = { 0x00, 0x50, 0xf2, 1 };
+u8 WPA_AUTH_KEY_MGMT_PSK_OVER_802_1X[] = { 0x00, 0x50, 0xf2, 2 };
+u8 WPA_CIPHER_SUITE_NONE[] = { 0x00, 0x50, 0xf2, 0 };
+u8 WPA_CIPHER_SUITE_WEP40[] = { 0x00, 0x50, 0xf2, 1 };
+u8 WPA_CIPHER_SUITE_TKIP[] = { 0x00, 0x50, 0xf2, 2 };
+u8 WPA_CIPHER_SUITE_WRAP[] = { 0x00, 0x50, 0xf2, 3 };
+u8 WPA_CIPHER_SUITE_CCMP[] = { 0x00, 0x50, 0xf2, 4 };
+u8 WPA_CIPHER_SUITE_WEP104[] = { 0x00, 0x50, 0xf2, 5 };
+
+u16 RSN_VERSION_BSD = 1;
+u8 RSN_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
+};
+
+u8 mgn_rates_cck[4] = {MGN_1M, MGN_2M, MGN_5_5M, MGN_11M};
+u8 mgn_rates_ofdm[8] = {MGN_6M, MGN_9M, MGN_12M, MGN_18M, MGN_24M, MGN_36M, MGN_48M, MGN_54M};
+u8 mgn_rates_mcs0_7[8] = {MGN_MCS0, MGN_MCS1, MGN_MCS2, MGN_MCS3, MGN_MCS4, MGN_MCS5, MGN_MCS6, MGN_MCS7};
+u8 mgn_rates_mcs8_15[8] = {MGN_MCS8, MGN_MCS9, MGN_MCS10, MGN_MCS11, MGN_MCS12, MGN_MCS13, MGN_MCS14, MGN_MCS15};
+u8 mgn_rates_mcs16_23[8] = {MGN_MCS16, MGN_MCS17, MGN_MCS18, MGN_MCS19, MGN_MCS20, MGN_MCS21, MGN_MCS22, MGN_MCS23};
+u8 mgn_rates_mcs24_31[8] = {MGN_MCS24, MGN_MCS25, MGN_MCS26, MGN_MCS27, MGN_MCS28, MGN_MCS29, MGN_MCS30, MGN_MCS31};
+u8 mgn_rates_vht1ss[10] = {MGN_VHT1SS_MCS0, MGN_VHT1SS_MCS1, MGN_VHT1SS_MCS2, MGN_VHT1SS_MCS3, MGN_VHT1SS_MCS4
+ , MGN_VHT1SS_MCS5, MGN_VHT1SS_MCS6, MGN_VHT1SS_MCS7, MGN_VHT1SS_MCS8, MGN_VHT1SS_MCS9
+ };
+u8 mgn_rates_vht2ss[10] = {MGN_VHT2SS_MCS0, MGN_VHT2SS_MCS1, MGN_VHT2SS_MCS2, MGN_VHT2SS_MCS3, MGN_VHT2SS_MCS4
+ , MGN_VHT2SS_MCS5, MGN_VHT2SS_MCS6, MGN_VHT2SS_MCS7, MGN_VHT2SS_MCS8, MGN_VHT2SS_MCS9
+ };
+u8 mgn_rates_vht3ss[10] = {MGN_VHT3SS_MCS0, MGN_VHT3SS_MCS1, MGN_VHT3SS_MCS2, MGN_VHT3SS_MCS3, MGN_VHT3SS_MCS4
+ , MGN_VHT3SS_MCS5, MGN_VHT3SS_MCS6, MGN_VHT3SS_MCS7, MGN_VHT3SS_MCS8, MGN_VHT3SS_MCS9
+ };
+u8 mgn_rates_vht4ss[10] = {MGN_VHT4SS_MCS0, MGN_VHT4SS_MCS1, MGN_VHT4SS_MCS2, MGN_VHT4SS_MCS3, MGN_VHT4SS_MCS4
+ , MGN_VHT4SS_MCS5, MGN_VHT4SS_MCS6, MGN_VHT4SS_MCS7, MGN_VHT4SS_MCS8, MGN_VHT4SS_MCS9
+ };
+
+static const char *const _rate_section_str[] = {
+ "CCK",
+ "OFDM",
+ "HT_1SS",
+ "HT_2SS",
+ "HT_3SS",
+ "HT_4SS",
+ "VHT_1SS",
+ "VHT_2SS",
+ "VHT_3SS",
+ "VHT_4SS",
+ "RATE_SECTION_UNKNOWN",
+};
+
+const char *rate_section_str(u8 section)
+{
+ section = (section >= RATE_SECTION_NUM) ? RATE_SECTION_NUM : section;
+ return _rate_section_str[section];
+}
+
+struct rate_section_ent rates_by_sections[RATE_SECTION_NUM] = {
+ {RF_1TX, 4, mgn_rates_cck},
+ {RF_1TX, 8, mgn_rates_ofdm},
+ {RF_1TX, 8, mgn_rates_mcs0_7},
+ {RF_2TX, 8, mgn_rates_mcs8_15},
+ {RF_3TX, 8, mgn_rates_mcs16_23},
+ {RF_4TX, 8, mgn_rates_mcs24_31},
+ {RF_1TX, 10, mgn_rates_vht1ss},
+ {RF_2TX, 10, mgn_rates_vht2ss},
+ {RF_3TX, 10, mgn_rates_vht3ss},
+ {RF_4TX, 10, mgn_rates_vht4ss},
+};
+
+int rtw_get_bit_value_from_ieee_value(u8 val)
+{
+ unsigned char dot11_rate_table[] = {2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108, 0}; /* last element must be zero!! */
+
+ int i = 0;
+ while (dot11_rate_table[i] != 0) {
+ if (dot11_rate_table[i] == val)
+ return BIT(i);
+ i++;
+ }
+ return 0;
+}
+uint rtw_get_cckrate_size(u8 *rate, u32 rate_length)
+{
+ int i = 0;
+ while(i < rate_length){
+ RTW_DBG("%s, rate[%d]=%u\n", __FUNCTION__, i, rate[i]);
+ if (((rate[i] & 0x7f) == 2) || ((rate[i] & 0x7f) == 4) ||
+ ((rate[i] & 0x7f) == 11) || ((rate[i] & 0x7f) == 22))
+ i++;
+ else
+ break;
+ }
+ return i;
+}
+
+uint rtw_is_cckrates_included(u8 *rate)
+{
+ u32 i = 0;
+
+ while (rate[i] != 0) {
+ if ((((rate[i]) & 0x7f) == 2) || (((rate[i]) & 0x7f) == 4) ||
+ (((rate[i]) & 0x7f) == 11) || (((rate[i]) & 0x7f) == 22))
+ return _TRUE;
+ i++;
+ }
+
+ return _FALSE;
+}
+
+uint rtw_is_cckratesonly_included(u8 *rate)
+{
+ u32 i = 0;
+
+
+ while (rate[i] != 0) {
+ if ((((rate[i]) & 0x7f) != 2) && (((rate[i]) & 0x7f) != 4) &&
+ (((rate[i]) & 0x7f) != 11) && (((rate[i]) & 0x7f) != 22))
+ return _FALSE;
+
+ i++;
+ }
+
+ return _TRUE;
+
+}
+
+int rtw_check_network_type(unsigned char *rate, int ratelen, int channel)
+{
+ if (channel > 14) {
+ if ((rtw_is_cckrates_included(rate)) == _TRUE)
+ return WIRELESS_INVALID;
+ else
+ return WIRELESS_11A;
+ } else { /* could be pure B, pure G, or B/G */
+ if ((rtw_is_cckratesonly_included(rate)) == _TRUE)
+ return WIRELESS_11B;
+ else if ((rtw_is_cckrates_included(rate)) == _TRUE)
+ return WIRELESS_11BG;
+ else
+ return WIRELESS_11G;
+ }
+
+}
+
+u8 *rtw_set_fixed_ie(unsigned char *pbuf, unsigned int len, unsigned char *source,
+ unsigned int *frlen)
+{
+ _rtw_memcpy((void *)pbuf, (void *)source, len);
+ *frlen = *frlen + len;
+ return pbuf + len;
+}
+
+/* rtw_set_ie will update frame length */
+u8 *rtw_set_ie
+(
+ u8 *pbuf,
+ sint index,
+ uint len,
+ const u8 *source,
+ uint *frlen /* frame length */
+)
+{
+ *pbuf = (u8)index;
+
+ *(pbuf + 1) = (u8)len;
+
+ if (len > 0)
+ _rtw_memcpy((void *)(pbuf + 2), (void *)source, len);
+
+ if (frlen)
+ *frlen = *frlen + (len + 2);
+
+ return pbuf + len + 2;
+}
+
+inline u8 *rtw_set_ie_ch_switch(u8 *buf, u32 *buf_len, u8 ch_switch_mode,
+ u8 new_ch, u8 ch_switch_cnt)
+{
+ u8 ie_data[3];
+
+ ie_data[0] = ch_switch_mode;
+ ie_data[1] = new_ch;
+ ie_data[2] = ch_switch_cnt;
+ return rtw_set_ie(buf, WLAN_EID_CHANNEL_SWITCH, 3, ie_data, buf_len);
+}
+
+inline u8 secondary_ch_offset_to_hal_ch_offset(u8 ch_offset)
+{
+ if (ch_offset == SCN)
+ return HAL_PRIME_CHNL_OFFSET_DONT_CARE;
+ else if (ch_offset == SCA)
+ return HAL_PRIME_CHNL_OFFSET_LOWER;
+ else if (ch_offset == SCB)
+ return HAL_PRIME_CHNL_OFFSET_UPPER;
+
+ return HAL_PRIME_CHNL_OFFSET_DONT_CARE;
+}
+
+inline u8 hal_ch_offset_to_secondary_ch_offset(u8 ch_offset)
+{
+ if (ch_offset == HAL_PRIME_CHNL_OFFSET_DONT_CARE)
+ return SCN;
+ else if (ch_offset == HAL_PRIME_CHNL_OFFSET_LOWER)
+ return SCA;
+ else if (ch_offset == HAL_PRIME_CHNL_OFFSET_UPPER)
+ return SCB;
+
+ return SCN;
+}
+
+inline u8 *rtw_set_ie_secondary_ch_offset(u8 *buf, u32 *buf_len, u8 secondary_ch_offset)
+{
+ return rtw_set_ie(buf, WLAN_EID_SECONDARY_CHANNEL_OFFSET, 1, &secondary_ch_offset, buf_len);
+}
+
+inline u8 *rtw_set_ie_mesh_ch_switch_parm(u8 *buf, u32 *buf_len, u8 ttl,
+ u8 flags, u16 reason, u16 precedence)
+{
+ u8 ie_data[6];
+
+ ie_data[0] = ttl;
+ ie_data[1] = flags;
+ RTW_PUT_LE16((u8 *)&ie_data[2], reason);
+ RTW_PUT_LE16((u8 *)&ie_data[4], precedence);
+
+ return rtw_set_ie(buf, 0x118, 6, ie_data, buf_len);
+}
+
+/*----------------------------------------------------------------------------
+index: the information element id index, limit is the limit for search
+-----------------------------------------------------------------------------*/
+u8 *rtw_get_ie(const u8 *pbuf, sint index, sint *len, sint limit)
+{
+ sint tmp, i;
+ const u8 *p;
+ if (limit < 1) {
+ return NULL;
+ }
+
+ p = pbuf;
+ i = 0;
+ *len = 0;
+ while (1) {
+ if (*p == index) {
+ *len = *(p + 1);
+ return (u8 *)p;
+ } else {
+ tmp = *(p + 1);
+ p += (tmp + 2);
+ i += (tmp + 2);
+ }
+ if (i >= limit)
+ break;
+ }
+ return NULL;
+}
+
+/**
+ * rtw_get_ie_ex - Search specific IE from a series of IEs
+ * @in_ie: Address of IEs to search
+ * @in_len: Length limit from in_ie
+ * @eid: Element ID to match
+ * @oui: OUI to match
+ * @oui_len: OUI length
+ * @ie: If not NULL and the specific IE is found, the IE will be copied to the buf starting from the specific IE
+ * @ielen: If not NULL and the specific IE is found, will set to the length of the entire IE
+ *
+ * Returns: The address of the specific IE found, or NULL
+ */
+u8 *rtw_get_ie_ex(const u8 *in_ie, uint in_len, u8 eid, const u8 *oui, u8 oui_len, u8 *ie, uint *ielen)
+{
+ uint cnt;
+ const u8 *target_ie = NULL;
+
+
+ if (ielen)
+ *ielen = 0;
+
+ if (!in_ie || in_len <= 0)
+ return (u8 *)target_ie;
+
+ cnt = 0;
+
+ while (cnt < in_len) {
+ if (eid == in_ie[cnt]
+ && (!oui || _rtw_memcmp(&in_ie[cnt + 2], oui, oui_len) == _TRUE)) {
+ target_ie = &in_ie[cnt];
+
+ if (ie)
+ _rtw_memcpy(ie, &in_ie[cnt], in_ie[cnt + 1] + 2);
+
+ if (ielen)
+ *ielen = in_ie[cnt + 1] + 2;
+
+ break;
+ } else {
+ cnt += in_ie[cnt + 1] + 2; /* goto next */
+ }
+
+ }
+
+ return (u8 *)target_ie;
+}
+
+/**
+ * rtw_ies_remove_ie - Find matching IEs and remove
+ * @ies: Address of IEs to search
+ * @ies_len: Pointer of length of ies, will update to new length
+ * @offset: The offset to start scarch
+ * @eid: Element ID to match
+ * @oui: OUI to match
+ * @oui_len: OUI length
+ *
+ * Returns: _SUCCESS: ies is updated, _FAIL: not updated
+ */
+int rtw_ies_remove_ie(u8 *ies, uint *ies_len, uint offset, u8 eid, u8 *oui, u8 oui_len)
+{
+ int ret = _FAIL;
+ u8 *target_ie;
+ u32 target_ielen;
+ u8 *start;
+ uint search_len;
+
+ if (!ies || !ies_len || *ies_len <= offset)
+ goto exit;
+
+ start = ies + offset;
+ search_len = *ies_len - offset;
+
+ while (1) {
+ target_ie = rtw_get_ie_ex(start, search_len, eid, oui, oui_len, NULL, &target_ielen);
+ if (target_ie && target_ielen) {
+ u8 *remain_ies = target_ie + target_ielen;
+ uint remain_len = search_len - (remain_ies - start);
+
+ _rtw_memmove(target_ie, remain_ies, remain_len);
+ *ies_len = *ies_len - target_ielen;
+ ret = _SUCCESS;
+
+ start = target_ie;
+ search_len = remain_len;
+ } else
+ break;
+ }
+exit:
+ return ret;
+}
+
+ /* Returns: remove size OR _FAIL: not updated*/
+int rtw_remove_ie_g_rate(u8 *ie, uint *ie_len, uint offset, u8 eid)
+{
+ int ret = _FAIL;
+ u8 *tem_target_ie;
+ u8 *target_ie;
+ u32 target_ielen,temp_target_ielen,cck_rate_size,rm_size;
+ u8 *start;
+ uint search_len;
+ u8 *remain_ies;
+ uint remain_len;
+ if (!ie || !ie_len || *ie_len <= offset)
+ goto exit;
+
+ start = ie + offset;
+ search_len = *ie_len - offset;
+
+ while (1) {
+ tem_target_ie=rtw_get_ie(start,eid,&temp_target_ielen,search_len);
+
+ /*if(tem_target_ie)
+ RTW_INFO("%s, tem_target_ie=%u\n", __FUNCTION__,*tem_target_ie);*/
+ if (tem_target_ie && temp_target_ielen) {
+ cck_rate_size = rtw_get_cckrate_size((tem_target_ie+2), temp_target_ielen);
+ rm_size = temp_target_ielen - cck_rate_size;
+ RTW_DBG("%s,cck_rate_size=%u rm_size=%u\n", __FUNCTION__, cck_rate_size, rm_size);
+ temp_target_ielen=temp_target_ielen + 2;/*org size of Supposrted Rates(include id + length)*/
+ /*RTW_INFO("%s, temp_target_ielen=%u\n", __FUNCTION__,temp_target_ielen);*/
+ remain_ies = tem_target_ie + temp_target_ielen;
+ remain_len = search_len - (remain_ies - start);
+ target_ielen=cck_rate_size;/*discount g mode rate 6, 9 12,18Mbps,id , length*/
+ *(tem_target_ie+1)=target_ielen;/*set new length to Supposrted Rates*/
+ target_ie=tem_target_ie+target_ielen + 2;/*set target ie to address of rate 6Mbps */
+
+ _rtw_memmove(target_ie, remain_ies, remain_len);
+ *ie_len = *ie_len - rm_size;
+ ret = rm_size;
+
+ start = target_ie;
+ search_len = remain_len;
+ } else
+ break;
+ }
+exit:
+ return ret;
+}
+void rtw_set_supported_rate(u8 *SupportedRates, uint mode)
+{
+
+ _rtw_memset(SupportedRates, 0, NDIS_802_11_LENGTH_RATES_EX);
+
+ switch (mode) {
+ case WIRELESS_11B:
+ _rtw_memcpy(SupportedRates, WIFI_CCKRATES, IEEE80211_CCK_RATE_LEN);
+ break;
+
+ case WIRELESS_11G:
+ case WIRELESS_11A:
+ case WIRELESS_11_5N:
+ case WIRELESS_11A_5N: /* Todo: no basic rate for ofdm ? */
+ case WIRELESS_11_5AC:
+ _rtw_memcpy(SupportedRates, WIFI_OFDMRATES, IEEE80211_NUM_OFDM_RATESLEN);
+ break;
+
+ case WIRELESS_11BG:
+ case WIRELESS_11G_24N:
+ case WIRELESS_11_24N:
+ case WIRELESS_11BG_24N:
+ _rtw_memcpy(SupportedRates, WIFI_CCKRATES, IEEE80211_CCK_RATE_LEN);
+ _rtw_memcpy(SupportedRates + IEEE80211_CCK_RATE_LEN, WIFI_OFDMRATES, IEEE80211_NUM_OFDM_RATESLEN);
+ break;
+
+ }
+}
+
+uint rtw_get_rateset_len(u8 *rateset)
+{
+ uint i = 0;
+ while (1) {
+ if ((rateset[i]) == 0)
+ break;
+
+ if (i > 12)
+ break;
+
+ i++;
+ }
+ return i;
+}
+
+int rtw_generate_ie(struct registry_priv *pregistrypriv)
+{
+ u8 wireless_mode;
+ int sz = 0, rateLen;
+ WLAN_BSSID_EX *pdev_network = &pregistrypriv->dev_network;
+ u8 *ie = pdev_network->IEs;
+
+
+ /* timestamp will be inserted by hardware */
+ sz += 8;
+ ie += sz;
+
+ /* beacon interval : 2bytes */
+ *(u16 *)ie = cpu_to_le16((u16)pdev_network->Configuration.BeaconPeriod); /* BCN_INTERVAL; */
+ sz += 2;
+ ie += 2;
+
+ /* capability info */
+ *(u16 *)ie = 0;
+
+ *(u16 *)ie |= cpu_to_le16(cap_IBSS);
+
+ if (pregistrypriv->preamble == PREAMBLE_SHORT)
+ *(u16 *)ie |= cpu_to_le16(cap_ShortPremble);
+
+ if (pdev_network->Privacy)
+ *(u16 *)ie |= cpu_to_le16(cap_Privacy);
+
+ sz += 2;
+ ie += 2;
+
+ /* SSID */
+ ie = rtw_set_ie(ie, _SSID_IE_, pdev_network->Ssid.SsidLength, pdev_network->Ssid.Ssid, &sz);
+
+ /* supported rates */
+ if (pregistrypriv->wireless_mode == WIRELESS_11ABGN) {
+ if (pdev_network->Configuration.DSConfig > 14)
+ wireless_mode = WIRELESS_11A_5N;
+ else
+ wireless_mode = WIRELESS_11BG_24N;
+ } else if (pregistrypriv->wireless_mode == WIRELESS_MODE_MAX) { /* WIRELESS_11ABGN | WIRELESS_11AC */
+ if (pdev_network->Configuration.DSConfig > 14)
+ wireless_mode = WIRELESS_11_5AC;
+ else
+ wireless_mode = WIRELESS_11BG_24N;
+ } else
+ wireless_mode = pregistrypriv->wireless_mode;
+
+ rtw_set_supported_rate(pdev_network->SupportedRates, wireless_mode) ;
+
+ rateLen = rtw_get_rateset_len(pdev_network->SupportedRates);
+
+ if (rateLen > 8) {
+ ie = rtw_set_ie(ie, _SUPPORTEDRATES_IE_, 8, pdev_network->SupportedRates, &sz);
+ /* ie = rtw_set_ie(ie, _EXT_SUPPORTEDRATES_IE_, (rateLen - 8), (pdev_network->SupportedRates + 8), &sz); */
+ } else
+ ie = rtw_set_ie(ie, _SUPPORTEDRATES_IE_, rateLen, pdev_network->SupportedRates, &sz);
+
+ /* DS parameter set */
+ ie = rtw_set_ie(ie, _DSSET_IE_, 1, (u8 *)&(pdev_network->Configuration.DSConfig), &sz);
+
+
+ /* IBSS Parameter Set */
+
+ ie = rtw_set_ie(ie, _IBSS_PARA_IE_, 2, (u8 *)&(pdev_network->Configuration.ATIMWindow), &sz);
+
+ if (rateLen > 8)
+ ie = rtw_set_ie(ie, _EXT_SUPPORTEDRATES_IE_, (rateLen - 8), (pdev_network->SupportedRates + 8), &sz);
+
+#ifdef CONFIG_80211N_HT
+ /* HT Cap. */
+ if (is_supported_ht(pregistrypriv->wireless_mode)
+ && (pregistrypriv->ht_enable == _TRUE)) {
+ /* todo: */
+ }
+#endif /* CONFIG_80211N_HT */
+
+ /* pdev_network->IELength = sz; */ /* update IELength */
+
+
+ /* return _SUCCESS; */
+
+ return sz;
+
+}
+
+unsigned char *rtw_get_wpa_ie(unsigned char *pie, int *wpa_ie_len, int limit)
+{
+ int len;
+ u16 val16;
+ unsigned char wpa_oui_type[] = {0x00, 0x50, 0xf2, 0x01};
+ u8 *pbuf = pie;
+ int limit_new = limit;
+
+ while (1) {
+ pbuf = rtw_get_ie(pbuf, _WPA_IE_ID_, &len, limit_new);
+
+ if (pbuf) {
+
+ /* check if oui matches... */
+ if (_rtw_memcmp((pbuf + 2), wpa_oui_type, sizeof(wpa_oui_type)) == _FALSE)
+
+ goto check_next_ie;
+
+ /* check version... */
+ _rtw_memcpy((u8 *)&val16, (pbuf + 6), sizeof(val16));
+
+ val16 = le16_to_cpu(val16);
+ if (val16 != 0x0001)
+ goto check_next_ie;
+
+ *wpa_ie_len = *(pbuf + 1);
+
+ return pbuf;
+
+ } else {
+
+ *wpa_ie_len = 0;
+ return NULL;
+ }
+
+check_next_ie:
+
+ limit_new = limit - (pbuf - pie) - 2 - len;
+
+ if (limit_new <= 0)
+ break;
+
+ pbuf += (2 + len);
+
+ }
+
+ *wpa_ie_len = 0;
+
+ return NULL;
+
+}
+
+unsigned char *rtw_get_wpa2_ie(unsigned char *pie, int *rsn_ie_len, int limit)
+{
+
+ return rtw_get_ie(pie, _WPA2_IE_ID_, rsn_ie_len, limit);
+
+}
+
+int rtw_get_wpa_cipher_suite(u8 *s)
+{
+ if (_rtw_memcmp(s, WPA_CIPHER_SUITE_NONE, WPA_SELECTOR_LEN) == _TRUE)
+ return WPA_CIPHER_NONE;
+ if (_rtw_memcmp(s, WPA_CIPHER_SUITE_WEP40, WPA_SELECTOR_LEN) == _TRUE)
+ return WPA_CIPHER_WEP40;
+ if (_rtw_memcmp(s, WPA_CIPHER_SUITE_TKIP, WPA_SELECTOR_LEN) == _TRUE)
+ return WPA_CIPHER_TKIP;
+ if (_rtw_memcmp(s, WPA_CIPHER_SUITE_CCMP, WPA_SELECTOR_LEN) == _TRUE)
+ return WPA_CIPHER_CCMP;
+ if (_rtw_memcmp(s, WPA_CIPHER_SUITE_WEP104, WPA_SELECTOR_LEN) == _TRUE)
+ return WPA_CIPHER_WEP104;
+
+ return 0;
+}
+
+int rtw_get_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) {
+
+ return _FAIL;
+ }
+
+
+ /* pairwise_cipher */
+ if (left >= 2) {
+ /* count = le16_to_cpu(*(u16*)pos); */
+ count = RTW_GET_LE16(pos);
+ pos += 2;
+ left -= 2;
+
+ if (count == 0 || left < count * WPA_SELECTOR_LEN) {
+ return _FAIL;
+ }
+
+ for (i = 0; i < count; i++) {
+ *pairwise_cipher |= rtw_get_wpa_cipher_suite(pos);
+
+ pos += WPA_SELECTOR_LEN;
+ left -= WPA_SELECTOR_LEN;
+ }
+
+ } else if (left == 1) {
+ return _FAIL;
+ }
+
+ if (is_8021x) {
+ if (left >= 6) {
+ pos += 2;
+ if (_rtw_memcmp(pos, SUITE_1X, 4) == 1) {
+ *is_8021x = 1;
+ }
+ }
+ }
+
+ return ret;
+
+}
+
+int rtw_rsne_info_parse(const u8 *ie, uint ie_len, struct rsne_info *info)
+{
+ const u8 *pos = ie;
+ u16 cnt;
+
+ _rtw_memset(info, 0, sizeof(struct rsne_info));
+
+ if (ie + ie_len < pos + 4)
+ goto err;
+
+ if (*ie != WLAN_EID_RSN || *(ie + 1) != ie_len - 2)
+ goto err;
+ pos += 2 + 2;
+
+ /* Group CS */
+ if (ie + ie_len < pos + 4) {
+ if (ie + ie_len != pos)
+ goto err;
+ goto exit;
+ }
+ info->gcs = (u8 *)pos;
+ pos += 4;
+
+ /* Pairwise CS */
+ if (ie + ie_len < pos + 2) {
+ if (ie + ie_len != pos)
+ goto err;
+ goto exit;
+ }
+ cnt = RTW_GET_LE16(pos);
+ pos += 2;
+ if (ie + ie_len < pos + 4 * cnt) {
+ if (ie + ie_len != pos)
+ goto err;
+ goto exit;
+ }
+ info->pcs_cnt = cnt;
+ info->pcs_list = (u8 *)pos;
+ pos += 4 * cnt;
+
+ /* AKM */
+ if (ie + ie_len < pos + 2) {
+ if (ie + ie_len != pos)
+ goto err;
+ goto exit;
+ }
+ cnt = RTW_GET_LE16(pos);
+ pos += 2;
+ if (ie + ie_len < pos + 4 * cnt) {
+ if (ie + ie_len != pos)
+ goto err;
+ goto exit;
+ }
+ info->akm_cnt = cnt;
+ info->akm_list = (u8 *)pos;
+ pos += 4 * cnt;
+
+ /* RSN cap */
+ if (ie + ie_len < pos + 2) {
+ if (ie + ie_len != pos)
+ goto err;
+ goto exit;
+ }
+ info->cap = (u8 *)pos;
+ pos += 2;
+
+ /* PMKID */
+ if (ie + ie_len < pos + 2) {
+ if (ie + ie_len != pos)
+ goto err;
+ goto exit;
+ }
+ cnt = RTW_GET_LE16(pos);
+ pos += 2;
+ if (ie + ie_len < pos + 16 * cnt) {
+ if (ie + ie_len != pos)
+ goto err;
+ goto exit;
+ }
+ info->pmkid_cnt = cnt;
+ info->pmkid_list = (u8 *)pos;
+ pos += 16 * cnt;
+
+ /* Group Mgmt CS */
+ if (ie + ie_len < pos + 4) {
+ if (ie + ie_len != pos)
+ goto err;
+ goto exit;
+ }
+ info->gmcs = (u8 *)pos;
+
+exit:
+ return _SUCCESS;
+
+err:
+ info->err = 1;
+ return _FAIL;
+}
+
+int rtw_parse_wpa2_ie(u8 *rsn_ie, int rsn_ie_len, int *group_cipher, int *pairwise_cipher, int *is_8021x, u8 *mfp_opt)
+{
+ struct rsne_info info;
+ int i, ret = _SUCCESS;
+ u8 SUITE_1X[4] = {0x00, 0x0f, 0xac, 0x01};
+
+ ret = rtw_rsne_info_parse(rsn_ie, rsn_ie_len, &info);
+ if (ret != _SUCCESS)
+ goto exit;
+
+ if (group_cipher) {
+ if (info.gcs)
+ *group_cipher = rtw_get_wpa2_cipher_suite(info.gcs);
+ else
+ *group_cipher = 0;
+ }
+
+ if (pairwise_cipher) {
+ *pairwise_cipher = 0;
+ for (i = 0; i < info.pcs_cnt; i++)
+ *pairwise_cipher |= rtw_get_wpa2_cipher_suite(info.pcs_list + 4 * i);
+ }
+
+ if (is_8021x) {
+ *is_8021x = 0;
+ /* here only check the first AKM suite */
+ if (info.akm_cnt && _rtw_memcmp(SUITE_1X, info.akm_list, 4) == _TRUE)
+ *is_8021x = 1;
+ }
+
+ if (mfp_opt) {
+ *mfp_opt = MFP_NO;
+ if (info.cap)
+ *mfp_opt = GET_RSN_CAP_MFP_OPTION(info.cap);
+ }
+
+exit:
+ return ret;
+}
+
+/* #ifdef CONFIG_WAPI_SUPPORT */
+int rtw_get_wapi_ie(u8 *in_ie, uint in_len, u8 *wapi_ie, u16 *wapi_len)
+{
+ int len = 0;
+ u8 authmode;
+ uint cnt;
+ u8 wapi_oui1[4] = {0x0, 0x14, 0x72, 0x01};
+ u8 wapi_oui2[4] = {0x0, 0x14, 0x72, 0x02};
+
+
+ if (wapi_len)
+ *wapi_len = 0;
+
+ if (!in_ie || in_len <= 0)
+ return len;
+
+ cnt = (_TIMESTAMP_ + _BEACON_ITERVAL_ + _CAPABILITY_);
+
+ while (cnt < in_len) {
+ authmode = in_ie[cnt];
+
+ /* if(authmode==_WAPI_IE_) */
+ if (authmode == _WAPI_IE_ && (_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);
+
+ if (wapi_len)
+ *wapi_len = in_ie[cnt + 1] + 2;
+
+ cnt += in_ie[cnt + 1] + 2; /* get next */
+ } else {
+ cnt += in_ie[cnt + 1] + 2; /* get next */
+ }
+ }
+
+ if (wapi_len)
+ len = *wapi_len;
+
+
+ return len;
+
+}
+/* #endif */
+
+int rtw_get_sec_ie(u8 *in_ie, uint in_len, u8 *rsn_ie, u16 *rsn_len, u8 *wpa_ie, u16 *wpa_len)
+{
+ u8 authmode, sec_idx;
+ u8 wpa_oui[4] = {0x0, 0x50, 0xf2, 0x01};
+ uint cnt;
+
+
+ /* Search required WPA or WPA2 IE and copy to sec_ie[ ] */
+
+ cnt = (_TIMESTAMP_ + _BEACON_ITERVAL_ + _CAPABILITY_);
+
+ sec_idx = 0;
+
+ while (cnt < in_len) {
+ authmode = in_ie[cnt];
+
+ if ((authmode == _WPA_IE_ID_) && (_rtw_memcmp(&in_ie[cnt + 2], &wpa_oui[0], 4) == _TRUE)) {
+
+ if (wpa_ie)
+ _rtw_memcpy(wpa_ie, &in_ie[cnt], in_ie[cnt + 1] + 2);
+
+ *wpa_len = in_ie[cnt + 1] + 2;
+ cnt += in_ie[cnt + 1] + 2; /* get next */
+ } else {
+ if (authmode == _WPA2_IE_ID_) {
+
+ if (rsn_ie)
+ _rtw_memcpy(rsn_ie, &in_ie[cnt], in_ie[cnt + 1] + 2);
+
+ *rsn_len = in_ie[cnt + 1] + 2;
+ cnt += in_ie[cnt + 1] + 2; /* get next */
+ } else {
+ cnt += in_ie[cnt + 1] + 2; /* get next */
+ }
+ }
+
+ }
+
+
+ return *rsn_len + *wpa_len;
+
+}
+
+u8 rtw_is_wps_ie(u8 *ie_ptr, uint *wps_ielen)
+{
+ u8 match = _FALSE;
+ u8 eid, wps_oui[4] = {0x0, 0x50, 0xf2, 0x04};
+
+ if (ie_ptr == NULL)
+ return match;
+
+ eid = ie_ptr[0];
+
+ if ((eid == _WPA_IE_ID_) && (_rtw_memcmp(&ie_ptr[2], wps_oui, 4) == _TRUE)) {
+ /* RTW_INFO("==> 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, enum bss_type frame_type)
+{
+ u8 *wps = NULL;
+
+ RTW_INFO("[%s] frame_type = %d\n", __FUNCTION__, frame_type);
+ switch (frame_type) {
+ case BSS_TYPE_BCN:
+ case BSS_TYPE_PROB_RSP: {
+ /* 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 BSS_TYPE_PROB_REQ: {
+ /* Probe Request */
+ wps = rtw_get_wps_ie(in_ie + _PROBEREQ_IE_OFFSET_ , in_len - _PROBEREQ_IE_OFFSET_ , wps_ie, wps_ielen);
+ break;
+ }
+ default:
+ case BSS_TYPE_UNDEF:
+ 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(const u8 *in_ie, uint in_len, u8 *wps_ie, uint *wps_ielen)
+{
+ uint cnt;
+ const u8 *wpsie_ptr = NULL;
+ u8 eid, wps_oui[4] = {0x00, 0x50, 0xf2, 0x04};
+
+ if (wps_ielen)
+ *wps_ielen = 0;
+
+ if (!in_ie) {
+ rtw_warn_on(1);
+ return (u8 *)wpsie_ptr;
+ }
+
+ if (in_len <= 0)
+ return (u8 *)wpsie_ptr;
+
+ cnt = 0;
+
+ while (cnt + 1 + 4 < in_len) {
+ eid = in_ie[cnt];
+
+ if (cnt + 1 + 4 >= MAX_IE_SZ) {
+ rtw_warn_on(1);
+ return NULL;
+ }
+
+ if (eid == WLAN_EID_VENDOR_SPECIFIC && _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;
+
+ break;
+ } else
+ cnt += in_ie[cnt + 1] + 2;
+
+ }
+
+ return (u8 *)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;
+
+ /* RTW_INFO("%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) {
+ RTW_INFO("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) {
+ RTW_DBG("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:
+ RTW_DBG("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:
+ RTW_DBG("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:
+ RTW_DBG("Unknown Broadcom "
+ "information element ignored "
+ "(type=%d len=%lu)\n",
+ pos[3], (unsigned long) elen);
+ return -1;
+ }
+ break;
+
+ default:
+ RTW_DBG("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) {
+ RTW_INFO("IEEE 802.11 element "
+ "parse failed (id=%d elen=%d "
+ "left=%lu)\n",
+ id, elen, (unsigned long) left);
+ }
+ return ParseFailed;
+ }
+
+ switch (id) {
+ case WLAN_EID_SSID:
+ elems->ssid = pos;
+ elems->ssid_len = elen;
+ break;
+ case WLAN_EID_SUPP_RATES:
+ elems->supp_rates = pos;
+ elems->supp_rates_len = elen;
+ break;
+ case WLAN_EID_FH_PARAMS:
+ elems->fh_params = pos;
+ elems->fh_params_len = elen;
+ break;
+ case WLAN_EID_DS_PARAMS:
+ elems->ds_params = pos;
+ elems->ds_params_len = elen;
+ break;
+ case WLAN_EID_CF_PARAMS:
+ elems->cf_params = pos;
+ elems->cf_params_len = elen;
+ break;
+ case WLAN_EID_TIM:
+ elems->tim = pos;
+ elems->tim_len = elen;
+ break;
+ case WLAN_EID_IBSS_PARAMS:
+ elems->ibss_params = pos;
+ elems->ibss_params_len = elen;
+ break;
+ case WLAN_EID_CHALLENGE:
+ elems->challenge = pos;
+ elems->challenge_len = elen;
+ break;
+ case WLAN_EID_ERP_INFO:
+ elems->erp_info = pos;
+ elems->erp_info_len = elen;
+ break;
+ case WLAN_EID_EXT_SUPP_RATES:
+ elems->ext_supp_rates = pos;
+ elems->ext_supp_rates_len = elen;
+ break;
+ case WLAN_EID_VENDOR_SPECIFIC:
+ if (rtw_ieee802_11_parse_vendor_specific(pos, elen,
+ elems,
+ show_errors))
+ unknown++;
+ break;
+ case WLAN_EID_RSN:
+ elems->rsn_ie = pos;
+ elems->rsn_ie_len = elen;
+ break;
+ case WLAN_EID_PWR_CAPABILITY:
+ elems->power_cap = pos;
+ elems->power_cap_len = elen;
+ break;
+ case WLAN_EID_SUPPORTED_CHANNELS:
+ elems->supp_channels = pos;
+ elems->supp_channels_len = elen;
+ break;
+ case WLAN_EID_MOBILITY_DOMAIN:
+ elems->mdie = pos;
+ elems->mdie_len = elen;
+ break;
+ case WLAN_EID_FAST_BSS_TRANSITION:
+ elems->ftie = pos;
+ elems->ftie_len = elen;
+ break;
+ case WLAN_EID_TIMEOUT_INTERVAL:
+ elems->timeout_int = pos;
+ elems->timeout_int_len = elen;
+ break;
+ case WLAN_EID_HT_CAP:
+ elems->ht_capabilities = pos;
+ elems->ht_capabilities_len = elen;
+ break;
+ case WLAN_EID_HT_OPERATION:
+ elems->ht_operation = pos;
+ elems->ht_operation_len = elen;
+ break;
+ case WLAN_EID_VHT_CAPABILITY:
+ elems->vht_capabilities = pos;
+ elems->vht_capabilities_len = elen;
+ break;
+ case WLAN_EID_VHT_OPERATION:
+ elems->vht_operation = pos;
+ elems->vht_operation_len = elen;
+ break;
+ case WLAN_EID_VHT_OP_MODE_NOTIFY:
+ elems->vht_op_mode_notify = pos;
+ elems->vht_op_mode_notify_len = elen;
+ break;
+ case _EID_RRM_EN_CAP_IE_:
+ elems->rm_en_cap = pos;
+ elems->rm_en_cap_len = elen;
+ break;
+#ifdef CONFIG_RTW_MESH
+ case WLAN_EID_PREQ:
+ elems->preq = pos;
+ elems->preq_len = elen;
+ break;
+ case WLAN_EID_PREP:
+ elems->prep = pos;
+ elems->prep_len = elen;
+ break;
+ case WLAN_EID_PERR:
+ elems->perr = pos;
+ elems->perr_len = elen;
+ break;
+ case WLAN_EID_RANN:
+ elems->rann = pos;
+ elems->rann_len = elen;
+ break;
+#endif
+ default:
+ unknown++;
+ if (!show_errors)
+ break;
+ RTW_DBG("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);
+}
+
+void macstr2num(u8 *dst, u8 *src);
+void macstr2num(u8 *dst, u8 *src)
+{
+ int jj, kk;
+ for (jj = 0, kk = 0; jj < ETH_ALEN; jj++, kk += 3)
+ dst[jj] = key_2char2num(src[kk], src[kk + 1]);
+}
+
+u8 convert_ip_addr(u8 hch, u8 mch, u8 lch)
+{
+ return (key_char2num(hch) * 100) + (key_char2num(mch) * 10) + key_char2num(lch);
+}
+
+#ifdef CONFIG_PLATFORM_INTEL_BYT
+#define MAC_ADDRESS_LEN 12
+
+int rtw_get_mac_addr_intel(unsigned char *buf)
+{
+ int ret = 0;
+ int i;
+ struct file *fp = NULL;
+ mm_segment_t oldfs;
+ unsigned char c_mac[MAC_ADDRESS_LEN];
+ char fname[] = "/config/wifi/mac.txt";
+ int jj, kk;
+
+ RTW_INFO("%s Enter\n", __FUNCTION__);
+
+ ret = rtw_retrieve_from_file(fname, c_mac, MAC_ADDRESS_LEN);
+ if (ret < MAC_ADDRESS_LEN)
+ return -1;
+
+ for (jj = 0, kk = 0; jj < ETH_ALEN; jj++, kk += 2)
+ buf[jj] = key_2char2num(c_mac[kk], c_mac[kk + 1]);
+
+ RTW_INFO("%s: read from file mac address: "MAC_FMT"\n",
+ __FUNCTION__, MAC_ARG(buf));
+
+ return 0;
+}
+#endif /* CONFIG_PLATFORM_INTEL_BYT */
+
+/*
+ * Description:
+ * rtw_check_invalid_mac_address:
+ * This is only used for checking mac address valid or not.
+ *
+ * Input:
+ * adapter: mac_address pointer.
+ * check_local_bit: check locally bit or not.
+ *
+ * Output:
+ * _TRUE: The mac address is invalid.
+ * _FALSE: The mac address is valid.
+ *
+ * Auther: Isaac.Li
+ */
+u8 rtw_check_invalid_mac_address(u8 *mac_addr, u8 check_local_bit)
+{
+ u8 null_mac_addr[ETH_ALEN] = {0, 0, 0, 0, 0, 0};
+ u8 multi_mac_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
+ u8 res = _FALSE;
+
+ if (_rtw_memcmp(mac_addr, null_mac_addr, ETH_ALEN)) {
+ res = _TRUE;
+ goto func_exit;
+ }
+
+ if (_rtw_memcmp(mac_addr, multi_mac_addr, ETH_ALEN)) {
+ res = _TRUE;
+ goto func_exit;
+ }
+
+ if (mac_addr[0] & BIT0) {
+ res = _TRUE;
+ goto func_exit;
+ }
+
+ if (check_local_bit == _TRUE) {
+ if (mac_addr[0] & BIT1) {
+ res = _TRUE;
+ goto func_exit;
+ }
+ }
+
+func_exit:
+ return res;
+}
+
+extern char *rtw_initmac;
+/**
+ * rtw_macaddr_cfg - Decide the mac address used
+ * @out: buf to store mac address decided
+ * @hw_mac_addr: mac address from efuse/epprom
+ */
+void rtw_macaddr_cfg(u8 *out, const u8 *hw_mac_addr)
+{
+#define DEFAULT_RANDOM_MACADDR 1
+ u8 mac[ETH_ALEN];
+
+ if (out == NULL) {
+ rtw_warn_on(1);
+ return;
+ }
+
+ /* Users specify the mac address */
+ if (rtw_initmac) {
+ 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]);
+
+ goto err_chk;
+ }
+
+ /* platform specified */
+#ifdef CONFIG_PLATFORM_INTEL_BYT
+ if (rtw_get_mac_addr_intel(mac) == 0)
+ goto err_chk;
+#endif
+
+ /* Use the mac address stored in the Efuse */
+ if (hw_mac_addr) {
+ _rtw_memcpy(mac, hw_mac_addr, ETH_ALEN);
+ goto err_chk;
+ }
+
+err_chk:
+ if (rtw_check_invalid_mac_address(mac, _TRUE) == _TRUE) {
+#if DEFAULT_RANDOM_MACADDR
+ RTW_ERR("invalid mac addr:"MAC_FMT", assign random MAC\n", MAC_ARG(mac));
+ *((u32 *)(&mac[2])) = rtw_random32();
+ mac[0] = 0x00;
+ mac[1] = 0xe0;
+ mac[2] = 0x4c;
+#else
+ RTW_ERR("invalid mac addr:"MAC_FMT", assign default one\n", MAC_ARG(mac));
+ mac[0] = 0x00;
+ mac[1] = 0xe0;
+ mac[2] = 0x4c;
+ mac[3] = 0x87;
+ mac[4] = 0x00;
+ mac[5] = 0x00;
+#endif
+ }
+
+ _rtw_memcpy(out, mac, ETH_ALEN);
+ RTW_INFO("%s mac addr:"MAC_FMT"\n", __func__, MAC_ARG(out));
+}
+
+#ifdef CONFIG_80211N_HT
+void dump_ht_cap_ie_content(void *sel, const u8 *buf, u32 buf_len)
+{
+ if (buf_len != HT_CAP_IE_LEN) {
+ RTW_PRINT_SEL(sel, "Invalid HT capability IE len:%d != %d\n", buf_len, HT_CAP_IE_LEN);
+ return;
+ }
+
+ RTW_PRINT_SEL(sel, "cap_info:%02x%02x:%s\n", *(buf), *(buf + 1)
+ , GET_HT_CAP_ELE_CHL_WIDTH(buf) ? " 40MHz" : " 20MHz");
+ RTW_PRINT_SEL(sel, "A-MPDU Parameters:"HT_AMPDU_PARA_FMT"\n"
+ , HT_AMPDU_PARA_ARG(HT_CAP_ELE_AMPDU_PARA(buf)));
+ RTW_PRINT_SEL(sel, "Supported MCS Set:"HT_SUP_MCS_SET_FMT"\n"
+ , HT_SUP_MCS_SET_ARG(HT_CAP_ELE_SUP_MCS_SET(buf)));
+}
+
+void dump_ht_cap_ie(void *sel, const u8 *ie, u32 ie_len)
+{
+ const u8 *ht_cap_ie;
+ sint ht_cap_ielen;
+
+ ht_cap_ie = rtw_get_ie(ie, WLAN_EID_HT_CAP, &ht_cap_ielen, ie_len);
+ if (!ie || ht_cap_ie != ie)
+ return;
+
+ dump_ht_cap_ie_content(sel, ht_cap_ie + 2, ht_cap_ielen);
+}
+
+const char *const _ht_sc_offset_str[] = {
+ "SCN",
+ "SCA",
+ "SC-RSVD",
+ "SCB",
+};
+
+void dump_ht_op_ie_content(void *sel, const u8 *buf, u32 buf_len)
+{
+ if (buf_len != HT_OP_IE_LEN) {
+ RTW_PRINT_SEL(sel, "Invalid HT operation IE len:%d != %d\n", buf_len, HT_OP_IE_LEN);
+ return;
+ }
+
+ RTW_PRINT_SEL(sel, "ch:%u%s %s\n"
+ , GET_HT_OP_ELE_PRI_CHL(buf)
+ , GET_HT_OP_ELE_STA_CHL_WIDTH(buf) ? "" : " 20MHz only"
+ , ht_sc_offset_str(GET_HT_OP_ELE_2ND_CHL_OFFSET(buf))
+ );
+}
+
+void dump_ht_op_ie(void *sel, const u8 *ie, u32 ie_len)
+{
+ const u8 *ht_op_ie;
+ sint ht_op_ielen;
+
+ ht_op_ie = rtw_get_ie(ie, WLAN_EID_HT_OPERATION, &ht_op_ielen, ie_len);
+ if (!ie || ht_op_ie != ie)
+ return;
+
+ dump_ht_op_ie_content(sel, ht_op_ie + 2, ht_op_ielen);
+}
+#endif /* CONFIG_80211N_HT */
+
+void dump_ies(void *sel, const u8 *buf, u32 buf_len)
+{
+ const u8 *pos = buf;
+ u8 id, len;
+
+ while (pos - buf + 1 < buf_len) {
+ id = *pos;
+ len = *(pos + 1);
+
+ RTW_PRINT_SEL(sel, "%s ID:%u, LEN:%u\n", __FUNCTION__, id, len);
+#ifdef CONFIG_80211N_HT
+ dump_ht_cap_ie(sel, pos, len + 2);
+ dump_ht_op_ie(sel, pos, len + 2);
+#endif
+#ifdef CONFIG_80211AC_VHT
+ dump_vht_cap_ie(sel, pos, len + 2);
+ dump_vht_op_ie(sel, pos, len + 2);
+#endif
+ dump_wps_ie(sel, pos, len + 2);
+#ifdef CONFIG_P2P
+ dump_p2p_ie(sel, pos, len + 2);
+#ifdef CONFIG_WFD
+ dump_wfd_ie(sel, pos, len + 2);
+#endif
+#endif
+
+ pos += (2 + len);
+ }
+}
+
+void dump_wps_ie(void *sel, const u8 *ie, u32 ie_len)
+{
+ const u8 *pos = ie;
+ u16 id;
+ u16 len;
+
+ const 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 + 4 <= ie_len) {
+ id = RTW_GET_BE16(pos);
+ len = RTW_GET_BE16(pos + 2);
+
+ RTW_PRINT_SEL(sel, "%s ID:0x%04x, LEN:%u%s\n", __func__, id, len
+ , ((pos - ie + 4 + len) <= ie_len) ? "" : "(exceed ie_len)");
+
+ pos += (4 + len);
+ }
+}
+
+/**
+ * rtw_ies_get_chbw - get operation ch, bw, offset from IEs of BSS.
+ * @ies: pointer of the first tlv IE
+ * @ies_len: length of @ies
+ * @ch: pointer of ch, used as output
+ * @bw: pointer of bw, used as output
+ * @offset: pointer of offset, used as output
+ * @ht: check HT IEs
+ * @vht: check VHT IEs, if true imply ht is true
+ */
+void rtw_ies_get_chbw(u8 *ies, int ies_len, u8 *ch, u8 *bw, u8 *offset, u8 ht, u8 vht)
+{
+ u8 *p;
+ int ie_len;
+
+ *ch = 0;
+ *bw = CHANNEL_WIDTH_20;
+ *offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
+
+ p = rtw_get_ie(ies, _DSSET_IE_, &ie_len, ies_len);
+ if (p && ie_len > 0)
+ *ch = *(p + 2);
+
+#ifdef CONFIG_80211N_HT
+ if (ht || vht) {
+ u8 *ht_cap_ie, *ht_op_ie;
+ int ht_cap_ielen, ht_op_ielen;
+
+ ht_cap_ie = rtw_get_ie(ies, EID_HTCapability, &ht_cap_ielen, ies_len);
+ if (ht_cap_ie && ht_cap_ielen) {
+ if (GET_HT_CAP_ELE_CHL_WIDTH(ht_cap_ie + 2))
+ *bw = CHANNEL_WIDTH_40;
+ }
+
+ ht_op_ie = rtw_get_ie(ies, EID_HTInfo, &ht_op_ielen, ies_len);
+ if (ht_op_ie && ht_op_ielen) {
+ if (*ch == 0)
+ *ch = GET_HT_OP_ELE_PRI_CHL(ht_op_ie + 2);
+ else if (*ch != 0 && *ch != GET_HT_OP_ELE_PRI_CHL(ht_op_ie + 2)) {
+ RTW_INFO("%s ch inconsistent, DSSS:%u, HT primary:%u\n"
+ , __func__, *ch, GET_HT_OP_ELE_PRI_CHL(ht_op_ie + 2));
+ }
+
+ if (!GET_HT_OP_ELE_STA_CHL_WIDTH(ht_op_ie + 2))
+ *bw = CHANNEL_WIDTH_20;
+
+ if (*bw == CHANNEL_WIDTH_40) {
+ switch (GET_HT_OP_ELE_2ND_CHL_OFFSET(ht_op_ie + 2)) {
+ case SCA:
+ *offset = HAL_PRIME_CHNL_OFFSET_LOWER;
+ break;
+ case SCB:
+ *offset = HAL_PRIME_CHNL_OFFSET_UPPER;
+ break;
+ }
+ }
+ }
+
+#ifdef CONFIG_80211AC_VHT
+ if (vht) {
+ u8 *vht_op_ie;
+ int vht_op_ielen;
+
+ vht_op_ie = rtw_get_ie(ies, EID_VHTOperation, &vht_op_ielen, ies_len);
+ if (vht_op_ie && vht_op_ielen) {
+ if (GET_VHT_OPERATION_ELE_CHL_WIDTH(vht_op_ie + 2) >= 1)
+ *bw = CHANNEL_WIDTH_80;
+ }
+ }
+#endif /* CONFIG_80211AC_VHT */
+
+ }
+#endif /* CONFIG_80211N_HT */
+}
+
+void rtw_bss_get_chbw(WLAN_BSSID_EX *bss, u8 *ch, u8 *bw, u8 *offset, u8 ht, u8 vht)
+{
+ rtw_ies_get_chbw(bss->IEs + sizeof(NDIS_802_11_FIXED_IEs)
+ , bss->IELength - sizeof(NDIS_802_11_FIXED_IEs)
+ , ch, bw, offset, ht, vht);
+
+ if (*ch == 0)
+ *ch = bss->Configuration.DSConfig;
+ else if (*ch != bss->Configuration.DSConfig) {
+ RTW_INFO("inconsistent ch - ies:%u bss->Configuration.DSConfig:%u\n"
+ , *ch, bss->Configuration.DSConfig);
+ *ch = bss->Configuration.DSConfig;
+ rtw_warn_on(1);
+ }
+}
+
+/**
+ * rtw_is_chbw_grouped - test if the two ch settings can be grouped together
+ * @ch_a: ch of set a
+ * @bw_a: bw of set a
+ * @offset_a: offset of set a
+ * @ch_b: ch of set b
+ * @bw_b: bw of set b
+ * @offset_b: offset of set b
+ */
+bool rtw_is_chbw_grouped(u8 ch_a, u8 bw_a, u8 offset_a
+ , u8 ch_b, u8 bw_b, u8 offset_b)
+{
+ bool is_grouped = _FALSE;
+
+ if (ch_a != ch_b) {
+ /* ch is different */
+ goto exit;
+ } else if ((bw_a == CHANNEL_WIDTH_40 || bw_a == CHANNEL_WIDTH_80)
+ && (bw_b == CHANNEL_WIDTH_40 || bw_b == CHANNEL_WIDTH_80)
+ ) {
+ if (offset_a != offset_b)
+ goto exit;
+ }
+
+ is_grouped = _TRUE;
+
+exit:
+ return is_grouped;
+}
+
+/**
+ * rtw_sync_chbw - obey g_ch, adjust g_bw, g_offset, bw, offset
+ * @req_ch: pointer of the request ch, may be modified further
+ * @req_bw: pointer of the request bw, may be modified further
+ * @req_offset: pointer of the request offset, may be modified further
+ * @g_ch: pointer of the ongoing group ch
+ * @g_bw: pointer of the ongoing group bw, may be modified further
+ * @g_offset: pointer of the ongoing group offset, may be modified further
+ */
+void rtw_sync_chbw(u8 *req_ch, u8 *req_bw, u8 *req_offset
+ , u8 *g_ch, u8 *g_bw, u8 *g_offset)
+{
+
+ *req_ch = *g_ch;
+
+ if (*req_bw == CHANNEL_WIDTH_80 && *g_ch <= 14) {
+ /*2.4G ch, downgrade to 40Mhz */
+ *req_bw = CHANNEL_WIDTH_40;
+ }
+
+ switch (*req_bw) {
+ case CHANNEL_WIDTH_80:
+ if (*g_bw == CHANNEL_WIDTH_40 || *g_bw == CHANNEL_WIDTH_80)
+ *req_offset = *g_offset;
+ else if (*g_bw == CHANNEL_WIDTH_20)
+ rtw_get_offset_by_chbw(*req_ch, *req_bw, req_offset);
+
+ if (*req_offset == HAL_PRIME_CHNL_OFFSET_DONT_CARE) {
+ RTW_ERR("%s req 80MHz BW without offset, down to 20MHz\n", __func__);
+ rtw_warn_on(1);
+ *req_bw = CHANNEL_WIDTH_20;
+ }
+ break;
+ case CHANNEL_WIDTH_40:
+ if (*g_bw == CHANNEL_WIDTH_40 || *g_bw == CHANNEL_WIDTH_80)
+ *req_offset = *g_offset;
+ else if (*g_bw == CHANNEL_WIDTH_20)
+ rtw_get_offset_by_chbw(*req_ch, *req_bw, req_offset);
+
+ if (*req_offset == HAL_PRIME_CHNL_OFFSET_DONT_CARE) {
+ RTW_ERR("%s req 40MHz BW without offset, down to 20MHz\n", __func__);
+ rtw_warn_on(1);
+ *req_bw = CHANNEL_WIDTH_20;
+ }
+ break;
+ case CHANNEL_WIDTH_20:
+ *req_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
+ break;
+ default:
+ RTW_ERR("%s req unsupported BW:%u\n", __func__, *req_bw);
+ rtw_warn_on(1);
+ }
+
+ if (*req_bw > *g_bw) {
+ *g_bw = *req_bw;
+ *g_offset = *req_offset;
+ }
+}
+
+/**
+ * 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 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(void *sel, const u8 *ie, u32 ie_len)
+{
+ const u8 *pos = ie;
+ u8 id;
+ u16 len;
+
+ const 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 + 3 <= ie_len) {
+ id = *pos;
+ len = RTW_GET_LE16(pos + 1);
+
+ RTW_PRINT_SEL(sel, "%s ID:%u, LEN:%u%s\n", __func__, id, len
+ , ((pos - ie + 3 + len) <= ie_len) ? "" : "(exceed ie_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(const u8 *in_ie, int in_len, u8 *p2p_ie, uint *p2p_ielen)
+{
+ uint cnt;
+ const u8 *p2p_ie_ptr = NULL;
+ u8 eid, p2p_oui[4] = {0x50, 0x6F, 0x9A, 0x09};
+
+ if (p2p_ielen)
+ *p2p_ielen = 0;
+
+ if (!in_ie || in_len < 0) {
+ rtw_warn_on(1);
+ return (u8 *)p2p_ie_ptr;
+ }
+
+ if (in_len <= 0)
+ return (u8 *)p2p_ie_ptr;
+
+ cnt = 0;
+
+ while (cnt + 1 + 4 < in_len) {
+ eid = in_ie[cnt];
+
+ if (cnt + 1 + 4 >= MAX_IE_SZ) {
+ rtw_warn_on(1);
+ return NULL;
+ }
+
+ if (eid == WLAN_EID_VENDOR_SPECIFIC && _rtw_memcmp(&in_ie[cnt + 2], p2p_oui, 4) == _TRUE) {
+ p2p_ie_ptr = in_ie + cnt;
+
+ if (p2p_ie)
+ _rtw_memcpy(p2p_ie, &in_ie[cnt], in_ie[cnt + 1] + 2);
+
+ if (p2p_ielen)
+ *p2p_ielen = in_ie[cnt + 1] + 2;
+
+ break;
+ } else
+ cnt += in_ie[cnt + 1] + 2;
+
+ }
+
+ return (u8 *)p2p_ie_ptr;
+}
+
+/**
+ * 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_ielen <= 6
+ || (p2p_ie[0] != WLAN_EID_VENDOR_SPECIFIC)
+ || (_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 + 3) <= 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;
+
+ if (0)
+ RTW_INFO("%s attr_ptr:%p, id:%u, length:%u\n", __func__, attr_ptr, attr_id, attr_data_len);
+
+ if ((attr_ptr - p2p_ie + attr_len) > p2p_ielen)
+ break;
+
+ 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;
+ }
+
+ 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;
+}
+
+uint rtw_del_p2p_ie(u8 *ies, uint ies_len_ori, const char *msg)
+{
+#define DBG_DEL_P2P_IE 0
+
+ u8 *target_ie;
+ u32 target_ie_len;
+ uint ies_len = ies_len_ori;
+ int index = 0;
+
+ while (1) {
+ target_ie = rtw_get_p2p_ie(ies, ies_len, NULL, &target_ie_len);
+ if (target_ie && target_ie_len) {
+ u8 *next_ie = target_ie + target_ie_len;
+ uint remain_len = ies_len - (next_ie - ies);
+
+ if (DBG_DEL_P2P_IE && msg) {
+ RTW_INFO("%s %d before\n", __func__, index);
+ dump_ies(RTW_DBGDUMP, ies, ies_len);
+
+ RTW_INFO("ies:%p, ies_len:%u\n", ies, ies_len);
+ RTW_INFO("target_ie:%p, target_ie_len:%u\n", target_ie, target_ie_len);
+ RTW_INFO("next_ie:%p, remain_len:%u\n", next_ie, remain_len);
+ }
+
+ _rtw_memmove(target_ie, next_ie, remain_len);
+ _rtw_memset(target_ie + remain_len, 0, target_ie_len);
+ ies_len -= target_ie_len;
+
+ if (DBG_DEL_P2P_IE && msg) {
+ RTW_INFO("%s %d after\n", __func__, index);
+ dump_ies(RTW_DBGDUMP, ies, ies_len);
+ }
+
+ index++;
+ } else
+ break;
+ }
+
+ return ies_len;
+}
+
+uint rtw_del_p2p_attr(u8 *ie, uint ielen_ori, u8 attr_id)
+{
+#define DBG_DEL_P2P_ATTR 0
+
+ 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);
+
+ if (DBG_DEL_P2P_ATTR) {
+ RTW_INFO("%s %d before\n", __func__, index);
+ dump_ies(RTW_DBGDUMP, ie, ielen);
+
+ RTW_INFO("ie:%p, ielen:%u\n", ie, ielen);
+ RTW_INFO("target_attr:%p, target_attr_len:%u\n", target_attr, target_attr_len);
+ RTW_INFO("next_attr:%p, remain_len:%u\n", next_attr, remain_len);
+ }
+
+ _rtw_memmove(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;
+
+ if (DBG_DEL_P2P_ATTR) {
+ RTW_INFO("%s %d after\n", __func__, index);
+ dump_ies(RTW_DBGDUMP, ie, ielen);
+ }
+
+ index++;
+ } else
+ break;
+ }
+
+ return ielen;
+}
+
+inline u8 *rtw_bss_ex_get_p2p_ie(WLAN_BSSID_EX *bss_ex, u8 *p2p_ie, uint *p2p_ielen)
+{
+ return rtw_get_p2p_ie(BSS_EX_TLV_IES(bss_ex), BSS_EX_TLV_IES_LEN(bss_ex), p2p_ie, p2p_ielen);
+}
+
+void rtw_bss_ex_del_p2p_ie(WLAN_BSSID_EX *bss_ex)
+{
+#define DBG_BSS_EX_DEL_P2P_IE 0
+
+ u8 *ies = BSS_EX_TLV_IES(bss_ex);
+ uint ies_len_ori = BSS_EX_TLV_IES_LEN(bss_ex);
+ uint ies_len;
+
+ ies_len = rtw_del_p2p_ie(ies, ies_len_ori, DBG_BSS_EX_DEL_P2P_IE ? __func__ : NULL);
+ bss_ex->IELength -= ies_len_ori - ies_len;
+}
+
+void rtw_bss_ex_del_p2p_attr(WLAN_BSSID_EX *bss_ex, u8 attr_id)
+{
+#define DBG_BSS_EX_DEL_P2P_ATTR 0
+
+ u8 *ies = BSS_EX_TLV_IES(bss_ex);
+ uint ies_len = BSS_EX_TLV_IES_LEN(bss_ex);
+
+ u8 *ie;
+ uint ie_len, ie_len_ori;
+
+ int index = 0;
+
+ while (1) {
+ ie = rtw_get_p2p_ie(ies, ies_len, NULL, &ie_len_ori);
+ if (ie) {
+ u8 *next_ie_ori = ie + ie_len_ori;
+ uint remain_len = bss_ex->IELength - (next_ie_ori - bss_ex->IEs);
+ u8 has_target_attr = 0;
+
+ if (DBG_BSS_EX_DEL_P2P_ATTR) {
+ if (rtw_get_p2p_attr(ie, ie_len_ori, attr_id, NULL, NULL)) {
+ RTW_INFO("%s %d before\n", __func__, index);
+ dump_ies(RTW_DBGDUMP, BSS_EX_TLV_IES(bss_ex), BSS_EX_TLV_IES_LEN(bss_ex));
+
+ RTW_INFO("ies:%p, ies_len:%u\n", ies, ies_len);
+ RTW_INFO("ie:%p, ie_len_ori:%u\n", ie, ie_len_ori);
+ RTW_INFO("next_ie_ori:%p, remain_len:%u\n", next_ie_ori, remain_len);
+ has_target_attr = 1;
+ }
+ }
+
+ ie_len = rtw_del_p2p_attr(ie, ie_len_ori, attr_id);
+ if (ie_len != ie_len_ori) {
+ u8 *next_ie = ie + ie_len;
+
+ _rtw_memmove(next_ie, next_ie_ori, remain_len);
+ _rtw_memset(next_ie + remain_len, 0, ie_len_ori - ie_len);
+ bss_ex->IELength -= ie_len_ori - ie_len;
+
+ ies = next_ie;
+ } else
+ ies = next_ie_ori;
+
+ if (DBG_BSS_EX_DEL_P2P_ATTR) {
+ if (has_target_attr) {
+ RTW_INFO("%s %d after\n", __func__, index);
+ dump_ies(RTW_DBGDUMP, BSS_EX_TLV_IES(bss_ex), BSS_EX_TLV_IES_LEN(bss_ex));
+ }
+ }
+
+ ies_len = remain_len;
+
+ index++;
+ } else
+ break;
+ }
+}
+
+void dump_wfd_ie(void *sel, const u8 *ie, u32 ie_len)
+{
+ const u8 *pos = ie;
+ u8 id;
+ u16 len;
+
+ const u8 *wfd_ie;
+ uint wfd_ielen;
+
+ wfd_ie = rtw_get_wfd_ie(ie, ie_len, NULL, &wfd_ielen);
+ if (wfd_ie != ie || wfd_ielen == 0)
+ return;
+
+ pos += 6;
+ while (pos - ie + 3 <= ie_len) {
+ id = *pos;
+ len = RTW_GET_BE16(pos + 1);
+
+ RTW_PRINT_SEL(sel, "%s ID:%u, LEN:%u%s\n", __func__, id, len
+ , ((pos - ie + 3 + len) <= ie_len) ? "" : "(exceed ie_len)");
+
+ pos += (3 + len);
+ }
+}
+
+/**
+ * rtw_get_wfd_ie - Search WFD IE from a series of IEs
+ * @in_ie: Address of IEs to search
+ * @in_len: Length limit from in_ie
+ * @wfd_ie: If not NULL and WFD IE is found, WFD IE will be copied to the buf starting from wfd_ie
+ * @wfd_ielen: If not NULL and WFD IE is found, will set to the length of the entire WFD IE
+ *
+ * Returns: The address of the P2P IE found, or NULL
+ */
+u8 *rtw_get_wfd_ie(const u8 *in_ie, int in_len, u8 *wfd_ie, uint *wfd_ielen)
+{
+ uint cnt;
+ const u8 *wfd_ie_ptr = NULL;
+ u8 eid, wfd_oui[4] = {0x50, 0x6F, 0x9A, 0x0A};
+
+ if (wfd_ielen)
+ *wfd_ielen = 0;
+
+ if (!in_ie || in_len < 0) {
+ rtw_warn_on(1);
+ return (u8 *)wfd_ie_ptr;
+ }
+
+ if (in_len <= 0)
+ return (u8 *)wfd_ie_ptr;
+
+ cnt = 0;
+
+ while (cnt + 1 + 4 < in_len) {
+ eid = in_ie[cnt];
+
+ if (cnt + 1 + 4 >= MAX_IE_SZ) {
+ rtw_warn_on(1);
+ return NULL;
+ }
+
+ if (eid == WLAN_EID_VENDOR_SPECIFIC && _rtw_memcmp(&in_ie[cnt + 2], wfd_oui, 4) == _TRUE) {
+ wfd_ie_ptr = in_ie + cnt;
+
+ if (wfd_ie)
+ _rtw_memcpy(wfd_ie, &in_ie[cnt], in_ie[cnt + 1] + 2);
+
+ if (wfd_ielen)
+ *wfd_ielen = in_ie[cnt + 1] + 2;
+
+ break;
+ } else
+ cnt += in_ie[cnt + 1] + 2;
+
+ }
+
+ return (u8 *)wfd_ie_ptr;
+}
+
+/**
+ * rtw_get_wfd_attr - Search a specific WFD attribute from a given WFD IE
+ * @wfd_ie: Address of WFD IE to search
+ * @wfd_ielen: Length limit from wfd_ie
+ * @target_attr_id: The attribute ID of WFD attribute to search
+ * @buf_attr: If not NULL and the WFD attribute is found, WFD attribute will be copied to the buf starting from buf_attr
+ * @len_attr: If not NULL and the WFD attribute is found, will set to the length of the entire WFD attribute
+ *
+ * Returns: the address of the specific WPS attribute found, or NULL
+ */
+u8 *rtw_get_wfd_attr(u8 *wfd_ie, uint wfd_ielen, u8 target_attr_id, u8 *buf_attr, u32 *len_attr)
+{
+ u8 *attr_ptr = NULL;
+ u8 *target_attr_ptr = NULL;
+ u8 wfd_oui[4] = {0x50, 0x6F, 0x9A, 0x0A};
+
+ if (len_attr)
+ *len_attr = 0;
+
+ if (!wfd_ie
+ || wfd_ielen <= 6
+ || (wfd_ie[0] != WLAN_EID_VENDOR_SPECIFIC)
+ || (_rtw_memcmp(wfd_ie + 2, wfd_oui, 4) != _TRUE))
+ return attr_ptr;
+
+ /* 6 = 1(Element ID) + 1(Length) + 3 (OUI) + 1(OUI Type) */
+ attr_ptr = wfd_ie + 6; /* goto first attr */
+
+ while ((attr_ptr - wfd_ie + 3) <= wfd_ielen) {
+ /* 3 = 1(Attribute ID) + 2(Length) */
+ u8 attr_id = *attr_ptr;
+ u16 attr_data_len = RTW_GET_BE16(attr_ptr + 1);
+ u16 attr_len = attr_data_len + 3;
+
+ if (0)
+ RTW_INFO("%s attr_ptr:%p, id:%u, length:%u\n", __func__, attr_ptr, attr_id, attr_data_len);
+
+ if ((attr_ptr - wfd_ie + attr_len) > wfd_ielen)
+ break;
+
+ 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;
+ }
+
+ return target_attr_ptr;
+}
+
+/**
+ * rtw_get_wfd_attr_content - Search a specific WFD attribute content from a given WFD IE
+ * @wfd_ie: Address of WFD IE to search
+ * @wfd_ielen: Length limit from wfd_ie
+ * @target_attr_id: The attribute ID of WFD attribute to search
+ * @buf_content: If not NULL and the WFD attribute is found, WFD attribute content will be copied to the buf starting from buf_content
+ * @len_content: If not NULL and the WFD attribute is found, will set to the length of the WFD attribute content
+ *
+ * Returns: the address of the specific WFD attribute content found, or NULL
+ */
+u8 *rtw_get_wfd_attr_content(u8 *wfd_ie, uint wfd_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_wfd_attr(wfd_ie, wfd_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;
+}
+
+uint rtw_del_wfd_ie(u8 *ies, uint ies_len_ori, const char *msg)
+{
+#define DBG_DEL_WFD_IE 0
+
+ u8 *target_ie;
+ u32 target_ie_len;
+ uint ies_len = ies_len_ori;
+ int index = 0;
+
+ while (1) {
+ target_ie = rtw_get_wfd_ie(ies, ies_len, NULL, &target_ie_len);
+ if (target_ie && target_ie_len) {
+ u8 *next_ie = target_ie + target_ie_len;
+ uint remain_len = ies_len - (next_ie - ies);
+
+ if (DBG_DEL_WFD_IE && msg) {
+ RTW_INFO("%s %d before\n", __func__, index);
+ dump_ies(RTW_DBGDUMP, ies, ies_len);
+
+ RTW_INFO("ies:%p, ies_len:%u\n", ies, ies_len);
+ RTW_INFO("target_ie:%p, target_ie_len:%u\n", target_ie, target_ie_len);
+ RTW_INFO("next_ie:%p, remain_len:%u\n", next_ie, remain_len);
+ }
+
+ _rtw_memmove(target_ie, next_ie, remain_len);
+ _rtw_memset(target_ie + remain_len, 0, target_ie_len);
+ ies_len -= target_ie_len;
+
+ if (DBG_DEL_WFD_IE && msg) {
+ RTW_INFO("%s %d after\n", __func__, index);
+ dump_ies(RTW_DBGDUMP, ies, ies_len);
+ }
+
+ index++;
+ } else
+ break;
+ }
+
+ return ies_len;
+}
+
+uint rtw_del_wfd_attr(u8 *ie, uint ielen_ori, u8 attr_id)
+{
+#define DBG_DEL_WFD_ATTR 0
+
+ u8 *target_attr;
+ u32 target_attr_len;
+ uint ielen = ielen_ori;
+ int index = 0;
+
+ while (1) {
+ target_attr = rtw_get_wfd_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);
+
+ if (DBG_DEL_WFD_ATTR) {
+ RTW_INFO("%s %d before\n", __func__, index);
+ dump_ies(RTW_DBGDUMP, ie, ielen);
+
+ RTW_INFO("ie:%p, ielen:%u\n", ie, ielen);
+ RTW_INFO("target_attr:%p, target_attr_len:%u\n", target_attr, target_attr_len);
+ RTW_INFO("next_attr:%p, remain_len:%u\n", next_attr, remain_len);
+ }
+
+ _rtw_memmove(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;
+
+ if (DBG_DEL_WFD_ATTR) {
+ RTW_INFO("%s %d after\n", __func__, index);
+ dump_ies(RTW_DBGDUMP, ie, ielen);
+ }
+
+ index++;
+ } else
+ break;
+ }
+
+ return ielen;
+}
+
+inline u8 *rtw_bss_ex_get_wfd_ie(WLAN_BSSID_EX *bss_ex, u8 *wfd_ie, uint *wfd_ielen)
+{
+ return rtw_get_wfd_ie(BSS_EX_TLV_IES(bss_ex), BSS_EX_TLV_IES_LEN(bss_ex), wfd_ie, wfd_ielen);
+}
+
+void rtw_bss_ex_del_wfd_ie(WLAN_BSSID_EX *bss_ex)
+{
+#define DBG_BSS_EX_DEL_WFD_IE 0
+ u8 *ies = BSS_EX_TLV_IES(bss_ex);
+ uint ies_len_ori = BSS_EX_TLV_IES_LEN(bss_ex);
+ uint ies_len;
+
+ ies_len = rtw_del_wfd_ie(ies, ies_len_ori, DBG_BSS_EX_DEL_WFD_IE ? __func__ : NULL);
+ bss_ex->IELength -= ies_len_ori - ies_len;
+}
+
+void rtw_bss_ex_del_wfd_attr(WLAN_BSSID_EX *bss_ex, u8 attr_id)
+{
+#define DBG_BSS_EX_DEL_WFD_ATTR 0
+
+ u8 *ies = BSS_EX_TLV_IES(bss_ex);
+ uint ies_len = BSS_EX_TLV_IES_LEN(bss_ex);
+
+ u8 *ie;
+ uint ie_len, ie_len_ori;
+
+ int index = 0;
+
+ while (1) {
+ ie = rtw_get_wfd_ie(ies, ies_len, NULL, &ie_len_ori);
+ if (ie) {
+ u8 *next_ie_ori = ie + ie_len_ori;
+ uint remain_len = bss_ex->IELength - (next_ie_ori - bss_ex->IEs);
+ u8 has_target_attr = 0;
+
+ if (DBG_BSS_EX_DEL_WFD_ATTR) {
+ if (rtw_get_wfd_attr(ie, ie_len_ori, attr_id, NULL, NULL)) {
+ RTW_INFO("%s %d before\n", __func__, index);
+ dump_ies(RTW_DBGDUMP, BSS_EX_TLV_IES(bss_ex), BSS_EX_TLV_IES_LEN(bss_ex));
+
+ RTW_INFO("ies:%p, ies_len:%u\n", ies, ies_len);
+ RTW_INFO("ie:%p, ie_len_ori:%u\n", ie, ie_len_ori);
+ RTW_INFO("next_ie_ori:%p, remain_len:%u\n", next_ie_ori, remain_len);
+ has_target_attr = 1;
+ }
+ }
+
+ ie_len = rtw_del_wfd_attr(ie, ie_len_ori, attr_id);
+ if (ie_len != ie_len_ori) {
+ u8 *next_ie = ie + ie_len;
+
+ _rtw_memmove(next_ie, next_ie_ori, remain_len);
+ _rtw_memset(next_ie + remain_len, 0, ie_len_ori - ie_len);
+ bss_ex->IELength -= ie_len_ori - ie_len;
+
+ ies = next_ie;
+ } else
+ ies = next_ie_ori;
+
+ if (DBG_BSS_EX_DEL_WFD_ATTR) {
+ if (has_target_attr) {
+ RTW_INFO("%s %d after\n", __func__, index);
+ dump_ies(RTW_DBGDUMP, BSS_EX_TLV_IES(bss_ex), BSS_EX_TLV_IES_LEN(bss_ex));
+ }
+ }
+
+ ies_len = remain_len;
+
+ index++;
+ } else
+ break;
+ }
+}
+
+/* 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)) {
+ 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;
+ ret = _SUCCESS;
+ }
+ } else {
+
+ pbuf = rtw_get_wpa2_ie(&pnetwork->network.IEs[12], &wpa_ielen, pnetwork->network.IELength - 12);
+
+ if (pbuf && (wpa_ielen > 0)) {
+ if (_SUCCESS == rtw_parse_wpa2_ie(pbuf, wpa_ielen + 2, &group_cipher, &pairwise_cipher, &is8021x, NULL)) {
+ pnetwork->BcnInfo.pairwise_cipher = pairwise_cipher;
+ pnetwork->BcnInfo.group_cipher = group_cipher;
+ pnetwork->BcnInfo.is_8021x = is8021x;
+ 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);
+
+ 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;
+ }
+ 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;
+}
+
+u8 rtw_ht_mcsset_to_nss(u8 *supp_mcs_set)
+{
+ u8 nss = 1;
+
+ if (supp_mcs_set[3])
+ nss = 4;
+ else if (supp_mcs_set[2])
+ nss = 3;
+ else if (supp_mcs_set[1])
+ nss = 2;
+ else if (supp_mcs_set[0])
+ nss = 1;
+ else
+ RTW_INFO("%s,%d, warning! supp_mcs_set is zero\n", __func__, __LINE__);
+ /* RTW_INFO("%s HT: %dSS\n", __FUNCTION__, nss); */
+ return nss;
+}
+
+u32 rtw_ht_mcs_set_to_bitmap(u8 *mcs_set, u8 nss)
+{
+ u8 i;
+ u32 bitmap = 0;
+
+ for (i = 0; i < nss; i++)
+ bitmap |= mcs_set[i] << (i * 8);
+
+ RTW_INFO("ht_mcs_set=%02x %02x %02x %02x, nss=%u, bitmap=%08x\n"
+ , mcs_set[0], mcs_set[1], mcs_set[2], mcs_set[3], nss, bitmap);
+
+ return bitmap;
+}
+
+/* show MCS rate, unit: 100Kbps */
+u16 rtw_mcs_rate(u8 rf_type, u8 bw_40MHz, u8 short_GI, unsigned char *MCS_rate)
+{
+ u16 max_rate = 0;
+
+ if (MCS_rate[3]) {
+ if (MCS_rate[3] & BIT(7))
+ max_rate = (bw_40MHz) ? ((short_GI) ? 6000 : 5400) : ((short_GI) ? 2889 : 2600);
+ else if (MCS_rate[3] & BIT(6))
+ max_rate = (bw_40MHz) ? ((short_GI) ? 5400 : 4860) : ((short_GI) ? 2600 : 2340);
+ else if (MCS_rate[3] & BIT(5))
+ max_rate = (bw_40MHz) ? ((short_GI) ? 4800 : 4320) : ((short_GI) ? 2311 : 2080);
+ else if (MCS_rate[3] & BIT(4))
+ max_rate = (bw_40MHz) ? ((short_GI) ? 3600 : 3240) : ((short_GI) ? 1733 : 1560);
+ else if (MCS_rate[3] & BIT(3))
+ max_rate = (bw_40MHz) ? ((short_GI) ? 2400 : 2160) : ((short_GI) ? 1156 : 1040);
+ else if (MCS_rate[3] & BIT(2))
+ max_rate = (bw_40MHz) ? ((short_GI) ? 1800 : 1620) : ((short_GI) ? 867 : 780);
+ else if (MCS_rate[3] & BIT(1))
+ max_rate = (bw_40MHz) ? ((short_GI) ? 1200 : 1080) : ((short_GI) ? 578 : 520);
+ else if (MCS_rate[3] & BIT(0))
+ max_rate = (bw_40MHz) ? ((short_GI) ? 600 : 540) : ((short_GI) ? 289 : 260);
+ } else if (MCS_rate[2]) {
+ if (MCS_rate[2] & BIT(7))
+ max_rate = (bw_40MHz) ? ((short_GI) ? 4500 : 4050) : ((short_GI) ? 2167 : 1950);
+ else if (MCS_rate[2] & BIT(6))
+ max_rate = (bw_40MHz) ? ((short_GI) ? 4050 : 3645) : ((short_GI) ? 1950 : 1750);
+ else if (MCS_rate[2] & BIT(5))
+ max_rate = (bw_40MHz) ? ((short_GI) ? 3600 : 3240) : ((short_GI) ? 1733 : 1560);
+ else if (MCS_rate[2] & BIT(4))
+ max_rate = (bw_40MHz) ? ((short_GI) ? 2700 : 2430) : ((short_GI) ? 1300 : 1170);
+ else if (MCS_rate[2] & BIT(3))
+ max_rate = (bw_40MHz) ? ((short_GI) ? 1800 : 1620) : ((short_GI) ? 867 : 780);
+ else if (MCS_rate[2] & BIT(2))
+ max_rate = (bw_40MHz) ? ((short_GI) ? 1350 : 1215) : ((short_GI) ? 650 : 585);
+ else if (MCS_rate[2] & BIT(1))
+ max_rate = (bw_40MHz) ? ((short_GI) ? 900 : 810) : ((short_GI) ? 433 : 390);
+ else if (MCS_rate[2] & BIT(0))
+ max_rate = (bw_40MHz) ? ((short_GI) ? 450 : 405) : ((short_GI) ? 217 : 195);
+ } else if (MCS_rate[1]) {
+ if (MCS_rate[1] & BIT(7))
+ max_rate = (bw_40MHz) ? ((short_GI) ? 3000 : 2700) : ((short_GI) ? 1444 : 1300);
+ else if (MCS_rate[1] & BIT(6))
+ max_rate = (bw_40MHz) ? ((short_GI) ? 2700 : 2430) : ((short_GI) ? 1300 : 1170);
+ else if (MCS_rate[1] & BIT(5))
+ max_rate = (bw_40MHz) ? ((short_GI) ? 2400 : 2160) : ((short_GI) ? 1156 : 1040);
+ else if (MCS_rate[1] & BIT(4))
+ max_rate = (bw_40MHz) ? ((short_GI) ? 1800 : 1620) : ((short_GI) ? 867 : 780);
+ else if (MCS_rate[1] & BIT(3))
+ max_rate = (bw_40MHz) ? ((short_GI) ? 1200 : 1080) : ((short_GI) ? 578 : 520);
+ else if (MCS_rate[1] & BIT(2))
+ max_rate = (bw_40MHz) ? ((short_GI) ? 900 : 810) : ((short_GI) ? 433 : 390);
+ else if (MCS_rate[1] & BIT(1))
+ max_rate = (bw_40MHz) ? ((short_GI) ? 600 : 540) : ((short_GI) ? 289 : 260);
+ else if (MCS_rate[1] & BIT(0))
+ max_rate = (bw_40MHz) ? ((short_GI) ? 300 : 270) : ((short_GI) ? 144 : 130);
+ } else {
+ if (MCS_rate[0] & BIT(7))
+ max_rate = (bw_40MHz) ? ((short_GI) ? 1500 : 1350) : ((short_GI) ? 722 : 650);
+ else if (MCS_rate[0] & BIT(6))
+ max_rate = (bw_40MHz) ? ((short_GI) ? 1350 : 1215) : ((short_GI) ? 650 : 585);
+ else if (MCS_rate[0] & BIT(5))
+ max_rate = (bw_40MHz) ? ((short_GI) ? 1200 : 1080) : ((short_GI) ? 578 : 520);
+ else if (MCS_rate[0] & BIT(4))
+ max_rate = (bw_40MHz) ? ((short_GI) ? 900 : 810) : ((short_GI) ? 433 : 390);
+ else if (MCS_rate[0] & BIT(3))
+ max_rate = (bw_40MHz) ? ((short_GI) ? 600 : 540) : ((short_GI) ? 289 : 260);
+ else if (MCS_rate[0] & BIT(2))
+ max_rate = (bw_40MHz) ? ((short_GI) ? 450 : 405) : ((short_GI) ? 217 : 195);
+ else if (MCS_rate[0] & BIT(1))
+ max_rate = (bw_40MHz) ? ((short_GI) ? 300 : 270) : ((short_GI) ? 144 : 130);
+ else if (MCS_rate[0] & BIT(0))
+ max_rate = (bw_40MHz) ? ((short_GI) ? 150 : 135) : ((short_GI) ? 72 : 65);
+ }
+
+ return max_rate;
+}
+
+int rtw_action_frame_parse(const u8 *frame, u32 frame_len, u8 *category, u8 *action)
+{
+ const u8 *frame_body = frame + sizeof(struct rtw_ieee80211_hdr_3addr);
+ u16 fc;
+ u8 c;
+ u8 a = ACT_PUBLIC_MAX;
+
+ 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];
+}
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