--- /dev/null
+/******************************************************************************
+ *
+ * Copyright(c) 2007 - 2012 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 _RTW_WLAN_UTIL_C_
+
+#include <osdep_service.h>
+#include <drv_types.h>
+#include <wifi.h>
+
+static unsigned char ARTHEROS_OUI1[] = {0x00, 0x03, 0x7f};
+static unsigned char ARTHEROS_OUI2[] = {0x00, 0x13, 0x74};
+
+static unsigned char BROADCOM_OUI1[] = {0x00, 0x10, 0x18};
+static unsigned char BROADCOM_OUI2[] = {0x00, 0x0a, 0xf7};
+
+static unsigned char CISCO_OUI[] = {0x00, 0x40, 0x96};
+static unsigned char MARVELL_OUI[] = {0x00, 0x50, 0x43};
+static unsigned char RALINK_OUI[] = {0x00, 0x0c, 0x43};
+static unsigned char REALTEK_OUI[] = {0x00, 0xe0, 0x4c};
+static unsigned char AIRGOCAP_OUI[] = {0x00, 0x0a, 0xf5};
+static unsigned char EPIGRAM_OUI[] = {0x00, 0x90, 0x4c};
+
+unsigned char REALTEK_96B_IE[] = {0x00, 0xe0, 0x4c, 0x02, 0x01, 0x20};
+
+#define R2T_PHY_DELAY (0)
+
+/* define WAIT_FOR_BCN_TO_M (3000) */
+#define WAIT_FOR_BCN_TO_MIN (6000)
+#define WAIT_FOR_BCN_TO_MAX (20000)
+
+static u8 rtw_basic_rate_cck[4] = {
+ 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 rtw_basic_rate_ofdm[3] = {
+ IEEE80211_OFDM_RATE_6MB|IEEE80211_BASIC_RATE_MASK, IEEE80211_OFDM_RATE_12MB|IEEE80211_BASIC_RATE_MASK,
+ IEEE80211_OFDM_RATE_24MB|IEEE80211_BASIC_RATE_MASK
+};
+
+static u8 rtw_basic_rate_mix[7] = {
+ 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,
+ IEEE80211_OFDM_RATE_6MB|IEEE80211_BASIC_RATE_MASK, IEEE80211_OFDM_RATE_12MB|IEEE80211_BASIC_RATE_MASK,
+ IEEE80211_OFDM_RATE_24MB|IEEE80211_BASIC_RATE_MASK
+};
+
+int cckrates_included(unsigned char *rate, int ratelen)
+{
+ int i;
+
+ for (i = 0; i < ratelen; i++) {
+ if ((((rate[i]) & 0x7f) == 2) || (((rate[i]) & 0x7f) == 4) ||
+ (((rate[i]) & 0x7f) == 11) || (((rate[i]) & 0x7f) == 22))
+ return true;
+ }
+ return false;
+}
+
+int cckratesonly_included(unsigned char *rate, int ratelen)
+{
+ int i;
+
+ for (i = 0; i < ratelen; i++) {
+ if ((((rate[i]) & 0x7f) != 2) && (((rate[i]) & 0x7f) != 4) &&
+ (((rate[i]) & 0x7f) != 11) && (((rate[i]) & 0x7f) != 22))
+ return false;
+ }
+
+ return true;
+}
+
+unsigned char networktype_to_raid(unsigned char network_type)
+{
+ switch (network_type) {
+ case WIRELESS_11B:
+ return RATR_INX_WIRELESS_B;
+ case WIRELESS_11A:
+ case WIRELESS_11G:
+ return RATR_INX_WIRELESS_G;
+ case WIRELESS_11BG:
+ return RATR_INX_WIRELESS_GB;
+ case WIRELESS_11_24N:
+ case WIRELESS_11_5N:
+ return RATR_INX_WIRELESS_N;
+ case WIRELESS_11A_5N:
+ case WIRELESS_11G_24N:
+ return RATR_INX_WIRELESS_NG;
+ case WIRELESS_11BG_24N:
+ return RATR_INX_WIRELESS_NGB;
+ default:
+ return RATR_INX_WIRELESS_GB;
+ }
+}
+
+u8 judge_network_type(struct adapter *padapter, unsigned char *rate, int ratelen)
+{
+ u8 network_type = 0;
+ struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
+ struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
+
+ if (pmlmeext->cur_channel > 14) {
+ if (pmlmeinfo->HT_enable)
+ network_type = WIRELESS_11_5N;
+
+ network_type |= WIRELESS_11A;
+ } else {
+ if (pmlmeinfo->HT_enable)
+ network_type = WIRELESS_11_24N;
+
+ if ((cckratesonly_included(rate, ratelen)) == true)
+ network_type |= WIRELESS_11B;
+ else if ((cckrates_included(rate, ratelen)) == true)
+ network_type |= WIRELESS_11BG;
+ else
+ network_type |= WIRELESS_11G;
+ }
+ return network_type;
+}
+
+static unsigned char ratetbl_val_2wifirate(unsigned char rate)
+{
+ switch (rate & 0x7f) {
+ case 0:
+ return IEEE80211_CCK_RATE_1MB;
+ case 1:
+ return IEEE80211_CCK_RATE_2MB;
+ case 2:
+ return IEEE80211_CCK_RATE_5MB;
+ case 3:
+ return IEEE80211_CCK_RATE_11MB;
+ case 4:
+ return IEEE80211_OFDM_RATE_6MB;
+ case 5:
+ return IEEE80211_OFDM_RATE_9MB;
+ case 6:
+ return IEEE80211_OFDM_RATE_12MB;
+ case 7:
+ return IEEE80211_OFDM_RATE_18MB;
+ case 8:
+ return IEEE80211_OFDM_RATE_24MB;
+ case 9:
+ return IEEE80211_OFDM_RATE_36MB;
+ case 10:
+ return IEEE80211_OFDM_RATE_48MB;
+ case 11:
+ return IEEE80211_OFDM_RATE_54MB;
+ default:
+ return 0;
+ }
+}
+
+static int is_basicrate(struct adapter *padapter, unsigned char rate)
+{
+ int i;
+ unsigned char val;
+ struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
+
+ for (i = 0; i < NumRates; i++) {
+ val = pmlmeext->basicrate[i];
+
+ if ((val != 0xff) && (val != 0xfe)) {
+ if (rate == ratetbl_val_2wifirate(val))
+ return true;
+ }
+ }
+ return false;
+}
+
+static unsigned int ratetbl2rateset(struct adapter *padapter, unsigned char *rateset)
+{
+ int i;
+ unsigned char rate;
+ unsigned int len = 0;
+ struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
+
+ for (i = 0; i < NumRates; i++) {
+ rate = pmlmeext->datarate[i];
+
+ switch (rate) {
+ case 0xff:
+ return len;
+ case 0xfe:
+ continue;
+ default:
+ rate = ratetbl_val_2wifirate(rate);
+
+ if (is_basicrate(padapter, rate) == true)
+ rate |= IEEE80211_BASIC_RATE_MASK;
+
+ rateset[len] = rate;
+ len++;
+ break;
+ }
+ }
+ return len;
+}
+
+void get_rate_set(struct adapter *padapter, unsigned char *pbssrate, int *bssrate_len)
+{
+ unsigned char supportedrates[NumRates];
+
+ memset(supportedrates, 0, NumRates);
+ *bssrate_len = ratetbl2rateset(padapter, supportedrates);
+ memcpy(pbssrate, supportedrates, *bssrate_len);
+}
+
+void UpdateBrateTbl(struct adapter *Adapter, u8 *mbrate)
+{
+ u8 i;
+ u8 rate;
+
+ /* 1M, 2M, 5.5M, 11M, 6M, 12M, 24M are mandatory. */
+ for (i = 0; i < NDIS_802_11_LENGTH_RATES_EX; i++) {
+ rate = mbrate[i] & 0x7f;
+ switch (rate) {
+ case IEEE80211_CCK_RATE_1MB:
+ case IEEE80211_CCK_RATE_2MB:
+ case IEEE80211_CCK_RATE_5MB:
+ case IEEE80211_CCK_RATE_11MB:
+ case IEEE80211_OFDM_RATE_6MB:
+ case IEEE80211_OFDM_RATE_12MB:
+ case IEEE80211_OFDM_RATE_24MB:
+ mbrate[i] |= IEEE80211_BASIC_RATE_MASK;
+ break;
+ }
+ }
+}
+
+void UpdateBrateTblForSoftAP(u8 *bssrateset, u32 bssratelen)
+{
+ u8 i;
+ u8 rate;
+
+ for (i = 0; i < bssratelen; i++) {
+ rate = bssrateset[i] & 0x7f;
+ switch (rate) {
+ case IEEE80211_CCK_RATE_1MB:
+ case IEEE80211_CCK_RATE_2MB:
+ case IEEE80211_CCK_RATE_5MB:
+ case IEEE80211_CCK_RATE_11MB:
+ bssrateset[i] |= IEEE80211_BASIC_RATE_MASK;
+ break;
+ }
+ }
+}
+
+void Save_DM_Func_Flag(struct adapter *padapter)
+{
+ u8 saveflag = true;
+
+ rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_OP, (u8 *)(&saveflag));
+}
+
+void Restore_DM_Func_Flag(struct adapter *padapter)
+{
+ u8 saveflag = false;
+
+ rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_OP, (u8 *)(&saveflag));
+}
+
+void Switch_DM_Func(struct adapter *padapter, u32 mode, u8 enable)
+{
+ if (enable)
+ rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_SET, (u8 *)(&mode));
+ else
+ rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_CLR, (u8 *)(&mode));
+}
+
+static void Set_NETYPE0_MSR(struct adapter *padapter, u8 type)
+{
+ rtw_hal_set_hwreg(padapter, HW_VAR_MEDIA_STATUS, (u8 *)(&type));
+}
+
+void Set_MSR(struct adapter *padapter, u8 type)
+{
+ Set_NETYPE0_MSR(padapter, type);
+}
+
+inline u8 rtw_get_oper_ch(struct adapter *adapter)
+{
+ return adapter->mlmeextpriv.oper_channel;
+}
+
+inline void rtw_set_oper_ch(struct adapter *adapter, u8 ch)
+{
+ adapter->mlmeextpriv.oper_channel = ch;
+}
+
+inline u8 rtw_get_oper_bw(struct adapter *adapter)
+{
+ return adapter->mlmeextpriv.oper_bwmode;
+}
+
+inline void rtw_set_oper_bw(struct adapter *adapter, u8 bw)
+{
+ adapter->mlmeextpriv.oper_bwmode = bw;
+}
+
+inline u8 rtw_get_oper_choffset(struct adapter *adapter)
+{
+ return adapter->mlmeextpriv.oper_ch_offset;
+}
+
+inline void rtw_set_oper_choffset(struct adapter *adapter, u8 offset)
+{
+ adapter->mlmeextpriv.oper_ch_offset = offset;
+}
+
+void SelectChannel(struct adapter *padapter, unsigned char channel)
+{
+ /* saved channel info */
+ rtw_set_oper_ch(padapter, channel);
+ rtw_hal_set_chan(padapter, channel);
+}
+
+void SetBWMode(struct adapter *padapter, unsigned short bwmode,
+ unsigned char channel_offset)
+{
+ /* saved bw info */
+ rtw_set_oper_bw(padapter, bwmode);
+ rtw_set_oper_choffset(padapter, channel_offset);
+
+ rtw_hal_set_bwmode(padapter, (enum ht_channel_width)bwmode, channel_offset);
+}
+
+void set_channel_bwmode(struct adapter *padapter, unsigned char channel, unsigned char channel_offset, unsigned short bwmode)
+{
+ u8 center_ch;
+
+ if (padapter->bNotifyChannelChange)
+ DBG_88E("[%s] ch = %d, offset = %d, bwmode = %d\n", __func__, channel, channel_offset, bwmode);
+
+ if ((bwmode == HT_CHANNEL_WIDTH_20) ||
+ (channel_offset == HAL_PRIME_CHNL_OFFSET_DONT_CARE)) {
+ /* SelectChannel(padapter, channel); */
+ center_ch = channel;
+ } else {
+ /* switch to the proper channel */
+ if (channel_offset == HAL_PRIME_CHNL_OFFSET_LOWER) {
+ /* SelectChannel(padapter, channel + 2); */
+ center_ch = channel + 2;
+ } else {
+ /* SelectChannel(padapter, channel - 2); */
+ center_ch = channel - 2;
+ }
+ }
+
+ /* set Channel */
+ /* saved channel/bw info */
+ rtw_set_oper_ch(padapter, channel);
+ rtw_set_oper_bw(padapter, bwmode);
+ rtw_set_oper_choffset(padapter, channel_offset);
+
+ rtw_hal_set_chan(padapter, center_ch); /* set center channel */
+ SetBWMode(padapter, bwmode, channel_offset);
+}
+
+int get_bsstype(unsigned short capability)
+{
+ if (capability & BIT(0))
+ return WIFI_FW_AP_STATE;
+ else if (capability & BIT(1))
+ return WIFI_FW_ADHOC_STATE;
+ else
+ return 0;
+}
+
+u16 get_beacon_interval(struct wlan_bssid_ex *bss)
+{
+ __le16 val;
+ memcpy((unsigned char *)&val, rtw_get_beacon_interval_from_ie(bss->IEs), 2);
+
+ return le16_to_cpu(val);
+}
+
+int is_client_associated_to_ap(struct adapter *padapter)
+{
+ struct mlme_ext_priv *pmlmeext;
+ struct mlme_ext_info *pmlmeinfo;
+
+ if (!padapter)
+ return _FAIL;
+
+ pmlmeext = &padapter->mlmeextpriv;
+ pmlmeinfo = &(pmlmeext->mlmext_info);
+
+ if ((pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) && ((pmlmeinfo->state&0x03) == WIFI_FW_STATION_STATE))
+ return true;
+ else
+ return _FAIL;
+}
+
+int is_client_associated_to_ibss(struct adapter *padapter)
+{
+ struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
+ struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
+
+ if ((pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) && ((pmlmeinfo->state&0x03) == WIFI_FW_ADHOC_STATE))
+ return true;
+ else
+ return _FAIL;
+}
+
+int is_IBSS_empty(struct adapter *padapter)
+{
+ unsigned int i;
+ struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
+ struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
+
+ for (i = IBSS_START_MAC_ID; i < NUM_STA; i++) {
+ if (pmlmeinfo->FW_sta_info[i].status == 1)
+ return _FAIL;
+ }
+ return true;
+}
+
+unsigned int decide_wait_for_beacon_timeout(unsigned int bcn_interval)
+{
+ if ((bcn_interval << 2) < WAIT_FOR_BCN_TO_MIN)
+ return WAIT_FOR_BCN_TO_MIN;
+ else if ((bcn_interval << 2) > WAIT_FOR_BCN_TO_MAX)
+ return WAIT_FOR_BCN_TO_MAX;
+ else
+ return bcn_interval << 2;
+}
+
+void CAM_empty_entry(struct adapter *Adapter, u8 ucIndex)
+{
+ rtw_hal_set_hwreg(Adapter, HW_VAR_CAM_EMPTY_ENTRY, (u8 *)(&ucIndex));
+}
+
+void invalidate_cam_all(struct adapter *padapter)
+{
+ rtw_hal_set_hwreg(padapter, HW_VAR_CAM_INVALID_ALL, NULL);
+}
+
+void write_cam(struct adapter *padapter, u8 entry, u16 ctrl, u8 *mac, u8 *key)
+{
+ unsigned int i, val, addr;
+ int j;
+ u32 cam_val[2];
+
+ addr = entry << 3;
+
+ for (j = 5; j >= 0; j--) {
+ switch (j) {
+ case 0:
+ val = ctrl | (mac[0] << 16) | (mac[1] << 24);
+ break;
+ case 1:
+ val = mac[2] | (mac[3] << 8) | (mac[4] << 16) | (mac[5] << 24);
+ break;
+ default:
+ i = (j - 2) << 2;
+ val = key[i] | (key[i+1] << 8) | (key[i+2] << 16) | (key[i+3] << 24);
+ break;
+ }
+
+ cam_val[0] = val;
+ cam_val[1] = addr + (unsigned int)j;
+
+ rtw_hal_set_hwreg(padapter, HW_VAR_CAM_WRITE, (u8 *)cam_val);
+ }
+}
+
+void clear_cam_entry(struct adapter *padapter, u8 entry)
+{
+ unsigned char null_sta[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
+ unsigned char null_key[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
+
+ write_cam(padapter, entry, 0, null_sta, null_key);
+}
+
+int allocate_fw_sta_entry(struct adapter *padapter)
+{
+ unsigned int mac_id;
+ struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
+ struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
+
+ for (mac_id = IBSS_START_MAC_ID; mac_id < NUM_STA; mac_id++) {
+ if (pmlmeinfo->FW_sta_info[mac_id].status == 0) {
+ pmlmeinfo->FW_sta_info[mac_id].status = 1;
+ pmlmeinfo->FW_sta_info[mac_id].retry = 0;
+ break;
+ }
+ }
+
+ return mac_id;
+}
+
+void flush_all_cam_entry(struct adapter *padapter)
+{
+ struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
+ struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
+
+ rtw_hal_set_hwreg(padapter, HW_VAR_CAM_INVALID_ALL, NULL);
+
+ memset((u8 *)(pmlmeinfo->FW_sta_info), 0, sizeof(pmlmeinfo->FW_sta_info));
+}
+
+int WMM_param_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
+{
+ /* struct registry_priv *pregpriv = &padapter->registrypriv; */
+ struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
+ struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
+ struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
+
+ if (pmlmepriv->qospriv.qos_option == 0) {
+ pmlmeinfo->WMM_enable = 0;
+ return _FAIL;
+ }
+
+ pmlmeinfo->WMM_enable = 1;
+ memcpy(&(pmlmeinfo->WMM_param), (pIE->data + 6), sizeof(struct WMM_para_element));
+ return true;
+}
+
+void WMMOnAssocRsp(struct adapter *padapter)
+{
+ u8 ACI, ACM, AIFS, ECWMin, ECWMax, aSifsTime;
+ u8 acm_mask;
+ u16 TXOP;
+ u32 acParm, i;
+ u32 edca[4], inx[4];
+ struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
+ struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
+ struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
+ struct registry_priv *pregpriv = &padapter->registrypriv;
+
+ if (pmlmeinfo->WMM_enable == 0) {
+ padapter->mlmepriv.acm_mask = 0;
+ return;
+ }
+
+ acm_mask = 0;
+
+ if (pmlmeext->cur_wireless_mode == WIRELESS_11B)
+ aSifsTime = 10;
+ else
+ aSifsTime = 16;
+
+ for (i = 0; i < 4; i++) {
+ ACI = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN >> 5) & 0x03;
+ ACM = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN >> 4) & 0x01;
+
+ /* AIFS = AIFSN * slot time + SIFS - r2t phy delay */
+ AIFS = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN & 0x0f) * pmlmeinfo->slotTime + aSifsTime;
+
+ ECWMin = pmlmeinfo->WMM_param.ac_param[i].CW & 0x0f;
+ ECWMax = (pmlmeinfo->WMM_param.ac_param[i].CW & 0xf0) >> 4;
+ TXOP = le16_to_cpu(pmlmeinfo->WMM_param.ac_param[i].TXOP_limit);
+
+ acParm = AIFS | (ECWMin << 8) | (ECWMax << 12) | (TXOP << 16);
+
+ switch (ACI) {
+ case 0x0:
+ rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BE, (u8 *)(&acParm));
+ acm_mask |= (ACM ? BIT(1) : 0);
+ edca[XMIT_BE_QUEUE] = acParm;
+ break;
+ case 0x1:
+ rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BK, (u8 *)(&acParm));
+ edca[XMIT_BK_QUEUE] = acParm;
+ break;
+ case 0x2:
+ rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VI, (u8 *)(&acParm));
+ acm_mask |= (ACM ? BIT(2) : 0);
+ edca[XMIT_VI_QUEUE] = acParm;
+ break;
+ case 0x3:
+ rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VO, (u8 *)(&acParm));
+ acm_mask |= (ACM ? BIT(3) : 0);
+ edca[XMIT_VO_QUEUE] = acParm;
+ break;
+ }
+
+ DBG_88E("WMM(%x): %x, %x\n", ACI, ACM, acParm);
+ }
+
+ if (padapter->registrypriv.acm_method == 1)
+ rtw_hal_set_hwreg(padapter, HW_VAR_ACM_CTRL, (u8 *)(&acm_mask));
+ else
+ padapter->mlmepriv.acm_mask = acm_mask;
+
+ inx[0] = 0; inx[1] = 1; inx[2] = 2; inx[3] = 3;
+
+ if (pregpriv->wifi_spec == 1) {
+ u32 j, tmp, change_inx = false;
+
+ /* entry indx: 0->vo, 1->vi, 2->be, 3->bk. */
+ for (i = 0; i < 4; i++) {
+ for (j = i+1; j < 4; j++) {
+ /* compare CW and AIFS */
+ if ((edca[j] & 0xFFFF) < (edca[i] & 0xFFFF)) {
+ change_inx = true;
+ } else if ((edca[j] & 0xFFFF) == (edca[i] & 0xFFFF)) {
+ /* compare TXOP */
+ if ((edca[j] >> 16) > (edca[i] >> 16))
+ change_inx = true;
+ }
+
+ if (change_inx) {
+ tmp = edca[i];
+ edca[i] = edca[j];
+ edca[j] = tmp;
+
+ tmp = inx[i];
+ inx[i] = inx[j];
+ inx[j] = tmp;
+
+ change_inx = false;
+ }
+ }
+ }
+ }
+
+ for (i = 0; i < 4; i++) {
+ pxmitpriv->wmm_para_seq[i] = inx[i];
+ DBG_88E("wmm_para_seq(%d): %d\n", i, pxmitpriv->wmm_para_seq[i]);
+ }
+}
+
+static void bwmode_update_check(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
+{
+ unsigned char new_bwmode;
+ unsigned char new_ch_offset;
+ struct HT_info_element *pHT_info;
+ struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
+ struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
+ struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
+ struct registry_priv *pregistrypriv = &padapter->registrypriv;
+ struct ht_priv *phtpriv = &pmlmepriv->htpriv;
+
+ if (!pIE)
+ return;
+
+ if (!phtpriv)
+ return;
+
+ if (pIE->Length > sizeof(struct HT_info_element))
+ return;
+
+ pHT_info = (struct HT_info_element *)pIE->data;
+
+ if ((pHT_info->infos[0] & BIT(2)) && pregistrypriv->cbw40_enable) {
+ new_bwmode = HT_CHANNEL_WIDTH_40;
+
+ switch (pHT_info->infos[0] & 0x3) {
+ case 1:
+ new_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER;
+ break;
+ case 3:
+ new_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER;
+ break;
+ default:
+ new_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
+ break;
+ }
+ } else {
+ new_bwmode = HT_CHANNEL_WIDTH_20;
+ new_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
+ }
+
+ if ((new_bwmode != pmlmeext->cur_bwmode) ||
+ (new_ch_offset != pmlmeext->cur_ch_offset)) {
+ pmlmeinfo->bwmode_updated = true;
+
+ pmlmeext->cur_bwmode = new_bwmode;
+ pmlmeext->cur_ch_offset = new_ch_offset;
+
+ /* update HT info also */
+ HT_info_handler(padapter, pIE);
+ } else {
+ pmlmeinfo->bwmode_updated = false;
+ }
+
+ if (pmlmeinfo->bwmode_updated) {
+ struct sta_info *psta;
+ struct wlan_bssid_ex *cur_network = &(pmlmeinfo->network);
+ struct sta_priv *pstapriv = &padapter->stapriv;
+
+ /* set_channel_bwmode(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode); */
+
+ /* update ap's stainfo */
+ psta = rtw_get_stainfo(pstapriv, cur_network->MacAddress);
+ if (psta) {
+ struct ht_priv *phtpriv_sta = &psta->htpriv;
+
+ if (phtpriv_sta->ht_option) {
+ /* bwmode */
+ phtpriv_sta->bwmode = pmlmeext->cur_bwmode;
+ phtpriv_sta->ch_offset = pmlmeext->cur_ch_offset;
+ } else {
+ phtpriv_sta->bwmode = HT_CHANNEL_WIDTH_20;
+ phtpriv_sta->ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
+ }
+ }
+ }
+}
+
+void HT_caps_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
+{
+ unsigned int i;
+ u8 rf_type;
+ u8 max_AMPDU_len, min_MPDU_spacing;
+ struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
+ struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
+ struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
+ struct ht_priv *phtpriv = &pmlmepriv->htpriv;
+
+ if (pIE == NULL)
+ return;
+
+ if (!phtpriv->ht_option)
+ return;
+
+ pmlmeinfo->HT_caps_enable = 1;
+
+ for (i = 0; i < (pIE->Length); i++) {
+ if (i != 2) {
+ /* Got the endian issue here. */
+ pmlmeinfo->HT_caps.u.HT_cap[i] &= (pIE->data[i]);
+ } else {
+ /* modify from fw by Thomas 2010/11/17 */
+ if ((pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x3) > (pIE->data[i] & 0x3))
+ max_AMPDU_len = pIE->data[i] & 0x3;
+ else
+ max_AMPDU_len = pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x3;
+
+ if ((pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c) > (pIE->data[i] & 0x1c))
+ min_MPDU_spacing = pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c;
+ else
+ min_MPDU_spacing = pIE->data[i] & 0x1c;
+
+ pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para = max_AMPDU_len | min_MPDU_spacing;
+ }
+ }
+
+ rtw_hal_get_hwreg(padapter, HW_VAR_RF_TYPE, (u8 *)(&rf_type));
+
+ /* update the MCS rates */
+ for (i = 0; i < 16; i++) {
+ if ((rf_type == RF_1T1R) || (rf_type == RF_1T2R))
+ pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate[i] &= MCS_rate_1R[i];
+ else
+ pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate[i] &= MCS_rate_2R[i];
+ }
+}
+
+void HT_info_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
+{
+ struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
+ struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
+ struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
+ struct ht_priv *phtpriv = &pmlmepriv->htpriv;
+
+ if (pIE == NULL)
+ return;
+
+ if (!phtpriv->ht_option)
+ return;
+
+ if (pIE->Length > sizeof(struct HT_info_element))
+ return;
+
+ pmlmeinfo->HT_info_enable = 1;
+ memcpy(&(pmlmeinfo->HT_info), pIE->data, pIE->Length);
+}
+
+void HTOnAssocRsp(struct adapter *padapter)
+{
+ unsigned char max_AMPDU_len;
+ unsigned char min_MPDU_spacing;
+ /* struct registry_priv *pregpriv = &padapter->registrypriv; */
+ struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
+ struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
+
+ DBG_88E("%s\n", __func__);
+
+ if ((pmlmeinfo->HT_info_enable) && (pmlmeinfo->HT_caps_enable)) {
+ pmlmeinfo->HT_enable = 1;
+ } else {
+ pmlmeinfo->HT_enable = 0;
+ return;
+ }
+
+ /* handle A-MPDU parameter field */
+ /*
+ AMPDU_para [1:0]:Max AMPDU Len => 0:8k , 1:16k, 2:32k, 3:64k
+ AMPDU_para [4:2]:Min MPDU Start Spacing
+ */
+ max_AMPDU_len = pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x03;
+
+ min_MPDU_spacing = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c) >> 2;
+
+ rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_MIN_SPACE, (u8 *)(&min_MPDU_spacing));
+
+ rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_FACTOR, (u8 *)(&max_AMPDU_len));
+}
+
+void ERP_IE_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
+{
+ struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
+ struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
+
+ if (pIE->Length > 1)
+ return;
+
+ pmlmeinfo->ERP_enable = 1;
+ memcpy(&(pmlmeinfo->ERP_IE), pIE->data, pIE->Length);
+}
+
+void VCS_update(struct adapter *padapter, struct sta_info *psta)
+{
+ struct registry_priv *pregpriv = &padapter->registrypriv;
+ struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
+ struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
+
+ switch (pregpriv->vrtl_carrier_sense) { /* 0:off 1:on 2:auto */
+ case 0: /* off */
+ psta->rtsen = 0;
+ psta->cts2self = 0;
+ break;
+ case 1: /* on */
+ if (pregpriv->vcs_type == 1) { /* 1:RTS/CTS 2:CTS to self */
+ psta->rtsen = 1;
+ psta->cts2self = 0;
+ } else {
+ psta->rtsen = 0;
+ psta->cts2self = 1;
+ }
+ break;
+ case 2: /* auto */
+ default:
+ if ((pmlmeinfo->ERP_enable) && (pmlmeinfo->ERP_IE & BIT(1))) {
+ if (pregpriv->vcs_type == 1) {
+ psta->rtsen = 1;
+ psta->cts2self = 0;
+ } else {
+ psta->rtsen = 0;
+ psta->cts2self = 1;
+ }
+ } else {
+ psta->rtsen = 0;
+ psta->cts2self = 0;
+ }
+ break;
+ }
+}
+
+int rtw_check_bcn_info(struct adapter *Adapter, u8 *pframe, u32 packet_len)
+{
+ unsigned int len;
+ unsigned char *p;
+ unsigned short val16, subtype;
+ struct wlan_network *cur_network = &(Adapter->mlmepriv.cur_network);
+ /* u8 wpa_ie[255], rsn_ie[255]; */
+ u16 wpa_len = 0, rsn_len = 0;
+ u8 encryp_protocol = 0;
+ struct wlan_bssid_ex *bssid;
+ int group_cipher = 0, pairwise_cipher = 0, is_8021x = 0;
+ unsigned char *pbuf;
+ u32 wpa_ielen = 0;
+ u8 *pbssid = GetAddr3Ptr(pframe);
+ struct HT_info_element *pht_info = NULL;
+ struct rtw_ieee80211_ht_cap *pht_cap = NULL;
+ u32 bcn_channel;
+ unsigned short ht_cap_info;
+ unsigned char ht_info_infos_0;
+ int ssid_len;
+
+ if (is_client_associated_to_ap(Adapter) == false)
+ return true;
+
+ len = packet_len - sizeof(struct rtw_ieee80211_hdr_3addr);
+
+ if (len > MAX_IE_SZ) {
+ DBG_88E("%s IE too long for survey event\n", __func__);
+ return _FAIL;
+ }
+
+ if (!memcmp(cur_network->network.MacAddress, pbssid, 6) == false) {
+ DBG_88E("Oops: rtw_check_network_encrypt linked but recv other bssid bcn\n%pM %pM\n",
+ (pbssid), (cur_network->network.MacAddress));
+ return true;
+ }
+
+ bssid = kzalloc(sizeof(struct wlan_bssid_ex), GFP_ATOMIC);
+ if (!bssid)
+ return _FAIL;
+
+ subtype = GetFrameSubType(pframe) >> 4;
+
+ if (subtype == WIFI_BEACON)
+ bssid->Reserved[0] = 1;
+
+ bssid->Length = sizeof(struct wlan_bssid_ex) - MAX_IE_SZ + len;
+
+ /* below is to copy the information element */
+ bssid->IELength = len;
+ memcpy(bssid->IEs, (pframe + sizeof(struct rtw_ieee80211_hdr_3addr)), bssid->IELength);
+
+ /* check bw and channel offset */
+ /* parsing HT_CAP_IE */
+ p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _HT_CAPABILITY_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
+ if (p && len > 0) {
+ pht_cap = (struct rtw_ieee80211_ht_cap *)(p + 2);
+ ht_cap_info = pht_cap->cap_info;
+ } else {
+ ht_cap_info = 0;
+ }
+ /* parsing HT_INFO_IE */
+ p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _HT_ADD_INFO_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
+ if (p && len > 0) {
+ pht_info = (struct HT_info_element *)(p + 2);
+ ht_info_infos_0 = pht_info->infos[0];
+ } else {
+ ht_info_infos_0 = 0;
+ }
+ if (ht_cap_info != cur_network->BcnInfo.ht_cap_info ||
+ ((ht_info_infos_0&0x03) != (cur_network->BcnInfo.ht_info_infos_0&0x03))) {
+ DBG_88E("%s bcn now: ht_cap_info:%x ht_info_infos_0:%x\n", __func__,
+ ht_cap_info, ht_info_infos_0);
+ DBG_88E("%s bcn link: ht_cap_info:%x ht_info_infos_0:%x\n", __func__,
+ cur_network->BcnInfo.ht_cap_info, cur_network->BcnInfo.ht_info_infos_0);
+ DBG_88E("%s bw mode change, disconnect\n", __func__);
+ /* bcn_info_update */
+ cur_network->BcnInfo.ht_cap_info = ht_cap_info;
+ cur_network->BcnInfo.ht_info_infos_0 = ht_info_infos_0;
+ /* to do : need to check that whether modify related register of BB or not */
+ /* goto _mismatch; */
+ }
+
+ /* Checking for channel */
+ p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _DSSET_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
+ if (p) {
+ bcn_channel = *(p + 2);
+ } else {/* In 5G, some ap do not have DSSET IE checking HT info for channel */
+ p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _HT_ADD_INFO_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
+ if (pht_info) {
+ bcn_channel = pht_info->primary_channel;
+ } else { /* we don't find channel IE, so don't check it */
+ DBG_88E("Oops: %s we don't find channel IE, so don't check it\n", __func__);
+ bcn_channel = Adapter->mlmeextpriv.cur_channel;
+ }
+ }
+ if (bcn_channel != Adapter->mlmeextpriv.cur_channel) {
+ DBG_88E("%s beacon channel:%d cur channel:%d disconnect\n", __func__,
+ bcn_channel, Adapter->mlmeextpriv.cur_channel);
+ goto _mismatch;
+ }
+
+ /* checking SSID */
+ ssid_len = 0;
+ p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _SSID_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
+ if (p) {
+ ssid_len = *(p + 1);
+ if (ssid_len > NDIS_802_11_LENGTH_SSID)
+ ssid_len = 0;
+ }
+ memcpy(bssid->Ssid.Ssid, (p + 2), ssid_len);
+ bssid->Ssid.SsidLength = ssid_len;
+
+ RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("%s bssid.Ssid.Ssid:%s bssid.Ssid.SsidLength:%d "
+ "cur_network->network.Ssid.Ssid:%s len:%d\n", __func__, bssid->Ssid.Ssid,
+ bssid->Ssid.SsidLength, cur_network->network.Ssid.Ssid,
+ cur_network->network.Ssid.SsidLength));
+
+ if (memcmp(bssid->Ssid.Ssid, cur_network->network.Ssid.Ssid, 32) ||
+ bssid->Ssid.SsidLength != cur_network->network.Ssid.SsidLength) {
+ if (bssid->Ssid.Ssid[0] != '\0' && bssid->Ssid.SsidLength != 0) { /* not hidden ssid */
+ DBG_88E("%s(), SSID is not match return FAIL\n", __func__);
+ goto _mismatch;
+ }
+ }
+
+ /* check encryption info */
+ val16 = rtw_get_capability((struct wlan_bssid_ex *)bssid);
+
+ if (val16 & BIT(4))
+ bssid->Privacy = 1;
+ else
+ bssid->Privacy = 0;
+
+ RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
+ ("%s(): cur_network->network.Privacy is %d, bssid.Privacy is %d\n",
+ __func__, cur_network->network.Privacy, bssid->Privacy));
+ if (cur_network->network.Privacy != bssid->Privacy) {
+ DBG_88E("%s(), privacy is not match return FAIL\n", __func__);
+ goto _mismatch;
+ }
+
+ rtw_get_sec_ie(bssid->IEs, bssid->IELength, NULL, &rsn_len, NULL, &wpa_len);
+
+ if (rsn_len > 0) {
+ encryp_protocol = ENCRYP_PROTOCOL_WPA2;
+ } else if (wpa_len > 0) {
+ encryp_protocol = ENCRYP_PROTOCOL_WPA;
+ } else {
+ if (bssid->Privacy)
+ encryp_protocol = ENCRYP_PROTOCOL_WEP;
+ }
+
+ if (cur_network->BcnInfo.encryp_protocol != encryp_protocol) {
+ DBG_88E("%s(): encryption protocol is not match , return FAIL\n", __func__);
+ goto _mismatch;
+ }
+
+ if (encryp_protocol == ENCRYP_PROTOCOL_WPA || encryp_protocol == ENCRYP_PROTOCOL_WPA2) {
+ pbuf = rtw_get_wpa_ie(&bssid->IEs[12], &wpa_ielen, bssid->IELength-12);
+ if (pbuf && (wpa_ielen > 0)) {
+ if (_SUCCESS == rtw_parse_wpa_ie(pbuf, wpa_ielen+2, &group_cipher, &pairwise_cipher, &is_8021x)) {
+ RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
+ ("%s pnetwork->pairwise_cipher: %d, group_cipher is %d, is_8021x is %d\n", __func__,
+ pairwise_cipher, group_cipher, is_8021x));
+ }
+ } else {
+ pbuf = rtw_get_wpa2_ie(&bssid->IEs[12], &wpa_ielen, bssid->IELength-12);
+
+ if (pbuf && (wpa_ielen > 0)) {
+ if (_SUCCESS == rtw_parse_wpa2_ie(pbuf, wpa_ielen+2, &group_cipher, &pairwise_cipher, &is_8021x)) {
+ RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
+ ("%s pnetwork->pairwise_cipher: %d, pnetwork->group_cipher is %d, is_802x is %d\n",
+ __func__, pairwise_cipher, group_cipher, is_8021x));
+ }
+ }
+ }
+
+ RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
+ ("%s cur_network->group_cipher is %d: %d\n", __func__, cur_network->BcnInfo.group_cipher, group_cipher));
+ if (pairwise_cipher != cur_network->BcnInfo.pairwise_cipher || group_cipher != cur_network->BcnInfo.group_cipher) {
+ DBG_88E("%s pairwise_cipher(%x:%x) or group_cipher(%x:%x) is not match , return FAIL\n", __func__,
+ pairwise_cipher, cur_network->BcnInfo.pairwise_cipher,
+ group_cipher, cur_network->BcnInfo.group_cipher);
+ goto _mismatch;
+ }
+
+ if (is_8021x != cur_network->BcnInfo.is_8021x) {
+ DBG_88E("%s authentication is not match , return FAIL\n", __func__);
+ goto _mismatch;
+ }
+ }
+
+ kfree(bssid);
+ return _SUCCESS;
+
+_mismatch:
+ kfree(bssid);
+ return _FAIL;
+}
+
+void update_beacon_info(struct adapter *padapter, u8 *pframe, uint pkt_len, struct sta_info *psta)
+{
+ unsigned int i;
+ unsigned int len;
+ struct ndis_802_11_var_ie *pIE;
+
+ len = pkt_len - (_BEACON_IE_OFFSET_ + WLAN_HDR_A3_LEN);
+
+ for (i = 0; i < len;) {
+ pIE = (struct ndis_802_11_var_ie *)(pframe + (_BEACON_IE_OFFSET_ + WLAN_HDR_A3_LEN) + i);
+
+ switch (pIE->ElementID) {
+ case _HT_EXTRA_INFO_IE_: /* HT info */
+ /* HT_info_handler(padapter, pIE); */
+ bwmode_update_check(padapter, pIE);
+ break;
+ case _ERPINFO_IE_:
+ ERP_IE_handler(padapter, pIE);
+ VCS_update(padapter, psta);
+ break;
+ default:
+ break;
+ }
+
+ i += (pIE->Length + 2);
+ }
+}
+
+unsigned int is_ap_in_tkip(struct adapter *padapter)
+{
+ u32 i;
+ struct ndis_802_11_var_ie *pIE;
+ struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
+ struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
+ struct wlan_bssid_ex *cur_network = &(pmlmeinfo->network);
+
+ if (rtw_get_capability((struct wlan_bssid_ex *)cur_network) & WLAN_CAPABILITY_PRIVACY) {
+ for (i = sizeof(struct ndis_802_11_fixed_ie); i < pmlmeinfo->network.IELength;) {
+ pIE = (struct ndis_802_11_var_ie *)(pmlmeinfo->network.IEs + i);
+
+ switch (pIE->ElementID) {
+ case _VENDOR_SPECIFIC_IE_:
+ if ((!memcmp(pIE->data, RTW_WPA_OUI, 4)) && (!memcmp((pIE->data + 12), WPA_TKIP_CIPHER, 4)))
+ return true;
+ break;
+ case _RSN_IE_2_:
+ if (!memcmp((pIE->data + 8), RSN_TKIP_CIPHER, 4))
+ return true;
+ default:
+ break;
+ }
+
+ i += (pIE->Length + 2);
+ }
+ return false;
+ } else {
+ return false;
+ }
+}
+
+unsigned int should_forbid_n_rate(struct adapter *padapter)
+{
+ u32 i;
+ struct ndis_802_11_var_ie *pIE;
+ struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
+ struct wlan_bssid_ex *cur_network = &pmlmepriv->cur_network.network;
+
+ if (rtw_get_capability((struct wlan_bssid_ex *)cur_network) & WLAN_CAPABILITY_PRIVACY) {
+ for (i = sizeof(struct ndis_802_11_fixed_ie); i < cur_network->IELength;) {
+ pIE = (struct ndis_802_11_var_ie *)(cur_network->IEs + i);
+
+ switch (pIE->ElementID) {
+ case _VENDOR_SPECIFIC_IE_:
+ if (!memcmp(pIE->data, RTW_WPA_OUI, 4) &&
+ ((!memcmp((pIE->data + 12), WPA_CIPHER_SUITE_CCMP, 4)) ||
+ (!memcmp((pIE->data + 16), WPA_CIPHER_SUITE_CCMP, 4))))
+ return false;
+ break;
+ case _RSN_IE_2_:
+ if ((!memcmp((pIE->data + 8), RSN_CIPHER_SUITE_CCMP, 4)) ||
+ (!memcmp((pIE->data + 12), RSN_CIPHER_SUITE_CCMP, 4)))
+ return false;
+ default:
+ break;
+ }
+
+ i += (pIE->Length + 2);
+ }
+
+ return true;
+ } else {
+ return false;
+ }
+}
+
+unsigned int is_ap_in_wep(struct adapter *padapter)
+{
+ u32 i;
+ struct ndis_802_11_var_ie *pIE;
+ struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
+ struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
+ struct wlan_bssid_ex *cur_network = &(pmlmeinfo->network);
+
+ if (rtw_get_capability((struct wlan_bssid_ex *)cur_network) & WLAN_CAPABILITY_PRIVACY) {
+ for (i = sizeof(struct ndis_802_11_fixed_ie); i < pmlmeinfo->network.IELength;) {
+ pIE = (struct ndis_802_11_var_ie *)(pmlmeinfo->network.IEs + i);
+
+ switch (pIE->ElementID) {
+ case _VENDOR_SPECIFIC_IE_:
+ if (!memcmp(pIE->data, RTW_WPA_OUI, 4))
+ return false;
+ break;
+ case _RSN_IE_2_:
+ return false;
+ default:
+ break;
+ }
+ i += (pIE->Length + 2);
+ }
+ return true;
+ } else {
+ return false;
+ }
+}
+
+static int wifirate2_ratetbl_inx(unsigned char rate)
+{
+ rate = rate & 0x7f;
+
+ switch (rate) {
+ case 54*2:
+ return 11;
+ case 48*2:
+ return 10;
+ case 36*2:
+ return 9;
+ case 24*2:
+ return 8;
+ case 18*2:
+ return 7;
+ case 12*2:
+ return 6;
+ case 9*2:
+ return 5;
+ case 6*2:
+ return 4;
+ case 11*2:
+ return 3;
+ case 11:
+ return 2;
+ case 2*2:
+ return 1;
+ case 1*2:
+ return 0;
+ default:
+ return 0;
+ }
+}
+
+unsigned int update_basic_rate(unsigned char *ptn, unsigned int ptn_sz)
+{
+ unsigned int i, num_of_rate;
+ unsigned int mask = 0;
+
+ num_of_rate = (ptn_sz > NumRates) ? NumRates : ptn_sz;
+
+ for (i = 0; i < num_of_rate; i++) {
+ if ((*(ptn + i)) & 0x80)
+ mask |= 0x1 << wifirate2_ratetbl_inx(*(ptn + i));
+ }
+ return mask;
+}
+
+unsigned int update_supported_rate(unsigned char *ptn, unsigned int ptn_sz)
+{
+ unsigned int i, num_of_rate;
+ unsigned int mask = 0;
+
+ num_of_rate = (ptn_sz > NumRates) ? NumRates : ptn_sz;
+
+ for (i = 0; i < num_of_rate; i++)
+ mask |= 0x1 << wifirate2_ratetbl_inx(*(ptn + i));
+ return mask;
+}
+
+unsigned int update_MSC_rate(struct HT_caps_element *pHT_caps)
+{
+ unsigned int mask = 0;
+
+ mask = (pHT_caps->u.HT_cap_element.MCS_rate[0] << 12) | (pHT_caps->u.HT_cap_element.MCS_rate[1] << 20);
+
+ return mask;
+}
+
+int support_short_GI(struct adapter *padapter, struct HT_caps_element *pHT_caps)
+{
+ unsigned char bit_offset;
+ struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
+ struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
+
+ if (!(pmlmeinfo->HT_enable))
+ return _FAIL;
+
+ if (pmlmeinfo->assoc_AP_vendor == HT_IOT_PEER_RALINK)
+ return _FAIL;
+
+ bit_offset = (pmlmeext->cur_bwmode & HT_CHANNEL_WIDTH_40) ? 6 : 5;
+
+ if (__le16_to_cpu(pHT_caps->u.HT_cap_element.HT_caps_info) & (0x1 << bit_offset))
+ return _SUCCESS;
+ else
+ return _FAIL;
+}
+
+unsigned char get_highest_rate_idx(u32 mask)
+{
+ int i;
+ unsigned char rate_idx = 0;
+
+ for (i = 27; i >= 0; i--) {
+ if (mask & BIT(i)) {
+ rate_idx = i;
+ break;
+ }
+ }
+ return rate_idx;
+}
+
+void Update_RA_Entry(struct adapter *padapter, u32 mac_id)
+{
+ rtw_hal_update_ra_mask(padapter, mac_id, 0);
+}
+
+static void enable_rate_adaptive(struct adapter *padapter, u32 mac_id)
+{
+ Update_RA_Entry(padapter, mac_id);
+}
+
+void set_sta_rate(struct adapter *padapter, struct sta_info *psta)
+{
+ /* rate adaptive */
+ enable_rate_adaptive(padapter, psta->mac_id);
+}
+
+/* Update RRSR and Rate for USERATE */
+void update_tx_basic_rate(struct adapter *padapter, u8 wirelessmode)
+{
+ unsigned char supported_rates[NDIS_802_11_LENGTH_RATES_EX];
+ memset(supported_rates, 0, NDIS_802_11_LENGTH_RATES_EX);
+
+ if ((wirelessmode & WIRELESS_11B) && (wirelessmode == WIRELESS_11B))
+ memcpy(supported_rates, rtw_basic_rate_cck, 4);
+ else if (wirelessmode & WIRELESS_11B)
+ memcpy(supported_rates, rtw_basic_rate_mix, 7);
+ else
+ memcpy(supported_rates, rtw_basic_rate_ofdm, 3);
+
+
+ if (wirelessmode & WIRELESS_11B)
+ update_mgnt_tx_rate(padapter, IEEE80211_CCK_RATE_1MB);
+ else
+ update_mgnt_tx_rate(padapter, IEEE80211_OFDM_RATE_6MB);
+
+ rtw_hal_set_hwreg(padapter, HW_VAR_BASIC_RATE, supported_rates);
+}
+
+unsigned char check_assoc_AP(u8 *pframe, uint len)
+{
+ unsigned int i;
+ struct ndis_802_11_var_ie *pIE;
+ u8 epigram_vendor_flag;
+ u8 ralink_vendor_flag;
+ epigram_vendor_flag = 0;
+ ralink_vendor_flag = 0;
+
+ for (i = sizeof(struct ndis_802_11_fixed_ie); i < len;) {
+ pIE = (struct ndis_802_11_var_ie *)(pframe + i);
+
+ switch (pIE->ElementID) {
+ case _VENDOR_SPECIFIC_IE_:
+ if ((!memcmp(pIE->data, ARTHEROS_OUI1, 3)) ||
+ (!memcmp(pIE->data, ARTHEROS_OUI2, 3))) {
+ DBG_88E("link to Artheros AP\n");
+ return HT_IOT_PEER_ATHEROS;
+ } else if ((!memcmp(pIE->data, BROADCOM_OUI1, 3)) ||
+ (!memcmp(pIE->data, BROADCOM_OUI2, 3))) {
+ DBG_88E("link to Broadcom AP\n");
+ return HT_IOT_PEER_BROADCOM;
+ } else if (!memcmp(pIE->data, MARVELL_OUI, 3)) {
+ DBG_88E("link to Marvell AP\n");
+ return HT_IOT_PEER_MARVELL;
+ } else if (!memcmp(pIE->data, RALINK_OUI, 3)) {
+ if (!ralink_vendor_flag) {
+ ralink_vendor_flag = 1;
+ } else {
+ DBG_88E("link to Ralink AP\n");
+ return HT_IOT_PEER_RALINK;
+ }
+ } else if (!memcmp(pIE->data, CISCO_OUI, 3)) {
+ DBG_88E("link to Cisco AP\n");
+ return HT_IOT_PEER_CISCO;
+ } else if (!memcmp(pIE->data, REALTEK_OUI, 3)) {
+ DBG_88E("link to Realtek 96B\n");
+ return HT_IOT_PEER_REALTEK;
+ } else if (!memcmp(pIE->data, AIRGOCAP_OUI, 3)) {
+ DBG_88E("link to Airgo Cap\n");
+ return HT_IOT_PEER_AIRGO;
+ } else if (!memcmp(pIE->data, EPIGRAM_OUI, 3)) {
+ epigram_vendor_flag = 1;
+ if (ralink_vendor_flag) {
+ DBG_88E("link to Tenda W311R AP\n");
+ return HT_IOT_PEER_TENDA;
+ } else {
+ DBG_88E("Capture EPIGRAM_OUI\n");
+ }
+ } else {
+ break;
+ }
+
+ default:
+ break;
+ }
+ i += (pIE->Length + 2);
+ }
+
+ if (ralink_vendor_flag && !epigram_vendor_flag) {
+ DBG_88E("link to Ralink AP\n");
+ return HT_IOT_PEER_RALINK;
+ } else if (ralink_vendor_flag && epigram_vendor_flag) {
+ DBG_88E("link to Tenda W311R AP\n");
+ return HT_IOT_PEER_TENDA;
+ } else {
+ DBG_88E("link to new AP\n");
+ return HT_IOT_PEER_UNKNOWN;
+ }
+}
+
+void update_IOT_info(struct adapter *padapter)
+{
+ struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
+ struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
+
+ switch (pmlmeinfo->assoc_AP_vendor) {
+ case HT_IOT_PEER_MARVELL:
+ pmlmeinfo->turboMode_cts2self = 1;
+ pmlmeinfo->turboMode_rtsen = 0;
+ break;
+ case HT_IOT_PEER_RALINK:
+ pmlmeinfo->turboMode_cts2self = 0;
+ pmlmeinfo->turboMode_rtsen = 1;
+ /* disable high power */
+ Switch_DM_Func(padapter, (~DYNAMIC_BB_DYNAMIC_TXPWR), false);
+ break;
+ case HT_IOT_PEER_REALTEK:
+ /* rtw_write16(padapter, 0x4cc, 0xffff); */
+ /* rtw_write16(padapter, 0x546, 0x01c0); */
+ /* disable high power */
+ Switch_DM_Func(padapter, (~DYNAMIC_BB_DYNAMIC_TXPWR), false);
+ break;
+ default:
+ pmlmeinfo->turboMode_cts2self = 0;
+ pmlmeinfo->turboMode_rtsen = 1;
+ break;
+ }
+}
+
+void update_capinfo(struct adapter *Adapter, u16 updateCap)
+{
+ struct mlme_ext_priv *pmlmeext = &Adapter->mlmeextpriv;
+ struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
+ bool ShortPreamble;
+
+ /* Check preamble mode, 2005.01.06, by rcnjko. */
+ /* Mark to update preamble value forever, 2008.03.18 by lanhsin */
+
+ if (updateCap & cShortPreamble) { /* Short Preamble */
+ if (pmlmeinfo->preamble_mode != PREAMBLE_SHORT) { /* PREAMBLE_LONG or PREAMBLE_AUTO */
+ ShortPreamble = true;
+ pmlmeinfo->preamble_mode = PREAMBLE_SHORT;
+ rtw_hal_set_hwreg(Adapter, HW_VAR_ACK_PREAMBLE, (u8 *)&ShortPreamble);
+ }
+ } else { /* Long Preamble */
+ if (pmlmeinfo->preamble_mode != PREAMBLE_LONG) { /* PREAMBLE_SHORT or PREAMBLE_AUTO */
+ ShortPreamble = false;
+ pmlmeinfo->preamble_mode = PREAMBLE_LONG;
+ rtw_hal_set_hwreg(Adapter, HW_VAR_ACK_PREAMBLE, (u8 *)&ShortPreamble);
+ }
+ }
+
+ if (updateCap & cIBSS) {
+ /* Filen: See 802.11-2007 p.91 */
+ pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME;
+ } else { /* Filen: See 802.11-2007 p.90 */
+ if (pmlmeext->cur_wireless_mode & (WIRELESS_11G | WIRELESS_11_24N)) {
+ if (updateCap & cShortSlotTime) { /* Short Slot Time */
+ if (pmlmeinfo->slotTime != SHORT_SLOT_TIME)
+ pmlmeinfo->slotTime = SHORT_SLOT_TIME;
+ } else { /* Long Slot Time */
+ if (pmlmeinfo->slotTime != NON_SHORT_SLOT_TIME)
+ pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME;
+ }
+ } else if (pmlmeext->cur_wireless_mode & (WIRELESS_11A | WIRELESS_11_5N)) {
+ pmlmeinfo->slotTime = SHORT_SLOT_TIME;
+ } else {
+ /* B Mode */
+ pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME;
+ }
+ }
+
+ rtw_hal_set_hwreg(Adapter, HW_VAR_SLOT_TIME, &pmlmeinfo->slotTime);
+}
+
+void update_wireless_mode(struct adapter *padapter)
+{
+ int ratelen, network_type = 0;
+ u32 SIFS_Timer;
+ struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
+ struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
+ struct wlan_bssid_ex *cur_network = &(pmlmeinfo->network);
+ unsigned char *rate = cur_network->SupportedRates;
+
+ ratelen = rtw_get_rateset_len(cur_network->SupportedRates);
+
+ if ((pmlmeinfo->HT_info_enable) && (pmlmeinfo->HT_caps_enable))
+ pmlmeinfo->HT_enable = 1;
+
+ if (pmlmeext->cur_channel > 14) {
+ if (pmlmeinfo->HT_enable)
+ network_type = WIRELESS_11_5N;
+
+ network_type |= WIRELESS_11A;
+ } else {
+ if (pmlmeinfo->HT_enable)
+ network_type = WIRELESS_11_24N;
+
+ if ((cckratesonly_included(rate, ratelen)) == true)
+ network_type |= WIRELESS_11B;
+ else if ((cckrates_included(rate, ratelen)) == true)
+ network_type |= WIRELESS_11BG;
+ else
+ network_type |= WIRELESS_11G;
+ }
+
+ pmlmeext->cur_wireless_mode = network_type & padapter->registrypriv.wireless_mode;
+
+ SIFS_Timer = 0x0a0a0808;/* 0x0808 -> for CCK, 0x0a0a -> for OFDM */
+ /* change this value if having IOT issues. */
+
+ padapter->HalFunc.SetHwRegHandler(padapter, HW_VAR_RESP_SIFS, (u8 *)&SIFS_Timer);
+
+ if (pmlmeext->cur_wireless_mode & WIRELESS_11B)
+ update_mgnt_tx_rate(padapter, IEEE80211_CCK_RATE_1MB);
+ else
+ update_mgnt_tx_rate(padapter, IEEE80211_OFDM_RATE_6MB);
+}
+
+void update_bmc_sta_support_rate(struct adapter *padapter, u32 mac_id)
+{
+ struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
+ struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
+
+ if (pmlmeext->cur_wireless_mode & WIRELESS_11B) {
+ /* Only B, B/G, and B/G/N AP could use CCK rate */
+ memcpy((pmlmeinfo->FW_sta_info[mac_id].SupportedRates), rtw_basic_rate_cck, 4);
+ } else {
+ memcpy((pmlmeinfo->FW_sta_info[mac_id].SupportedRates), rtw_basic_rate_ofdm, 3);
+ }
+}
+
+int update_sta_support_rate(struct adapter *padapter, u8 *pvar_ie, uint var_ie_len, int cam_idx)
+{
+ unsigned int ie_len;
+ struct ndis_802_11_var_ie *pIE;
+ int supportRateNum = 0;
+ struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
+ struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
+
+ pIE = (struct ndis_802_11_var_ie *)rtw_get_ie(pvar_ie, _SUPPORTEDRATES_IE_, &ie_len, var_ie_len);
+ if (pIE == NULL)
+ return _FAIL;
+ if (ie_len > NDIS_802_11_LENGTH_RATES_EX)
+ return _FAIL;
+
+ memcpy(pmlmeinfo->FW_sta_info[cam_idx].SupportedRates, pIE->data, ie_len);
+ supportRateNum = ie_len;
+
+ pIE = (struct ndis_802_11_var_ie *)rtw_get_ie(pvar_ie, _EXT_SUPPORTEDRATES_IE_, &ie_len, var_ie_len);
+ if (pIE) {
+ if (supportRateNum + ie_len > NDIS_802_11_LENGTH_RATES_EX)
+ return _FAIL;
+ memcpy((pmlmeinfo->FW_sta_info[cam_idx].SupportedRates + supportRateNum), pIE->data, ie_len);
+ }
+
+ return _SUCCESS;
+}
+
+void process_addba_req(struct adapter *padapter, u8 *paddba_req, u8 *addr)
+{
+ struct sta_info *psta;
+ u16 tid;
+ u16 param;
+ struct recv_reorder_ctrl *preorder_ctrl;
+ struct sta_priv *pstapriv = &padapter->stapriv;
+ struct ADDBA_request *preq = (struct ADDBA_request *)paddba_req;
+ struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
+ struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
+
+ psta = rtw_get_stainfo(pstapriv, addr);
+
+ if (psta) {
+ param = le16_to_cpu(preq->BA_para_set);
+ tid = (param>>2)&0x0f;
+ preorder_ctrl = &psta->recvreorder_ctrl[tid];
+ preorder_ctrl->indicate_seq = 0xffff;
+ preorder_ctrl->enable = (pmlmeinfo->bAcceptAddbaReq) ? true : false;
+ }
+}
+
+void update_TSF(struct mlme_ext_priv *pmlmeext, u8 *pframe, uint len)
+{
+ u8 *pIE;
+ __le32 *pbuf;
+
+ pIE = pframe + sizeof(struct rtw_ieee80211_hdr_3addr);
+ pbuf = (__le32 *)pIE;
+
+ pmlmeext->TSFValue = le32_to_cpu(*(pbuf+1));
+
+ pmlmeext->TSFValue = pmlmeext->TSFValue << 32;
+
+ pmlmeext->TSFValue |= le32_to_cpu(*pbuf);
+}
+
+void correct_TSF(struct adapter *padapter, struct mlme_ext_priv *pmlmeext)
+{
+ rtw_hal_set_hwreg(padapter, HW_VAR_CORRECT_TSF, NULL);
+}
+
+void beacon_timing_control(struct adapter *padapter)
+{
+ rtw_hal_bcn_related_reg_setting(padapter);
+}
Code Review / kvmfornfv.git / blobdiff