diff options
Diffstat (limited to 'drivers/staging/r8188eu/core/rtw_wlan_util.c')
-rw-r--r-- | drivers/staging/r8188eu/core/rtw_wlan_util.c | 145 |
1 files changed, 115 insertions, 30 deletions
diff --git a/drivers/staging/r8188eu/core/rtw_wlan_util.c b/drivers/staging/r8188eu/core/rtw_wlan_util.c index 392a65783f32..3a002cb6834f 100644 --- a/drivers/staging/r8188eu/core/rtw_wlan_util.c +++ b/drivers/staging/r8188eu/core/rtw_wlan_util.c @@ -264,23 +264,30 @@ void UpdateBrateTblForSoftAP(u8 *bssrateset, u32 bssratelen) void Save_DM_Func_Flag(struct adapter *padapter) { - u8 saveflag = true; + struct hal_data_8188e *haldata = &padapter->haldata; + struct odm_dm_struct *odmpriv = &haldata->odmpriv; - SetHwReg8188EU(padapter, HW_VAR_DM_FUNC_OP, (u8 *)(&saveflag)); + odmpriv->BK_SupportAbility = odmpriv->SupportAbility; } void Restore_DM_Func_Flag(struct adapter *padapter) { - u8 saveflag = false; + struct hal_data_8188e *haldata = &padapter->haldata; + struct odm_dm_struct *odmpriv = &haldata->odmpriv; - SetHwReg8188EU(padapter, HW_VAR_DM_FUNC_OP, (u8 *)(&saveflag)); + odmpriv->SupportAbility = odmpriv->BK_SupportAbility; } void Set_MSR(struct adapter *padapter, u8 type) { u8 val8; + int res; + + res = rtw_read8(padapter, MSR, &val8); + if (res) + return; - val8 = rtw_read8(padapter, MSR) & 0x0c; + val8 &= 0x0c; val8 |= type; rtw_write8(padapter, MSR, val8); } @@ -505,7 +512,11 @@ int WMM_param_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE) static void set_acm_ctrl(struct adapter *adapter, u8 acm_mask) { - u8 acmctrl = rtw_read8(adapter, REG_ACMHWCTRL); + u8 acmctrl; + int res = rtw_read8(adapter, REG_ACMHWCTRL, &acmctrl); + + if (res) + return; if (acm_mask > 1) acmctrl = acmctrl | 0x1; @@ -765,6 +776,7 @@ void HT_info_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE) static void set_min_ampdu_spacing(struct adapter *adapter, u8 spacing) { u8 sec_spacing; + int res; if (spacing <= 7) { switch (adapter->securitypriv.dot11PrivacyAlgrthm) { @@ -786,8 +798,38 @@ static void set_min_ampdu_spacing(struct adapter *adapter, u8 spacing) if (spacing < sec_spacing) spacing = sec_spacing; + res = rtw_read8(adapter, REG_AMPDU_MIN_SPACE, &sec_spacing); + if (res) + return; + rtw_write8(adapter, REG_AMPDU_MIN_SPACE, - (rtw_read8(adapter, REG_AMPDU_MIN_SPACE) & 0xf8) | spacing); + (sec_spacing & 0xf8) | spacing); + } +} + +static void set_ampdu_factor(struct adapter *adapter, u8 factor) +{ + u8 RegToSet_Normal[4] = {0x41, 0xa8, 0x72, 0xb9}; + u8 FactorToSet; + u8 *pRegToSet; + u8 index = 0; + + pRegToSet = RegToSet_Normal; /* 0xb972a841; */ + FactorToSet = factor; + if (FactorToSet <= 3) { + FactorToSet = (1 << (FactorToSet + 2)); + if (FactorToSet > 0xf) + FactorToSet = 0xf; + + for (index = 0; index < 4; index++) { + if ((pRegToSet[index] & 0xf0) > (FactorToSet << 4)) + pRegToSet[index] = (pRegToSet[index] & 0x0f) | (FactorToSet << 4); + + if ((pRegToSet[index] & 0x0f) > FactorToSet) + pRegToSet[index] = (pRegToSet[index] & 0xf0) | (FactorToSet); + + rtw_write8(adapter, (REG_AGGLEN_LMT + index), pRegToSet[index]); + } } } @@ -817,7 +859,7 @@ void HTOnAssocRsp(struct adapter *padapter) set_min_ampdu_spacing(padapter, min_MPDU_spacing); - SetHwReg8188EU(padapter, HW_VAR_AMPDU_FACTOR, (u8 *)(&max_AMPDU_len)); + set_ampdu_factor(padapter, max_AMPDU_len); } void ERP_IE_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE) @@ -1225,6 +1267,45 @@ void set_sta_rate(struct adapter *padapter, struct sta_info *psta) enable_rate_adaptive(padapter, psta->mac_id); } +void rtw_set_basic_rate(struct adapter *adapter, u8 *rates) +{ + u16 BrateCfg = 0; + u8 RateIndex = 0; + int res; + u8 reg; + + /* 2007.01.16, by Emily */ + /* Select RRSR (in Legacy-OFDM and CCK) */ + /* For 8190, we select only 24M, 12M, 6M, 11M, 5.5M, 2M, and 1M from the Basic rate. */ + /* We do not use other rates. */ + HalSetBrateCfg(adapter, rates, &BrateCfg); + + /* 2011.03.30 add by Luke Lee */ + /* CCK 2M ACK should be disabled for some BCM and Atheros AP IOT */ + /* because CCK 2M has poor TXEVM */ + /* CCK 5.5M & 11M ACK should be enabled for better performance */ + + BrateCfg = (BrateCfg | 0xd) & 0x15d; + + BrateCfg |= 0x01; /* default enable 1M ACK rate */ + /* Set RRSR rate table. */ + rtw_write8(adapter, REG_RRSR, BrateCfg & 0xff); + rtw_write8(adapter, REG_RRSR + 1, (BrateCfg >> 8) & 0xff); + res = rtw_read8(adapter, REG_RRSR + 2, ®); + if (res) + return; + + rtw_write8(adapter, REG_RRSR + 2, reg & 0xf0); + + /* Set RTS initial rate */ + while (BrateCfg > 0x1) { + BrateCfg = (BrateCfg >> 1); + RateIndex++; + } + /* Ziv - Check */ + rtw_write8(adapter, REG_INIRTS_RATE_SEL, RateIndex); +} + /* Update RRSR and Rate for USERATE */ void update_tx_basic_rate(struct adapter *padapter, u8 wirelessmode) { @@ -1250,7 +1331,7 @@ void update_tx_basic_rate(struct adapter *padapter, u8 wirelessmode) else update_mgnt_tx_rate(padapter, IEEE80211_OFDM_RATE_6MB); - SetHwReg8188EU(padapter, HW_VAR_BASIC_RATE, supported_rates); + rtw_set_basic_rate(padapter, supported_rates); } unsigned char check_assoc_AP(u8 *pframe, uint len) @@ -1348,6 +1429,30 @@ static void set_ack_preamble(struct adapter *adapter, bool short_preamble) rtw_write8(adapter, REG_RRSR + 2, val8); }; +static void set_slot_time(struct adapter *adapter, u8 slot_time) +{ + u8 u1bAIFS, aSifsTime; + struct mlme_ext_priv *pmlmeext = &adapter->mlmeextpriv; + struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info; + + rtw_write8(adapter, REG_SLOT, slot_time); + + if (pmlmeinfo->WMM_enable == 0) { + if (pmlmeext->cur_wireless_mode == WIRELESS_11B) + aSifsTime = 10; + else + aSifsTime = 16; + + u1bAIFS = aSifsTime + (2 * pmlmeinfo->slotTime); + + /* <Roger_EXP> Temporary removed, 2008.06.20. */ + rtw_write8(adapter, REG_EDCA_VO_PARAM, u1bAIFS); + rtw_write8(adapter, REG_EDCA_VI_PARAM, u1bAIFS); + rtw_write8(adapter, REG_EDCA_BE_PARAM, u1bAIFS); + rtw_write8(adapter, REG_EDCA_BK_PARAM, u1bAIFS); + } +} + void update_capinfo(struct adapter *Adapter, u16 updateCap) { struct mlme_ext_priv *pmlmeext = &Adapter->mlmeextpriv; @@ -1386,7 +1491,7 @@ void update_capinfo(struct adapter *Adapter, u16 updateCap) } } - SetHwReg8188EU(Adapter, HW_VAR_SLOT_TIME, &pmlmeinfo->slotTime); + set_slot_time(Adapter, pmlmeinfo->slotTime); } void update_wireless_mode(struct adapter *padapter) @@ -1466,26 +1571,6 @@ int update_sta_support_rate(struct adapter *padapter, u8 *pvar_ie, uint var_ie_l return _SUCCESS; } -void update_TSF(struct mlme_ext_priv *pmlmeext, u8 *pframe, uint len) -{ - u8 *pIE; - __le32 *pbuf; - - pIE = pframe + sizeof(struct 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) -{ - SetHwReg8188EU(padapter, HW_VAR_CORRECT_TSF, NULL); -} - void beacon_timing_control(struct adapter *padapter) { SetBeaconRelatedRegisters8188EUsb(padapter); |