From: Larry Finger Date: Thu, 22 Aug 2013 03:33:49 +0000 (-0500) Subject: staging: r8188eu: Add files for new driver - part 7 X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=d6846af679e0b91ddff5dcd6af731464465f9188;p=openwrt%2Fstaging%2Fblogic.git staging: r8188eu: Add files for new driver - part 7 This commit adds core/rtw_wlan_util.c and core/rtw_xmit.c Signed-off-by: Larry Finger Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/staging/rtl8188eu/core/rtw_wlan_util.c b/drivers/staging/rtl8188eu/core/rtw_wlan_util.c new file mode 100644 index 000000000000..a43fc8892d61 --- /dev/null +++ b/drivers/staging/rtl8188eu/core/rtw_wlan_util.c @@ -0,0 +1,1689 @@ +/****************************************************************************** + * + * 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 +#include +#include + +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) +{ + unsigned char raid; + + switch (network_type) { + case WIRELESS_11B: + raid = RATR_INX_WIRELESS_B; + break; + case WIRELESS_11A: + case WIRELESS_11G: + raid = RATR_INX_WIRELESS_G; + break; + case WIRELESS_11BG: + raid = RATR_INX_WIRELESS_GB; + break; + case WIRELESS_11_24N: + case WIRELESS_11_5N: + raid = RATR_INX_WIRELESS_N; + break; + case WIRELESS_11A_5N: + case WIRELESS_11G_24N: + raid = RATR_INX_WIRELESS_NG; + break; + case WIRELESS_11BG_24N: + raid = RATR_INX_WIRELESS_NGB; + break; + default: + raid = RATR_INX_WIRELESS_GB; + break; + } + return raid; +} + +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) +{ + unsigned char val = 0; + + switch (rate & 0x7f) { + case 0: + val = IEEE80211_CCK_RATE_1MB; + break; + case 1: + val = IEEE80211_CCK_RATE_2MB; + break; + case 2: + val = IEEE80211_CCK_RATE_5MB; + break; + case 3: + val = IEEE80211_CCK_RATE_11MB; + break; + case 4: + val = IEEE80211_OFDM_RATE_6MB; + break; + case 5: + val = IEEE80211_OFDM_RATE_9MB; + break; + case 6: + val = IEEE80211_OFDM_RATE_12MB; + break; + case 7: + val = IEEE80211_OFDM_RATE_18MB; + break; + case 8: + val = IEEE80211_OFDM_RATE_24MB; + break; + case 9: + val = IEEE80211_OFDM_RATE_36MB; + break; + case 10: + val = IEEE80211_OFDM_RATE_48MB; + break; + case 11: + val = IEEE80211_OFDM_RATE_54MB; + break; + } + return val; +} + +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]; + + _rtw_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; +} + +__inline u8 *get_my_bssid(struct wlan_bssid_ex *pnetwork) +{ + return pnetwork->MacAddress; +} + +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); + + _rtw_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; + + /* 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]); + } + + return; +} + +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]; + } + return; +} + +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); + return; +} + +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); + u32 hidden_ssid = 0; + 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; + + 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 (_rtw_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 = (struct wlan_bssid_ex *)rtw_zmalloc(sizeof(struct wlan_bssid_ex)); + + 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 */ + p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _SSID_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_); + if (p == NULL) { + DBG_88E("%s marc: cannot find SSID for survey event\n", __func__); + hidden_ssid = true; + } else { + hidden_ssid = false; + } + + if ((NULL != p) && (false == hidden_ssid && (*(p + 1)))) { + memcpy(bssid->Ssid.Ssid, (p + 2), *(p + 1)); + bssid->Ssid.SsidLength = *(p + 1); + } else { + bssid->Ssid.SsidLength = 0; + bssid->Ssid.Ssid[0] = '\0'; + } + + 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 (!_rtw_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(): enctyp 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; + + _func_exit_; +} + +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 ((_rtw_memcmp(pIE->data, RTW_WPA_OUI, 4)) && (_rtw_memcmp((pIE->data + 12), WPA_TKIP_CIPHER, 4))) + return true; + break; + case _RSN_IE_2_: + if (_rtw_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 (_rtw_memcmp(pIE->data, RTW_WPA_OUI, 4) && + ((_rtw_memcmp((pIE->data + 12), WPA_CIPHER_SUITE_CCMP, 4)) || + (_rtw_memcmp((pIE->data + 16), WPA_CIPHER_SUITE_CCMP, 4)))) + return false; + break; + case _RSN_IE_2_: + if ((_rtw_memcmp((pIE->data + 8), RSN_CIPHER_SUITE_CCMP, 4)) || + (_rtw_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 (_rtw_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; + } +} + +int wifirate2_ratetbl_inx(unsigned char rate) +{ + int inx = 0; + rate = rate & 0x7f; + + switch (rate) { + case 54*2: + inx = 11; + break; + case 48*2: + inx = 10; + break; + case 36*2: + inx = 9; + break; + case 24*2: + inx = 8; + break; + case 18*2: + inx = 7; + break; + case 12*2: + inx = 6; + break; + case 9*2: + inx = 5; + break; + case 6*2: + inx = 4; + break; + case 11*2: + inx = 3; + break; + case 11: + inx = 2; + break; + case 2*2: + inx = 1; + break; + case 1*2: + inx = 0; + break; + } + return inx; +} + +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]; +#ifdef CONFIG_88EU_P2P + struct wifidirect_info *pwdinfo = &padapter->wdinfo; + + /* Added by Albert 2011/03/22 */ + /* In the P2P mode, the driver should not support the b mode. */ + /* So, the Tx packet shouldn't use the CCK rate */ + if (!rtw_p2p_chk_state(pwdinfo, P2P_STATE_NONE)) + return; +#endif /* CONFIG_88EU_P2P */ + _rtw_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 ((_rtw_memcmp(pIE->data, ARTHEROS_OUI1, 3)) || + (_rtw_memcmp(pIE->data, ARTHEROS_OUI2, 3))) { + DBG_88E("link to Artheros AP\n"); + return HT_IOT_PEER_ATHEROS; + } else if ((_rtw_memcmp(pIE->data, BROADCOM_OUI1, 3)) || + (_rtw_memcmp(pIE->data, BROADCOM_OUI2, 3)) || + (_rtw_memcmp(pIE->data, BROADCOM_OUI2, 3))) { + DBG_88E("link to Broadcom AP\n"); + return HT_IOT_PEER_BROADCOM; + } else if (_rtw_memcmp(pIE->data, MARVELL_OUI, 3)) { + DBG_88E("link to Marvell AP\n"); + return HT_IOT_PEER_MARVELL; + } else if (_rtw_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 (_rtw_memcmp(pIE->data, CISCO_OUI, 3)) { + DBG_88E("link to Cisco AP\n"); + return HT_IOT_PEER_CISCO; + } else if (_rtw_memcmp(pIE->data, REALTEK_OUI, 3)) { + DBG_88E("link to Realtek 96B\n"); + return HT_IOT_PEER_REALTEK; + } else if (_rtw_memcmp(pIE->data, AIRGOCAP_OUI, 3)) { + DBG_88E("link to Airgo Cap\n"); + return HT_IOT_PEER_AIRGO; + } else if (_rtw_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, 4); + } +} + +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; + + 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) + 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); +} + +static struct adapter *pbuddy_padapter; + +int rtw_handle_dualmac(struct adapter *adapter, bool init) +{ + int status = _SUCCESS; + + if (init) { + if (pbuddy_padapter == NULL) { + pbuddy_padapter = adapter; + DBG_88E("%s(): pbuddy_padapter == NULL, Set pbuddy_padapter\n", __func__); + } else { + adapter->pbuddy_adapter = pbuddy_padapter; + pbuddy_padapter->pbuddy_adapter = adapter; + /* clear global value */ + pbuddy_padapter = NULL; + DBG_88E("%s(): pbuddy_padapter exist, Exchange Information\n", __func__); + } + } else { + pbuddy_padapter = NULL; + } + return status; +} diff --git a/drivers/staging/rtl8188eu/core/rtw_xmit.c b/drivers/staging/rtl8188eu/core/rtw_xmit.c new file mode 100644 index 000000000000..bb5cd95c564e --- /dev/null +++ b/drivers/staging/rtl8188eu/core/rtw_xmit.c @@ -0,0 +1,2447 @@ +/****************************************************************************** + * + * 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_XMIT_C_ + +#include +#include +#include +#include +#include +#include +#include + +static u8 P802_1H_OUI[P80211_OUI_LEN] = { 0x00, 0x00, 0xf8 }; +static u8 RFC1042_OUI[P80211_OUI_LEN] = { 0x00, 0x00, 0x00 }; + +static void _init_txservq(struct tx_servq *ptxservq) +{ +_func_enter_; + _rtw_init_listhead(&ptxservq->tx_pending); + _rtw_init_queue(&ptxservq->sta_pending); + ptxservq->qcnt = 0; +_func_exit_; +} + +void _rtw_init_sta_xmit_priv(struct sta_xmit_priv *psta_xmitpriv) +{ +_func_enter_; + _rtw_memset((unsigned char *)psta_xmitpriv, 0, sizeof (struct sta_xmit_priv)); + _rtw_spinlock_init(&psta_xmitpriv->lock); + _init_txservq(&psta_xmitpriv->be_q); + _init_txservq(&psta_xmitpriv->bk_q); + _init_txservq(&psta_xmitpriv->vi_q); + _init_txservq(&psta_xmitpriv->vo_q); + _rtw_init_listhead(&psta_xmitpriv->legacy_dz); + _rtw_init_listhead(&psta_xmitpriv->apsd); + +_func_exit_; +} + +s32 _rtw_init_xmit_priv(struct xmit_priv *pxmitpriv, struct adapter *padapter) +{ + int i; + struct xmit_buf *pxmitbuf; + struct xmit_frame *pxframe; + int res = _SUCCESS; + u32 max_xmit_extbuf_size = MAX_XMIT_EXTBUF_SZ; + u32 num_xmit_extbuf = NR_XMIT_EXTBUFF; + +_func_enter_; + + /* We don't need to memset padapter->XXX to zero, because adapter is allocated by rtw_zvmalloc(). */ + + _rtw_spinlock_init(&pxmitpriv->lock); + _rtw_init_sema(&pxmitpriv->xmit_sema, 0); + _rtw_init_sema(&pxmitpriv->terminate_xmitthread_sema, 0); + + /* + Please insert all the queue initializaiton using _rtw_init_queue below + */ + + pxmitpriv->adapter = padapter; + + _rtw_init_queue(&pxmitpriv->be_pending); + _rtw_init_queue(&pxmitpriv->bk_pending); + _rtw_init_queue(&pxmitpriv->vi_pending); + _rtw_init_queue(&pxmitpriv->vo_pending); + _rtw_init_queue(&pxmitpriv->bm_pending); + + _rtw_init_queue(&pxmitpriv->free_xmit_queue); + + /* + Please allocate memory with the sz = (struct xmit_frame) * NR_XMITFRAME, + and initialize free_xmit_frame below. + Please also apply free_txobj to link_up all the xmit_frames... + */ + + pxmitpriv->pallocated_frame_buf = rtw_zvmalloc(NR_XMITFRAME * sizeof(struct xmit_frame) + 4); + + if (pxmitpriv->pallocated_frame_buf == NULL) { + pxmitpriv->pxmit_frame_buf = NULL; + RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("alloc xmit_frame fail!\n")); + res = _FAIL; + goto exit; + } + pxmitpriv->pxmit_frame_buf = (u8 *)N_BYTE_ALIGMENT((size_t)(pxmitpriv->pallocated_frame_buf), 4); + /* pxmitpriv->pxmit_frame_buf = pxmitpriv->pallocated_frame_buf + 4 - */ + /* ((size_t) (pxmitpriv->pallocated_frame_buf) &3); */ + + pxframe = (struct xmit_frame *)pxmitpriv->pxmit_frame_buf; + + for (i = 0; i < NR_XMITFRAME; i++) { + _rtw_init_listhead(&(pxframe->list)); + + pxframe->padapter = padapter; + pxframe->frame_tag = NULL_FRAMETAG; + + pxframe->pkt = NULL; + + pxframe->buf_addr = NULL; + pxframe->pxmitbuf = NULL; + + rtw_list_insert_tail(&(pxframe->list), &(pxmitpriv->free_xmit_queue.queue)); + + pxframe++; + } + + pxmitpriv->free_xmitframe_cnt = NR_XMITFRAME; + + pxmitpriv->frag_len = MAX_FRAG_THRESHOLD; + + /* init xmit_buf */ + _rtw_init_queue(&pxmitpriv->free_xmitbuf_queue); + _rtw_init_queue(&pxmitpriv->pending_xmitbuf_queue); + + pxmitpriv->pallocated_xmitbuf = rtw_zvmalloc(NR_XMITBUFF * sizeof(struct xmit_buf) + 4); + + if (pxmitpriv->pallocated_xmitbuf == NULL) { + RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("alloc xmit_buf fail!\n")); + res = _FAIL; + goto exit; + } + + pxmitpriv->pxmitbuf = (u8 *)N_BYTE_ALIGMENT((size_t)(pxmitpriv->pallocated_xmitbuf), 4); + /* pxmitpriv->pxmitbuf = pxmitpriv->pallocated_xmitbuf + 4 - */ + /* ((size_t) (pxmitpriv->pallocated_xmitbuf) &3); */ + + pxmitbuf = (struct xmit_buf *)pxmitpriv->pxmitbuf; + + for (i = 0; i < NR_XMITBUFF; i++) { + _rtw_init_listhead(&pxmitbuf->list); + + pxmitbuf->priv_data = NULL; + pxmitbuf->padapter = padapter; + pxmitbuf->ext_tag = false; + + /* Tx buf allocation may fail sometimes, so sleep and retry. */ + res = rtw_os_xmit_resource_alloc(padapter, pxmitbuf, (MAX_XMITBUF_SZ + XMITBUF_ALIGN_SZ)); + if (res == _FAIL) { + rtw_msleep_os(10); + res = rtw_os_xmit_resource_alloc(padapter, pxmitbuf, (MAX_XMITBUF_SZ + XMITBUF_ALIGN_SZ)); + if (res == _FAIL) { + goto exit; + } + } + + pxmitbuf->flags = XMIT_VO_QUEUE; + + rtw_list_insert_tail(&pxmitbuf->list, &(pxmitpriv->free_xmitbuf_queue.queue)); + pxmitbuf++; + } + + pxmitpriv->free_xmitbuf_cnt = NR_XMITBUFF; + + /* Init xmit extension buff */ + _rtw_init_queue(&pxmitpriv->free_xmit_extbuf_queue); + + pxmitpriv->pallocated_xmit_extbuf = rtw_zvmalloc(num_xmit_extbuf * sizeof(struct xmit_buf) + 4); + + if (pxmitpriv->pallocated_xmit_extbuf == NULL) { + RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("alloc xmit_extbuf fail!\n")); + res = _FAIL; + goto exit; + } + + pxmitpriv->pxmit_extbuf = (u8 *)N_BYTE_ALIGMENT((size_t)(pxmitpriv->pallocated_xmit_extbuf), 4); + + pxmitbuf = (struct xmit_buf *)pxmitpriv->pxmit_extbuf; + + for (i = 0; i < num_xmit_extbuf; i++) { + _rtw_init_listhead(&pxmitbuf->list); + + pxmitbuf->priv_data = NULL; + pxmitbuf->padapter = padapter; + pxmitbuf->ext_tag = true; + + res = rtw_os_xmit_resource_alloc(padapter, pxmitbuf, max_xmit_extbuf_size + XMITBUF_ALIGN_SZ); + if (res == _FAIL) { + res = _FAIL; + goto exit; + } + + rtw_list_insert_tail(&pxmitbuf->list, &(pxmitpriv->free_xmit_extbuf_queue.queue)); + pxmitbuf++; + } + + pxmitpriv->free_xmit_extbuf_cnt = num_xmit_extbuf; + + rtw_alloc_hwxmits(padapter); + rtw_init_hwxmits(pxmitpriv->hwxmits, pxmitpriv->hwxmit_entry); + + for (i = 0; i < 4; i++) + pxmitpriv->wmm_para_seq[i] = i; + + pxmitpriv->txirp_cnt = 1; + + _rtw_init_sema(&(pxmitpriv->tx_retevt), 0); + + /* per AC pending irp */ + pxmitpriv->beq_cnt = 0; + pxmitpriv->bkq_cnt = 0; + pxmitpriv->viq_cnt = 0; + pxmitpriv->voq_cnt = 0; + + pxmitpriv->ack_tx = false; + _rtw_mutex_init(&pxmitpriv->ack_tx_mutex); + rtw_sctx_init(&pxmitpriv->ack_tx_ops, 0); + + rtw_hal_init_xmit_priv(padapter); + +exit: + +_func_exit_; + + return res; +} + +static void rtw_mfree_xmit_priv_lock (struct xmit_priv *pxmitpriv) +{ + _rtw_spinlock_free(&pxmitpriv->lock); + _rtw_free_sema(&pxmitpriv->xmit_sema); + _rtw_free_sema(&pxmitpriv->terminate_xmitthread_sema); + + _rtw_spinlock_free(&pxmitpriv->be_pending.lock); + _rtw_spinlock_free(&pxmitpriv->bk_pending.lock); + _rtw_spinlock_free(&pxmitpriv->vi_pending.lock); + _rtw_spinlock_free(&pxmitpriv->vo_pending.lock); + _rtw_spinlock_free(&pxmitpriv->bm_pending.lock); + + _rtw_spinlock_free(&pxmitpriv->free_xmit_queue.lock); + _rtw_spinlock_free(&pxmitpriv->free_xmitbuf_queue.lock); + _rtw_spinlock_free(&pxmitpriv->pending_xmitbuf_queue.lock); +} + +void _rtw_free_xmit_priv (struct xmit_priv *pxmitpriv) +{ + int i; + struct adapter *padapter = pxmitpriv->adapter; + struct xmit_frame *pxmitframe = (struct xmit_frame *)pxmitpriv->pxmit_frame_buf; + struct xmit_buf *pxmitbuf = (struct xmit_buf *)pxmitpriv->pxmitbuf; + u32 max_xmit_extbuf_size = MAX_XMIT_EXTBUF_SZ; + u32 num_xmit_extbuf = NR_XMIT_EXTBUFF; + + _func_enter_; + + rtw_hal_free_xmit_priv(padapter); + + rtw_mfree_xmit_priv_lock(pxmitpriv); + + if (pxmitpriv->pxmit_frame_buf == NULL) + goto out; + + for (i = 0; i < NR_XMITFRAME; i++) { + rtw_os_xmit_complete(padapter, pxmitframe); + + pxmitframe++; + } + + for (i = 0; i < NR_XMITBUFF; i++) { + rtw_os_xmit_resource_free(padapter, pxmitbuf, (MAX_XMITBUF_SZ + XMITBUF_ALIGN_SZ)); + pxmitbuf++; + } + + if (pxmitpriv->pallocated_frame_buf) + rtw_vmfree(pxmitpriv->pallocated_frame_buf, NR_XMITFRAME * sizeof(struct xmit_frame) + 4); + + if (pxmitpriv->pallocated_xmitbuf) + rtw_vmfree(pxmitpriv->pallocated_xmitbuf, NR_XMITBUFF * sizeof(struct xmit_buf) + 4); + + /* free xmit extension buff */ + _rtw_spinlock_free(&pxmitpriv->free_xmit_extbuf_queue.lock); + + pxmitbuf = (struct xmit_buf *)pxmitpriv->pxmit_extbuf; + for (i = 0; i < num_xmit_extbuf; i++) { + rtw_os_xmit_resource_free(padapter, pxmitbuf, (max_xmit_extbuf_size + XMITBUF_ALIGN_SZ)); + pxmitbuf++; + } + + if (pxmitpriv->pallocated_xmit_extbuf) { + rtw_vmfree(pxmitpriv->pallocated_xmit_extbuf, num_xmit_extbuf * sizeof(struct xmit_buf) + 4); + } + + rtw_free_hwxmits(padapter); + + _rtw_mutex_free(&pxmitpriv->ack_tx_mutex); + +out: + +_func_exit_; +} + +static void update_attrib_vcs_info(struct adapter *padapter, struct xmit_frame *pxmitframe) +{ + u32 sz; + struct pkt_attrib *pattrib = &pxmitframe->attrib; + struct sta_info *psta = pattrib->psta; + struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv); + struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); + + if (pattrib->nr_frags != 1) + sz = padapter->xmitpriv.frag_len; + else /* no frag */ + sz = pattrib->last_txcmdsz; + + /* (1) RTS_Threshold is compared to the MPDU, not MSDU. */ + /* (2) If there are more than one frag in this MSDU, only the first frag uses protection frame. */ + /* Other fragments are protected by previous fragment. */ + /* So we only need to check the length of first fragment. */ + if (pmlmeext->cur_wireless_mode < WIRELESS_11_24N || padapter->registrypriv.wifi_spec) { + if (sz > padapter->registrypriv.rts_thresh) { + pattrib->vcs_mode = RTS_CTS; + } else { + if (psta->rtsen) + pattrib->vcs_mode = RTS_CTS; + else if (psta->cts2self) + pattrib->vcs_mode = CTS_TO_SELF; + else + pattrib->vcs_mode = NONE_VCS; + } + } else { + while (true) { + /* IOT action */ + if ((pmlmeinfo->assoc_AP_vendor == HT_IOT_PEER_ATHEROS) && pattrib->ampdu_en && + (padapter->securitypriv.dot11PrivacyAlgrthm == _AES_)) { + pattrib->vcs_mode = CTS_TO_SELF; + break; + } + + /* check ERP protection */ + if (psta->rtsen || psta->cts2self) { + if (psta->rtsen) + pattrib->vcs_mode = RTS_CTS; + else if (psta->cts2self) + pattrib->vcs_mode = CTS_TO_SELF; + + break; + } + + /* check HT op mode */ + if (pattrib->ht_en) { + u8 htopmode = pmlmeinfo->HT_protection; + if ((pmlmeext->cur_bwmode && (htopmode == 2 || htopmode == 3)) || + (!pmlmeext->cur_bwmode && htopmode == 3)) { + pattrib->vcs_mode = RTS_CTS; + break; + } + } + + /* check rts */ + if (sz > padapter->registrypriv.rts_thresh) { + pattrib->vcs_mode = RTS_CTS; + break; + } + + /* to do list: check MIMO power save condition. */ + + /* check AMPDU aggregation for TXOP */ + if (pattrib->ampdu_en) { + pattrib->vcs_mode = RTS_CTS; + break; + } + + pattrib->vcs_mode = NONE_VCS; + break; + } + } +} + +static void update_attrib_phy_info(struct pkt_attrib *pattrib, struct sta_info *psta) +{ + /*if (psta->rtsen) + pattrib->vcs_mode = RTS_CTS; + else if (psta->cts2self) + pattrib->vcs_mode = CTS_TO_SELF; + else + pattrib->vcs_mode = NONE_VCS;*/ + + pattrib->mdata = 0; + pattrib->eosp = 0; + pattrib->triggered = 0; + + /* qos_en, ht_en, init rate, , bw, ch_offset, sgi */ + pattrib->qos_en = psta->qos_option; + + pattrib->raid = psta->raid; + pattrib->ht_en = psta->htpriv.ht_option; + pattrib->bwmode = psta->htpriv.bwmode; + pattrib->ch_offset = psta->htpriv.ch_offset; + pattrib->sgi = psta->htpriv.sgi; + pattrib->ampdu_en = false; + pattrib->retry_ctrl = false; +} + +u8 qos_acm(u8 acm_mask, u8 priority) +{ + u8 change_priority = priority; + + switch (priority) { + case 0: + case 3: + if (acm_mask & BIT(1)) + change_priority = 1; + break; + case 1: + case 2: + break; + case 4: + case 5: + if (acm_mask & BIT(2)) + change_priority = 0; + break; + case 6: + case 7: + if (acm_mask & BIT(3)) + change_priority = 5; + break; + default: + DBG_88E("qos_acm(): invalid pattrib->priority: %d!!!\n", priority); + break; + } + + return change_priority; +} + +static void set_qos(struct pkt_file *ppktfile, struct pkt_attrib *pattrib) +{ + struct ethhdr etherhdr; + struct iphdr ip_hdr; + s32 user_prio = 0; + + _rtw_open_pktfile(ppktfile->pkt, ppktfile); + _rtw_pktfile_read(ppktfile, (unsigned char *)ðerhdr, ETH_HLEN); + + /* get user_prio from IP hdr */ + if (pattrib->ether_type == 0x0800) { + _rtw_pktfile_read(ppktfile, (u8 *)&ip_hdr, sizeof(ip_hdr)); +/* user_prio = (ntohs(ip_hdr.tos) >> 5) & 0x3; */ + user_prio = ip_hdr.tos >> 5; + } else if (pattrib->ether_type == 0x888e) { + /* "When priority processing of data frames is supported, */ + /* a STA's SME should send EAPOL-Key frames at the highest priority." */ + user_prio = 7; + } + + pattrib->priority = user_prio; + pattrib->hdrlen = WLAN_HDR_A3_QOS_LEN; + pattrib->subtype = WIFI_QOS_DATA_TYPE; +} + +static s32 update_attrib(struct adapter *padapter, struct sk_buff *pkt, struct pkt_attrib *pattrib) +{ + struct pkt_file pktfile; + struct sta_info *psta = NULL; + struct ethhdr etherhdr; + + int bmcast; + struct sta_priv *pstapriv = &padapter->stapriv; + struct security_priv *psecuritypriv = &padapter->securitypriv; + struct mlme_priv *pmlmepriv = &padapter->mlmepriv; + struct qos_priv *pqospriv = &pmlmepriv->qospriv; + int res = _SUCCESS; + + _func_enter_; + + _rtw_open_pktfile(pkt, &pktfile); + _rtw_pktfile_read(&pktfile, (u8 *)ðerhdr, ETH_HLEN); + + pattrib->ether_type = ntohs(etherhdr.h_proto); + + memcpy(pattrib->dst, ðerhdr.h_dest, ETH_ALEN); + memcpy(pattrib->src, ðerhdr.h_source, ETH_ALEN); + + pattrib->pctrl = 0; + + if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) || + check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) { + memcpy(pattrib->ra, pattrib->dst, ETH_ALEN); + memcpy(pattrib->ta, pattrib->src, ETH_ALEN); + } else if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) { + memcpy(pattrib->ra, get_bssid(pmlmepriv), ETH_ALEN); + memcpy(pattrib->ta, pattrib->src, ETH_ALEN); + } else if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) { + memcpy(pattrib->ra, pattrib->dst, ETH_ALEN); + memcpy(pattrib->ta, get_bssid(pmlmepriv), ETH_ALEN); + } + + pattrib->pktlen = pktfile.pkt_len; + + if (ETH_P_IP == pattrib->ether_type) { + /* The following is for DHCP and ARP packet, we use cck1M to tx these packets and let LPS awake some time */ + /* to prevent DHCP protocol fail */ + u8 tmp[24]; + _rtw_pktfile_read(&pktfile, &tmp[0], 24); + pattrib->dhcp_pkt = 0; + if (pktfile.pkt_len > 282) {/* MINIMUM_DHCP_PACKET_SIZE) { */ + if (ETH_P_IP == pattrib->ether_type) {/* IP header */ + if (((tmp[21] == 68) && (tmp[23] == 67)) || + ((tmp[21] == 67) && (tmp[23] == 68))) { + /* 68 : UDP BOOTP client */ + /* 67 : UDP BOOTP server */ + RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("====================== update_attrib: get DHCP Packet\n")); + /* Use low rate to send DHCP packet. */ + pattrib->dhcp_pkt = 1; + } + } + } + } else if (0x888e == pattrib->ether_type) { + DBG_88E_LEVEL(_drv_info_, "send eapol packet\n"); + } + + if ((pattrib->ether_type == 0x888e) || (pattrib->dhcp_pkt == 1)) + rtw_set_scan_deny(padapter, 3000); + + /* If EAPOL , ARP , OR DHCP packet, driver must be in active mode. */ + if ((pattrib->ether_type == 0x0806) || (pattrib->ether_type == 0x888e) || (pattrib->dhcp_pkt == 1)) + rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_SPECIAL_PACKET, 1); + + bmcast = IS_MCAST(pattrib->ra); + + /* get sta_info */ + if (bmcast) { + psta = rtw_get_bcmc_stainfo(padapter); + } else { + psta = rtw_get_stainfo(pstapriv, pattrib->ra); + if (psta == NULL) { /* if we cannot get psta => drrp the pkt */ + RT_TRACE(_module_rtl871x_xmit_c_, _drv_alert_, ("\nupdate_attrib => get sta_info fail, ra: %pM\n", (pattrib->ra))); + res = _FAIL; + goto exit; + } else if ((check_fwstate(pmlmepriv, WIFI_AP_STATE) == true) && (!(psta->state & _FW_LINKED))) { + res = _FAIL; + goto exit; + } + } + + if (psta) { + pattrib->mac_id = psta->mac_id; + /* DBG_88E("%s ==> mac_id(%d)\n", __func__, pattrib->mac_id); */ + pattrib->psta = psta; + } else { + /* if we cannot get psta => drop the pkt */ + RT_TRACE(_module_rtl871x_xmit_c_, _drv_alert_, ("\nupdate_attrib => get sta_info fail, ra:%pM\n", (pattrib->ra))); + res = _FAIL; + goto exit; + } + + pattrib->ack_policy = 0; + /* get ether_hdr_len */ + pattrib->pkt_hdrlen = ETH_HLEN;/* pattrib->ether_type == 0x8100) ? (14 + 4): 14; vlan tag */ + + pattrib->hdrlen = WLAN_HDR_A3_LEN; + pattrib->subtype = WIFI_DATA_TYPE; + pattrib->priority = 0; + + if (check_fwstate(pmlmepriv, WIFI_AP_STATE|WIFI_ADHOC_STATE|WIFI_ADHOC_MASTER_STATE)) { + if (psta->qos_option) + set_qos(&pktfile, pattrib); + } else { + if (pqospriv->qos_option) { + set_qos(&pktfile, pattrib); + + if (pmlmepriv->acm_mask != 0) + pattrib->priority = qos_acm(pmlmepriv->acm_mask, pattrib->priority); + } + } + + if (psta->ieee8021x_blocked) { + RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("\n psta->ieee8021x_blocked == true\n")); + + pattrib->encrypt = 0; + + if ((pattrib->ether_type != 0x888e) && !check_fwstate(pmlmepriv, WIFI_MP_STATE)) { + RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("\npsta->ieee8021x_blocked == true, pattrib->ether_type(%.4x) != 0x888e\n", pattrib->ether_type)); + res = _FAIL; + goto exit; + } + } else { + GET_ENCRY_ALGO(psecuritypriv, psta, pattrib->encrypt, bmcast); + + switch (psecuritypriv->dot11AuthAlgrthm) { + case dot11AuthAlgrthm_Open: + case dot11AuthAlgrthm_Shared: + case dot11AuthAlgrthm_Auto: + pattrib->key_idx = (u8)psecuritypriv->dot11PrivacyKeyIndex; + break; + case dot11AuthAlgrthm_8021X: + if (bmcast) + pattrib->key_idx = (u8)psecuritypriv->dot118021XGrpKeyid; + else + pattrib->key_idx = 0; + break; + default: + pattrib->key_idx = 0; + break; + } + } + + switch (pattrib->encrypt) { + case _WEP40_: + case _WEP104_: + pattrib->iv_len = 4; + pattrib->icv_len = 4; + break; + case _TKIP_: + pattrib->iv_len = 8; + pattrib->icv_len = 4; + + if (padapter->securitypriv.busetkipkey == _FAIL) { + RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, + ("\npadapter->securitypriv.busetkipkey(%d) == _FAIL drop packet\n", + padapter->securitypriv.busetkipkey)); + res = _FAIL; + goto exit; + } + break; + case _AES_: + RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("pattrib->encrypt=%d (_AES_)\n", pattrib->encrypt)); + pattrib->iv_len = 8; + pattrib->icv_len = 8; + break; + default: + pattrib->iv_len = 0; + pattrib->icv_len = 0; + break; + } + + RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, + ("update_attrib: encrypt=%d securitypriv.sw_encrypt=%d\n", + pattrib->encrypt, padapter->securitypriv.sw_encrypt)); + + if (pattrib->encrypt && + (padapter->securitypriv.sw_encrypt || !psecuritypriv->hw_decrypted)) { + pattrib->bswenc = true; + RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, + ("update_attrib: encrypt=%d securitypriv.hw_decrypted=%d bswenc = true\n", + pattrib->encrypt, padapter->securitypriv.sw_encrypt)); + } else { + pattrib->bswenc = false; + RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("update_attrib: bswenc = false\n")); + } + + rtw_set_tx_chksum_offload(pkt, pattrib); + + update_attrib_phy_info(pattrib, psta); + +exit: + +_func_exit_; + + return res; +} + +static s32 xmitframe_addmic(struct adapter *padapter, struct xmit_frame *pxmitframe) +{ + int curfragnum, length; + u8 *pframe, *payload, mic[8]; + struct mic_data micdata; + struct sta_info *stainfo; + struct pkt_attrib *pattrib = &pxmitframe->attrib; + struct security_priv *psecuritypriv = &padapter->securitypriv; + struct xmit_priv *pxmitpriv = &padapter->xmitpriv; + u8 priority[4] = {0x0, 0x0, 0x0, 0x0}; + u8 hw_hdr_offset = 0; + int bmcst = IS_MCAST(pattrib->ra); + + if (pattrib->psta) + stainfo = pattrib->psta; + else + stainfo = rtw_get_stainfo(&padapter->stapriv , &pattrib->ra[0]); + +_func_enter_; + + hw_hdr_offset = TXDESC_SIZE + (pxmitframe->pkt_offset * PACKET_OFFSET_SZ);; + + if (pattrib->encrypt == _TKIP_) {/* if (psecuritypriv->dot11PrivacyAlgrthm == _TKIP_PRIVACY_) */ + /* encode mic code */ + if (stainfo != NULL) { + u8 null_key[16] = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, + 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, + 0x0, 0x0}; + + pframe = pxmitframe->buf_addr + hw_hdr_offset; + + if (bmcst) { + if (_rtw_memcmp(psecuritypriv->dot118021XGrptxmickey[psecuritypriv->dot118021XGrpKeyid].skey, null_key, 16)) + return _FAIL; + /* start to calculate the mic code */ + rtw_secmicsetkey(&micdata, psecuritypriv->dot118021XGrptxmickey[psecuritypriv->dot118021XGrpKeyid].skey); + } else { + if (_rtw_memcmp(&stainfo->dot11tkiptxmickey.skey[0], null_key, 16) == true) { + /* DbgPrint("\nxmitframe_addmic:stainfo->dot11tkiptxmickey == 0\n"); */ + /* rtw_msleep_os(10); */ + return _FAIL; + } + /* start to calculate the mic code */ + rtw_secmicsetkey(&micdata, &stainfo->dot11tkiptxmickey.skey[0]); + } + + if (pframe[1]&1) { /* ToDS == 1 */ + rtw_secmicappend(&micdata, &pframe[16], 6); /* DA */ + if (pframe[1]&2) /* From Ds == 1 */ + rtw_secmicappend(&micdata, &pframe[24], 6); + else + rtw_secmicappend(&micdata, &pframe[10], 6); + } else { /* ToDS == 0 */ + rtw_secmicappend(&micdata, &pframe[4], 6); /* DA */ + if (pframe[1]&2) /* From Ds == 1 */ + rtw_secmicappend(&micdata, &pframe[16], 6); + else + rtw_secmicappend(&micdata, &pframe[10], 6); + } + + if (pattrib->qos_en) + priority[0] = (u8)pxmitframe->attrib.priority; + + rtw_secmicappend(&micdata, &priority[0], 4); + + payload = pframe; + + for (curfragnum = 0; curfragnum < pattrib->nr_frags; curfragnum++) { + payload = (u8 *)RND4((size_t)(payload)); + RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, + ("=== curfragnum=%d, pframe = 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x,!!!\n", + curfragnum, *payload, *(payload+1), + *(payload+2), *(payload+3), + *(payload+4), *(payload+5), + *(payload+6), *(payload+7))); + + payload = payload+pattrib->hdrlen+pattrib->iv_len; + RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, + ("curfragnum=%d pattrib->hdrlen=%d pattrib->iv_len=%d", + curfragnum, pattrib->hdrlen, pattrib->iv_len)); + if ((curfragnum+1) == pattrib->nr_frags) { + length = pattrib->last_txcmdsz-pattrib->hdrlen-pattrib->iv_len-((pattrib->bswenc) ? pattrib->icv_len : 0); + rtw_secmicappend(&micdata, payload, length); + payload = payload+length; + } else { + length = pxmitpriv->frag_len-pattrib->hdrlen-pattrib->iv_len-((pattrib->bswenc) ? pattrib->icv_len : 0); + rtw_secmicappend(&micdata, payload, length); + payload = payload+length+pattrib->icv_len; + RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("curfragnum=%d length=%d pattrib->icv_len=%d", curfragnum, length, pattrib->icv_len)); + } + } + rtw_secgetmic(&micdata, &(mic[0])); + RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("xmitframe_addmic: before add mic code!!!\n")); + RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("xmitframe_addmic: pattrib->last_txcmdsz=%d!!!\n", pattrib->last_txcmdsz)); + RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("xmitframe_addmic: mic[0]=0x%.2x , mic[1]=0x%.2x , mic[2]= 0x%.2x, mic[3]=0x%.2x\n\ + mic[4]= 0x%.2x , mic[5]= 0x%.2x , mic[6]= 0x%.2x , mic[7]= 0x%.2x !!!!\n", + mic[0], mic[1], mic[2], mic[3], mic[4], mic[5], mic[6], mic[7])); + /* add mic code and add the mic code length in last_txcmdsz */ + + memcpy(payload, &(mic[0]), 8); + pattrib->last_txcmdsz += 8; + + RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("\n ======== last pkt ========\n")); + payload = payload-pattrib->last_txcmdsz+8; + for (curfragnum = 0; curfragnum < pattrib->last_txcmdsz; curfragnum = curfragnum+8) + RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, + (" %.2x, %.2x, %.2x, %.2x, %.2x, %.2x, %.2x, %.2x ", + *(payload+curfragnum), *(payload+curfragnum+1), + *(payload+curfragnum+2), *(payload+curfragnum+3), + *(payload+curfragnum+4), *(payload+curfragnum+5), + *(payload+curfragnum+6), *(payload+curfragnum+7))); + } else { + RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("xmitframe_addmic: rtw_get_stainfo==NULL!!!\n")); + } + } + +_func_exit_; + + return _SUCCESS; +} + +static s32 xmitframe_swencrypt(struct adapter *padapter, struct xmit_frame *pxmitframe) +{ + struct pkt_attrib *pattrib = &pxmitframe->attrib; + +_func_enter_; + + if (pattrib->bswenc) { + RT_TRACE(_module_rtl871x_xmit_c_, _drv_alert_, ("### xmitframe_swencrypt\n")); + switch (pattrib->encrypt) { + case _WEP40_: + case _WEP104_: + rtw_wep_encrypt(padapter, (u8 *)pxmitframe); + break; + case _TKIP_: + rtw_tkip_encrypt(padapter, (u8 *)pxmitframe); + break; + case _AES_: + rtw_aes_encrypt(padapter, (u8 *)pxmitframe); + break; + default: + break; + } + } else { + RT_TRACE(_module_rtl871x_xmit_c_, _drv_notice_, ("### xmitframe_hwencrypt\n")); + } + +_func_exit_; + + return _SUCCESS; +} + +s32 rtw_make_wlanhdr (struct adapter *padapter , u8 *hdr, struct pkt_attrib *pattrib) +{ + u16 *qc; + + struct rtw_ieee80211_hdr *pwlanhdr = (struct rtw_ieee80211_hdr *)hdr; + struct mlme_priv *pmlmepriv = &padapter->mlmepriv; + struct qos_priv *pqospriv = &pmlmepriv->qospriv; + u8 qos_option = false; + + int res = _SUCCESS; + u16 *fctrl = &pwlanhdr->frame_ctl; + + struct sta_info *psta; + + int bmcst = IS_MCAST(pattrib->ra); + +_func_enter_; + + if (pattrib->psta) { + psta = pattrib->psta; + } else { + if (bmcst) { + psta = rtw_get_bcmc_stainfo(padapter); + } else { + psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra); + } + } + + _rtw_memset(hdr, 0, WLANHDR_OFFSET); + + SetFrameSubType(fctrl, pattrib->subtype); + + if (pattrib->subtype & WIFI_DATA_TYPE) { + if ((check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true)) { + /* to_ds = 1, fr_ds = 0; */ + /* Data transfer to AP */ + SetToDs(fctrl); + memcpy(pwlanhdr->addr1, get_bssid(pmlmepriv), ETH_ALEN); + memcpy(pwlanhdr->addr2, pattrib->src, ETH_ALEN); + memcpy(pwlanhdr->addr3, pattrib->dst, ETH_ALEN); + + if (pqospriv->qos_option) + qos_option = true; + } else if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) { + /* to_ds = 0, fr_ds = 1; */ + SetFrDs(fctrl); + memcpy(pwlanhdr->addr1, pattrib->dst, ETH_ALEN); + memcpy(pwlanhdr->addr2, get_bssid(pmlmepriv), ETH_ALEN); + memcpy(pwlanhdr->addr3, pattrib->src, ETH_ALEN); + + if (psta->qos_option) + qos_option = true; + } else if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) || + check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) { + memcpy(pwlanhdr->addr1, pattrib->dst, ETH_ALEN); + memcpy(pwlanhdr->addr2, pattrib->src, ETH_ALEN); + memcpy(pwlanhdr->addr3, get_bssid(pmlmepriv), ETH_ALEN); + + if (psta->qos_option) + qos_option = true; + } else { + RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("fw_state:%x is not allowed to xmit frame\n", get_fwstate(pmlmepriv))); + res = _FAIL; + goto exit; + } + + if (pattrib->mdata) + SetMData(fctrl); + + if (pattrib->encrypt) + SetPrivacy(fctrl); + + if (qos_option) { + qc = (unsigned short *)(hdr + pattrib->hdrlen - 2); + + if (pattrib->priority) + SetPriority(qc, pattrib->priority); + + SetEOSP(qc, pattrib->eosp); + + SetAckpolicy(qc, pattrib->ack_policy); + } + + /* TODO: fill HT Control Field */ + + /* Update Seq Num will be handled by f/w */ + if (psta) { + psta->sta_xmitpriv.txseq_tid[pattrib->priority]++; + psta->sta_xmitpriv.txseq_tid[pattrib->priority] &= 0xFFF; + + pattrib->seqnum = psta->sta_xmitpriv.txseq_tid[pattrib->priority]; + + SetSeqNum(hdr, pattrib->seqnum); + + /* check if enable ampdu */ + if (pattrib->ht_en && psta->htpriv.ampdu_enable) { + if (psta->htpriv.agg_enable_bitmap & BIT(pattrib->priority)) + pattrib->ampdu_en = true; + } + + /* re-check if enable ampdu by BA_starting_seqctrl */ + if (pattrib->ampdu_en) { + u16 tx_seq; + + tx_seq = psta->BA_starting_seqctrl[pattrib->priority & 0x0f]; + + /* check BA_starting_seqctrl */ + if (SN_LESS(pattrib->seqnum, tx_seq)) { + pattrib->ampdu_en = false;/* AGG BK */ + } else if (SN_EQUAL(pattrib->seqnum, tx_seq)) { + psta->BA_starting_seqctrl[pattrib->priority & 0x0f] = (tx_seq+1)&0xfff; + + pattrib->ampdu_en = true;/* AGG EN */ + } else { + psta->BA_starting_seqctrl[pattrib->priority & 0x0f] = (pattrib->seqnum+1)&0xfff; + pattrib->ampdu_en = true;/* AGG EN */ + } + } + } + } +exit: + +_func_exit_; + return res; +} + +s32 rtw_txframes_pending(struct adapter *padapter) +{ + struct xmit_priv *pxmitpriv = &padapter->xmitpriv; + + return ((_rtw_queue_empty(&pxmitpriv->be_pending) == false) || + (_rtw_queue_empty(&pxmitpriv->bk_pending) == false) || + (_rtw_queue_empty(&pxmitpriv->vi_pending) == false) || + (_rtw_queue_empty(&pxmitpriv->vo_pending) == false)); +} + +s32 rtw_txframes_sta_ac_pending(struct adapter *padapter, struct pkt_attrib *pattrib) +{ + struct sta_info *psta; + struct tx_servq *ptxservq; + int priority = pattrib->priority; + + psta = pattrib->psta; + + switch (priority) { + case 1: + case 2: + ptxservq = &(psta->sta_xmitpriv.bk_q); + break; + case 4: + case 5: + ptxservq = &(psta->sta_xmitpriv.vi_q); + break; + case 6: + case 7: + ptxservq = &(psta->sta_xmitpriv.vo_q); + break; + case 0: + case 3: + default: + ptxservq = &(psta->sta_xmitpriv.be_q); + break; + } + + return ptxservq->qcnt; +} + +/* + * Calculate wlan 802.11 packet MAX size from pkt_attrib + * This function doesn't consider fragment case + */ +u32 rtw_calculate_wlan_pkt_size_by_attribue(struct pkt_attrib *pattrib) +{ + u32 len = 0; + + len = pattrib->hdrlen + pattrib->iv_len; /* WLAN Header and IV */ + len += SNAP_SIZE + sizeof(u16); /* LLC */ + len += pattrib->pktlen; + if (pattrib->encrypt == _TKIP_) + len += 8; /* MIC */ + len += ((pattrib->bswenc) ? pattrib->icv_len : 0); /* ICV */ + + return len; +} + +/* + +This sub-routine will perform all the following: + +1. remove 802.3 header. +2. create wlan_header, based on the info in pxmitframe +3. append sta's iv/ext-iv +4. append LLC +5. move frag chunk from pframe to pxmitframe->mem +6. apply sw-encrypt, if necessary. + +*/ +s32 rtw_xmitframe_coalesce(struct adapter *padapter, struct sk_buff *pkt, struct xmit_frame *pxmitframe) +{ + struct pkt_file pktfile; + s32 frg_inx, frg_len, mpdu_len, llc_sz, mem_sz; + size_t addr; + u8 *pframe, *mem_start; + u8 hw_hdr_offset; + struct sta_info *psta; + struct xmit_priv *pxmitpriv = &padapter->xmitpriv; + struct pkt_attrib *pattrib = &pxmitframe->attrib; + u8 *pbuf_start; + s32 bmcst = IS_MCAST(pattrib->ra); + s32 res = _SUCCESS; + +_func_enter_; + + psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra); + + if (psta == NULL) + return _FAIL; + + if (pxmitframe->buf_addr == NULL) { + DBG_88E("==> %s buf_addr == NULL\n", __func__); + return _FAIL; + } + + pbuf_start = pxmitframe->buf_addr; + + hw_hdr_offset = TXDESC_SIZE + (pxmitframe->pkt_offset * PACKET_OFFSET_SZ); + + mem_start = pbuf_start + hw_hdr_offset; + + if (rtw_make_wlanhdr(padapter, mem_start, pattrib) == _FAIL) { + RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("rtw_xmitframe_coalesce: rtw_make_wlanhdr fail; drop pkt\n")); + DBG_88E("rtw_xmitframe_coalesce: rtw_make_wlanhdr fail; drop pkt\n"); + res = _FAIL; + goto exit; + } + + _rtw_open_pktfile(pkt, &pktfile); + _rtw_pktfile_read(&pktfile, NULL, pattrib->pkt_hdrlen); + + frg_inx = 0; + frg_len = pxmitpriv->frag_len - 4;/* 2346-4 = 2342 */ + + while (1) { + llc_sz = 0; + + mpdu_len = frg_len; + + pframe = mem_start; + + SetMFrag(mem_start); + + pframe += pattrib->hdrlen; + mpdu_len -= pattrib->hdrlen; + + /* adding icv, if necessary... */ + if (pattrib->iv_len) { + if (psta != NULL) { + switch (pattrib->encrypt) { + case _WEP40_: + case _WEP104_: + WEP_IV(pattrib->iv, psta->dot11txpn, pattrib->key_idx); + break; + case _TKIP_: + if (bmcst) + TKIP_IV(pattrib->iv, psta->dot11txpn, pattrib->key_idx); + else + TKIP_IV(pattrib->iv, psta->dot11txpn, 0); + break; + case _AES_: + if (bmcst) + AES_IV(pattrib->iv, psta->dot11txpn, pattrib->key_idx); + else + AES_IV(pattrib->iv, psta->dot11txpn, 0); + break; + } + } + + memcpy(pframe, pattrib->iv, pattrib->iv_len); + + RT_TRACE(_module_rtl871x_xmit_c_, _drv_notice_, + ("rtw_xmitframe_coalesce: keyid=%d pattrib->iv[3]=%.2x pframe=%.2x %.2x %.2x %.2x\n", + padapter->securitypriv.dot11PrivacyKeyIndex, pattrib->iv[3], *pframe, *(pframe+1), *(pframe+2), *(pframe+3))); + + pframe += pattrib->iv_len; + + mpdu_len -= pattrib->iv_len; + } + + if (frg_inx == 0) { + llc_sz = rtw_put_snap(pframe, pattrib->ether_type); + pframe += llc_sz; + mpdu_len -= llc_sz; + } + + if ((pattrib->icv_len > 0) && (pattrib->bswenc)) { + mpdu_len -= pattrib->icv_len; + } + + if (bmcst) { + /* don't do fragment to broadcat/multicast packets */ + mem_sz = _rtw_pktfile_read(&pktfile, pframe, pattrib->pktlen); + } else { + mem_sz = _rtw_pktfile_read(&pktfile, pframe, mpdu_len); + } + + pframe += mem_sz; + + if ((pattrib->icv_len > 0) && (pattrib->bswenc)) { + memcpy(pframe, pattrib->icv, pattrib->icv_len); + pframe += pattrib->icv_len; + } + + frg_inx++; + + if (bmcst || rtw_endofpktfile(&pktfile)) { + pattrib->nr_frags = frg_inx; + + pattrib->last_txcmdsz = pattrib->hdrlen + pattrib->iv_len + ((pattrib->nr_frags == 1) ? llc_sz : 0) + + ((pattrib->bswenc) ? pattrib->icv_len : 0) + mem_sz; + + ClearMFrag(mem_start); + + break; + } else { + RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("%s: There're still something in packet!\n", __func__)); + } + + addr = (size_t)(pframe); + + mem_start = (unsigned char *)RND4(addr) + hw_hdr_offset; + memcpy(mem_start, pbuf_start + hw_hdr_offset, pattrib->hdrlen); + } + + if (xmitframe_addmic(padapter, pxmitframe) == _FAIL) { + RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("xmitframe_addmic(padapter, pxmitframe) == _FAIL\n")); + DBG_88E("xmitframe_addmic(padapter, pxmitframe) == _FAIL\n"); + res = _FAIL; + goto exit; + } + + xmitframe_swencrypt(padapter, pxmitframe); + + if (!bmcst) + update_attrib_vcs_info(padapter, pxmitframe); + else + pattrib->vcs_mode = NONE_VCS; + +exit: + +_func_exit_; + + return res; +} + +/* Logical Link Control(LLC) SubNetwork Attachment Point(SNAP) header + * IEEE LLC/SNAP header contains 8 octets + * First 3 octets comprise the LLC portion + * SNAP portion, 5 octets, is divided into two fields: + * Organizationally Unique Identifier(OUI), 3 octets, + * type, defined by that organization, 2 octets. + */ +s32 rtw_put_snap(u8 *data, u16 h_proto) +{ + struct ieee80211_snap_hdr *snap; + u8 *oui; + +_func_enter_; + + snap = (struct ieee80211_snap_hdr *)data; + snap->dsap = 0xaa; + snap->ssap = 0xaa; + snap->ctrl = 0x03; + + if (h_proto == 0x8137 || h_proto == 0x80f3) + oui = P802_1H_OUI; + else + oui = RFC1042_OUI; + + snap->oui[0] = oui[0]; + snap->oui[1] = oui[1]; + snap->oui[2] = oui[2]; + + *(__be16 *)(data + SNAP_SIZE) = htons(h_proto); + +_func_exit_; + + return SNAP_SIZE + sizeof(u16); +} + +void rtw_update_protection(struct adapter *padapter, u8 *ie, uint ie_len) +{ + uint protection; + u8 *perp; + int erp_len; + struct xmit_priv *pxmitpriv = &padapter->xmitpriv; + struct registry_priv *pregistrypriv = &padapter->registrypriv; + +_func_enter_; + + switch (pxmitpriv->vcs_setting) { + case DISABLE_VCS: + pxmitpriv->vcs = NONE_VCS; + break; + case ENABLE_VCS: + break; + case AUTO_VCS: + default: + perp = rtw_get_ie(ie, _ERPINFO_IE_, &erp_len, ie_len); + if (perp == NULL) { + pxmitpriv->vcs = NONE_VCS; + } else { + protection = (*(perp + 2)) & BIT(1); + if (protection) { + if (pregistrypriv->vcs_type == RTS_CTS) + pxmitpriv->vcs = RTS_CTS; + else + pxmitpriv->vcs = CTS_TO_SELF; + } else { + pxmitpriv->vcs = NONE_VCS; + } + } + break; + } + +_func_exit_; +} + +void rtw_count_tx_stats(struct adapter *padapter, struct xmit_frame *pxmitframe, int sz) +{ + struct sta_info *psta = NULL; + struct stainfo_stats *pstats = NULL; + struct xmit_priv *pxmitpriv = &padapter->xmitpriv; + struct mlme_priv *pmlmepriv = &padapter->mlmepriv; + + if ((pxmitframe->frame_tag&0x0f) == DATA_FRAMETAG) { + pxmitpriv->tx_bytes += sz; + pmlmepriv->LinkDetectInfo.NumTxOkInPeriod += pxmitframe->agg_num; + + psta = pxmitframe->attrib.psta; + if (psta) { + pstats = &psta->sta_stats; + pstats->tx_pkts += pxmitframe->agg_num; + pstats->tx_bytes += sz; + } + } +} + +struct xmit_buf *rtw_alloc_xmitbuf_ext(struct xmit_priv *pxmitpriv) +{ + unsigned long irql; + struct xmit_buf *pxmitbuf = NULL; + struct list_head *plist, *phead; + struct __queue *pfree_queue = &pxmitpriv->free_xmit_extbuf_queue; + +_func_enter_; + + _enter_critical(&pfree_queue->lock, &irql); + + if (_rtw_queue_empty(pfree_queue) == true) { + pxmitbuf = NULL; + } else { + phead = get_list_head(pfree_queue); + + plist = get_next(phead); + + pxmitbuf = LIST_CONTAINOR(plist, struct xmit_buf, list); + + rtw_list_delete(&(pxmitbuf->list)); + } + + if (pxmitbuf != NULL) { + pxmitpriv->free_xmit_extbuf_cnt--; + + pxmitbuf->priv_data = NULL; + /* pxmitbuf->ext_tag = true; */ + + if (pxmitbuf->sctx) { + DBG_88E("%s pxmitbuf->sctx is not NULL\n", __func__); + rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_BUF_ALLOC); + } + } + + _exit_critical(&pfree_queue->lock, &irql); + +_func_exit_; + + return pxmitbuf; +} + +s32 rtw_free_xmitbuf_ext(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf) +{ + unsigned long irql; + struct __queue *pfree_queue = &pxmitpriv->free_xmit_extbuf_queue; + +_func_enter_; + + if (pxmitbuf == NULL) + return _FAIL; + + _enter_critical(&pfree_queue->lock, &irql); + + rtw_list_delete(&pxmitbuf->list); + + rtw_list_insert_tail(&(pxmitbuf->list), get_list_head(pfree_queue)); + pxmitpriv->free_xmit_extbuf_cnt++; + + _exit_critical(&pfree_queue->lock, &irql); + +_func_exit_; + + return _SUCCESS; +} + +struct xmit_buf *rtw_alloc_xmitbuf(struct xmit_priv *pxmitpriv) +{ + unsigned long irql; + struct xmit_buf *pxmitbuf = NULL; + struct list_head *plist, *phead; + struct __queue *pfree_xmitbuf_queue = &pxmitpriv->free_xmitbuf_queue; + +_func_enter_; + + /* DBG_88E("+rtw_alloc_xmitbuf\n"); */ + + _enter_critical(&pfree_xmitbuf_queue->lock, &irql); + + if (_rtw_queue_empty(pfree_xmitbuf_queue) == true) { + pxmitbuf = NULL; + } else { + phead = get_list_head(pfree_xmitbuf_queue); + + plist = get_next(phead); + + pxmitbuf = LIST_CONTAINOR(plist, struct xmit_buf, list); + + rtw_list_delete(&(pxmitbuf->list)); + } + + if (pxmitbuf != NULL) { + pxmitpriv->free_xmitbuf_cnt--; + pxmitbuf->priv_data = NULL; + if (pxmitbuf->sctx) { + DBG_88E("%s pxmitbuf->sctx is not NULL\n", __func__); + rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_BUF_ALLOC); + } + } + _exit_critical(&pfree_xmitbuf_queue->lock, &irql); + +_func_exit_; + + return pxmitbuf; +} + +s32 rtw_free_xmitbuf(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf) +{ + unsigned long irql; + struct __queue *pfree_xmitbuf_queue = &pxmitpriv->free_xmitbuf_queue; + +_func_enter_; + if (pxmitbuf == NULL) + return _FAIL; + + if (pxmitbuf->sctx) { + DBG_88E("%s pxmitbuf->sctx is not NULL\n", __func__); + rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_BUF_FREE); + } + + if (pxmitbuf->ext_tag) { + rtw_free_xmitbuf_ext(pxmitpriv, pxmitbuf); + } else { + _enter_critical(&pfree_xmitbuf_queue->lock, &irql); + + rtw_list_delete(&pxmitbuf->list); + + rtw_list_insert_tail(&(pxmitbuf->list), get_list_head(pfree_xmitbuf_queue)); + + pxmitpriv->free_xmitbuf_cnt++; + _exit_critical(&pfree_xmitbuf_queue->lock, &irql); + } + +_func_exit_; + + return _SUCCESS; +} + +/* +Calling context: +1. OS_TXENTRY +2. RXENTRY (rx_thread or RX_ISR/RX_CallBack) + +If we turn on USE_RXTHREAD, then, no need for critical section. +Otherwise, we must use _enter/_exit critical to protect free_xmit_queue... + +Must be very very cautious... + +*/ + +struct xmit_frame *rtw_alloc_xmitframe(struct xmit_priv *pxmitpriv)/* _queue *pfree_xmit_queue) */ +{ + /* + Please remember to use all the osdep_service api, + and lock/unlock or _enter/_exit critical to protect + pfree_xmit_queue + */ + + unsigned long irql; + struct xmit_frame *pxframe = NULL; + struct list_head *plist, *phead; + struct __queue *pfree_xmit_queue = &pxmitpriv->free_xmit_queue; + +_func_enter_; + + _enter_critical_bh(&pfree_xmit_queue->lock, &irql); + + if (_rtw_queue_empty(pfree_xmit_queue) == true) { + RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_alloc_xmitframe:%d\n", pxmitpriv->free_xmitframe_cnt)); + pxframe = NULL; + } else { + phead = get_list_head(pfree_xmit_queue); + + plist = get_next(phead); + + pxframe = LIST_CONTAINOR(plist, struct xmit_frame, list); + + rtw_list_delete(&(pxframe->list)); + } + + if (pxframe != NULL) { /* default value setting */ + pxmitpriv->free_xmitframe_cnt--; + + RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_alloc_xmitframe():free_xmitframe_cnt=%d\n", pxmitpriv->free_xmitframe_cnt)); + + pxframe->buf_addr = NULL; + pxframe->pxmitbuf = NULL; + + _rtw_memset(&pxframe->attrib, 0, sizeof(struct pkt_attrib)); + /* pxframe->attrib.psta = NULL; */ + + pxframe->frame_tag = DATA_FRAMETAG; + + pxframe->pkt = NULL; + pxframe->pkt_offset = 1;/* default use pkt_offset to fill tx desc */ + + pxframe->agg_num = 1; + pxframe->ack_report = 0; + } + + _exit_critical_bh(&pfree_xmit_queue->lock, &irql); + +_func_exit_; + + return pxframe; +} + +s32 rtw_free_xmitframe(struct xmit_priv *pxmitpriv, struct xmit_frame *pxmitframe) +{ + unsigned long irql; + struct __queue *pfree_xmit_queue = &pxmitpriv->free_xmit_queue; + struct adapter *padapter = pxmitpriv->adapter; + struct sk_buff *pndis_pkt = NULL; + +_func_enter_; + + if (pxmitframe == NULL) { + RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("====== rtw_free_xmitframe():pxmitframe == NULL!!!!!!!!!!\n")); + goto exit; + } + + _enter_critical_bh(&pfree_xmit_queue->lock, &irql); + + rtw_list_delete(&pxmitframe->list); + + if (pxmitframe->pkt) { + pndis_pkt = pxmitframe->pkt; + pxmitframe->pkt = NULL; + } + + rtw_list_insert_tail(&pxmitframe->list, get_list_head(pfree_xmit_queue)); + + pxmitpriv->free_xmitframe_cnt++; + RT_TRACE(_module_rtl871x_xmit_c_, _drv_debug_, ("rtw_free_xmitframe():free_xmitframe_cnt=%d\n", pxmitpriv->free_xmitframe_cnt)); + + _exit_critical_bh(&pfree_xmit_queue->lock, &irql); + + if (pndis_pkt) + rtw_os_pkt_complete(padapter, pndis_pkt); + +exit: + +_func_exit_; + + return _SUCCESS; +} + +void rtw_free_xmitframe_queue(struct xmit_priv *pxmitpriv, struct __queue *pframequeue) +{ + unsigned long irql; + struct list_head *plist, *phead; + struct xmit_frame *pxmitframe; + +_func_enter_; + + _enter_critical_bh(&(pframequeue->lock), &irql); + + phead = get_list_head(pframequeue); + plist = get_next(phead); + + while (!rtw_end_of_queue_search(phead, plist)) { + pxmitframe = LIST_CONTAINOR(plist, struct xmit_frame, list); + + plist = get_next(plist); + + rtw_free_xmitframe(pxmitpriv, pxmitframe); + } + _exit_critical_bh(&(pframequeue->lock), &irql); + +_func_exit_; +} + +s32 rtw_xmitframe_enqueue(struct adapter *padapter, struct xmit_frame *pxmitframe) +{ + if (rtw_xmit_classifier(padapter, pxmitframe) == _FAIL) { + RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, + ("rtw_xmitframe_enqueue: drop xmit pkt for classifier fail\n")); +/* pxmitframe->pkt = NULL; */ + return _FAIL; + } + + return _SUCCESS; +} + +static struct xmit_frame *dequeue_one_xmitframe(struct xmit_priv *pxmitpriv, struct hw_xmit *phwxmit, struct tx_servq *ptxservq, struct __queue *pframe_queue) +{ + struct list_head *xmitframe_plist, *xmitframe_phead; + struct xmit_frame *pxmitframe = NULL; + + xmitframe_phead = get_list_head(pframe_queue); + xmitframe_plist = get_next(xmitframe_phead); + + while (!rtw_end_of_queue_search(xmitframe_phead, xmitframe_plist)) { + pxmitframe = LIST_CONTAINOR(xmitframe_plist, struct xmit_frame, list); + + xmitframe_plist = get_next(xmitframe_plist); + + rtw_list_delete(&pxmitframe->list); + + ptxservq->qcnt--; + + break; + + pxmitframe = NULL; + } + + return pxmitframe; +} + +struct xmit_frame *rtw_dequeue_xframe(struct xmit_priv *pxmitpriv, struct hw_xmit *phwxmit_i, int entry) +{ + unsigned long irql0; + struct list_head *sta_plist, *sta_phead; + struct hw_xmit *phwxmit; + struct tx_servq *ptxservq = NULL; + struct __queue *pframe_queue = NULL; + struct xmit_frame *pxmitframe = NULL; + struct adapter *padapter = pxmitpriv->adapter; + struct registry_priv *pregpriv = &padapter->registrypriv; + int i, inx[4]; + +_func_enter_; + + inx[0] = 0; inx[1] = 1; inx[2] = 2; inx[3] = 3; + + if (pregpriv->wifi_spec == 1) { + int j; + + for (j = 0; j < 4; j++) + inx[j] = pxmitpriv->wmm_para_seq[j]; + } + + _enter_critical_bh(&pxmitpriv->lock, &irql0); + + for (i = 0; i < entry; i++) { + phwxmit = phwxmit_i + inx[i]; + + sta_phead = get_list_head(phwxmit->sta_queue); + sta_plist = get_next(sta_phead); + + while (!rtw_end_of_queue_search(sta_phead, sta_plist)) { + ptxservq = LIST_CONTAINOR(sta_plist, struct tx_servq, tx_pending); + + pframe_queue = &ptxservq->sta_pending; + + pxmitframe = dequeue_one_xmitframe(pxmitpriv, phwxmit, ptxservq, pframe_queue); + + if (pxmitframe) { + phwxmit->accnt--; + + /* Remove sta node when there are no pending packets. */ + if (_rtw_queue_empty(pframe_queue)) /* must be done after get_next and before break */ + rtw_list_delete(&ptxservq->tx_pending); + goto exit; + } + + sta_plist = get_next(sta_plist); + } + } +exit: + _exit_critical_bh(&pxmitpriv->lock, &irql0); +_func_exit_; + return pxmitframe; +} + +struct tx_servq *rtw_get_sta_pending(struct adapter *padapter, struct sta_info *psta, int up, u8 *ac) +{ + struct tx_servq *ptxservq; + +_func_enter_; + switch (up) { + case 1: + case 2: + ptxservq = &(psta->sta_xmitpriv.bk_q); + *(ac) = 3; + RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_get_sta_pending : BK\n")); + break; + case 4: + case 5: + ptxservq = &(psta->sta_xmitpriv.vi_q); + *(ac) = 1; + RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_get_sta_pending : VI\n")); + break; + case 6: + case 7: + ptxservq = &(psta->sta_xmitpriv.vo_q); + *(ac) = 0; + RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_get_sta_pending : VO\n")); + break; + case 0: + case 3: + default: + ptxservq = &(psta->sta_xmitpriv.be_q); + *(ac) = 2; + RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_get_sta_pending : BE\n")); + break; + } + +_func_exit_; + + return ptxservq; +} + +/* + * Will enqueue pxmitframe to the proper queue, + * and indicate it to xx_pending list..... + */ +s32 rtw_xmit_classifier(struct adapter *padapter, struct xmit_frame *pxmitframe) +{ + /* unsigned long irql0; */ + u8 ac_index; + struct sta_info *psta; + struct tx_servq *ptxservq; + struct pkt_attrib *pattrib = &pxmitframe->attrib; + struct sta_priv *pstapriv = &padapter->stapriv; + struct hw_xmit *phwxmits = padapter->xmitpriv.hwxmits; + int res = _SUCCESS; + +_func_enter_; + + if (pattrib->psta) { + psta = pattrib->psta; + } else { + psta = rtw_get_stainfo(pstapriv, pattrib->ra); + } + + if (psta == NULL) { + res = _FAIL; + DBG_88E("rtw_xmit_classifier: psta == NULL\n"); + RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("rtw_xmit_classifier: psta == NULL\n")); + goto exit; + } + + ptxservq = rtw_get_sta_pending(padapter, psta, pattrib->priority, (u8 *)(&ac_index)); + + if (rtw_is_list_empty(&ptxservq->tx_pending)) + rtw_list_insert_tail(&ptxservq->tx_pending, get_list_head(phwxmits[ac_index].sta_queue)); + + rtw_list_insert_tail(&pxmitframe->list, get_list_head(&ptxservq->sta_pending)); + ptxservq->qcnt++; + phwxmits[ac_index].accnt++; +exit: + +_func_exit_; + + return res; +} + +void rtw_alloc_hwxmits(struct adapter *padapter) +{ + struct hw_xmit *hwxmits; + struct xmit_priv *pxmitpriv = &padapter->xmitpriv; + + pxmitpriv->hwxmit_entry = HWXMIT_ENTRY; + + pxmitpriv->hwxmits = (struct hw_xmit *)rtw_zmalloc(sizeof(struct hw_xmit) * pxmitpriv->hwxmit_entry); + + hwxmits = pxmitpriv->hwxmits; + + if (pxmitpriv->hwxmit_entry == 5) { + hwxmits[0] .sta_queue = &pxmitpriv->bm_pending; + hwxmits[1] .sta_queue = &pxmitpriv->vo_pending; + hwxmits[2] .sta_queue = &pxmitpriv->vi_pending; + hwxmits[3] .sta_queue = &pxmitpriv->bk_pending; + hwxmits[4] .sta_queue = &pxmitpriv->be_pending; + } else if (pxmitpriv->hwxmit_entry == 4) { + hwxmits[0] .sta_queue = &pxmitpriv->vo_pending; + hwxmits[1] .sta_queue = &pxmitpriv->vi_pending; + hwxmits[2] .sta_queue = &pxmitpriv->be_pending; + hwxmits[3] .sta_queue = &pxmitpriv->bk_pending; + } else { + } +} + +void rtw_free_hwxmits(struct adapter *padapter) +{ + struct hw_xmit *hwxmits; + struct xmit_priv *pxmitpriv = &padapter->xmitpriv; + + hwxmits = pxmitpriv->hwxmits; + kfree(hwxmits); +} + +void rtw_init_hwxmits(struct hw_xmit *phwxmit, int entry) +{ + int i; +_func_enter_; + for (i = 0; i < entry; i++, phwxmit++) + phwxmit->accnt = 0; +_func_exit_; +} + +static int rtw_br_client_tx(struct adapter *padapter, struct sk_buff **pskb) +{ + struct sk_buff *skb = *pskb; + unsigned long irql; + int res, is_vlan_tag = 0, i, do_nat25 = 1; + unsigned short vlan_hdr = 0; + void *br_port = NULL; + + rcu_read_lock(); + br_port = rcu_dereference(padapter->pnetdev->rx_handler_data); + rcu_read_unlock(); + _enter_critical_bh(&padapter->br_ext_lock, &irql); + if (!(skb->data[0] & 1) && br_port && + memcmp(skb->data+MACADDRLEN, padapter->br_mac, MACADDRLEN) && + *((__be16 *)(skb->data+MACADDRLEN*2)) != __constant_htons(ETH_P_8021Q) && + *((__be16 *)(skb->data+MACADDRLEN*2)) == __constant_htons(ETH_P_IP) && + !memcmp(padapter->scdb_mac, skb->data+MACADDRLEN, MACADDRLEN) && padapter->scdb_entry) { + memcpy(skb->data+MACADDRLEN, GET_MY_HWADDR(padapter), MACADDRLEN); + padapter->scdb_entry->ageing_timer = jiffies; + _exit_critical_bh(&padapter->br_ext_lock, &irql); + } else { + if (*((__be16 *)(skb->data+MACADDRLEN*2)) == __constant_htons(ETH_P_8021Q)) { + is_vlan_tag = 1; + vlan_hdr = *((unsigned short *)(skb->data+MACADDRLEN*2+2)); + for (i = 0; i < 6; i++) + *((unsigned short *)(skb->data+MACADDRLEN*2+2-i*2)) = *((unsigned short *)(skb->data+MACADDRLEN*2-2-i*2)); + skb_pull(skb, 4); + } + if (!memcmp(skb->data+MACADDRLEN, padapter->br_mac, MACADDRLEN) && + (*((__be16 *)(skb->data+MACADDRLEN*2)) == __constant_htons(ETH_P_IP))) + memcpy(padapter->br_ip, skb->data+WLAN_ETHHDR_LEN+12, 4); + + if (*((__be16 *)(skb->data+MACADDRLEN*2)) == __constant_htons(ETH_P_IP)) { + if (memcmp(padapter->scdb_mac, skb->data+MACADDRLEN, MACADDRLEN)) { + padapter->scdb_entry = (struct nat25_network_db_entry *)scdb_findEntry(padapter, + skb->data+MACADDRLEN, skb->data+WLAN_ETHHDR_LEN+12); + if (padapter->scdb_entry) { + memcpy(padapter->scdb_mac, skb->data+MACADDRLEN, MACADDRLEN); + memcpy(padapter->scdb_ip, skb->data+WLAN_ETHHDR_LEN+12, 4); + padapter->scdb_entry->ageing_timer = jiffies; + do_nat25 = 0; + } + } else { + if (padapter->scdb_entry) { + padapter->scdb_entry->ageing_timer = jiffies; + do_nat25 = 0; + } else { + memset(padapter->scdb_mac, 0, MACADDRLEN); + memset(padapter->scdb_ip, 0, 4); + } + } + } + _exit_critical_bh(&padapter->br_ext_lock, &irql); + if (do_nat25) { + if (nat25_db_handle(padapter, skb, NAT25_CHECK) == 0) { + struct sk_buff *newskb; + + if (is_vlan_tag) { + skb_push(skb, 4); + for (i = 0; i < 6; i++) + *((unsigned short *)(skb->data+i*2)) = *((unsigned short *)(skb->data+4+i*2)); + *((__be16 *)(skb->data+MACADDRLEN*2)) = __constant_htons(ETH_P_8021Q); + *((unsigned short *)(skb->data+MACADDRLEN*2+2)) = vlan_hdr; + } + + newskb = skb_copy(skb, GFP_ATOMIC); + if (newskb == NULL) { + DEBUG_ERR("TX DROP: skb_copy fail!\n"); + return -1; + } + dev_kfree_skb_any(skb); + + *pskb = skb = newskb; + if (is_vlan_tag) { + vlan_hdr = *((unsigned short *)(skb->data+MACADDRLEN*2+2)); + for (i = 0; i < 6; i++) + *((unsigned short *)(skb->data+MACADDRLEN*2+2-i*2)) = *((unsigned short *)(skb->data+MACADDRLEN*2-2-i*2)); + skb_pull(skb, 4); + } + } + + if (skb_is_nonlinear(skb)) + DEBUG_ERR("%s(): skb_is_nonlinear!!\n", __func__); + + res = skb_linearize(skb); + if (res < 0) { + DEBUG_ERR("TX DROP: skb_linearize fail!\n"); + return -1; + } + + res = nat25_db_handle(padapter, skb, NAT25_INSERT); + if (res < 0) { + if (res == -2) { + DEBUG_ERR("TX DROP: nat25_db_handle fail!\n"); + return -1; + } + return 0; + } + } + + memcpy(skb->data+MACADDRLEN, GET_MY_HWADDR(padapter), MACADDRLEN); + + dhcp_flag_bcast(padapter, skb); + + if (is_vlan_tag) { + skb_push(skb, 4); + for (i = 0; i < 6; i++) + *((unsigned short *)(skb->data+i*2)) = *((unsigned short *)(skb->data+4+i*2)); + *((__be16 *)(skb->data+MACADDRLEN*2)) = __constant_htons(ETH_P_8021Q); + *((unsigned short *)(skb->data+MACADDRLEN*2+2)) = vlan_hdr; + } + } + + /* check if SA is equal to our MAC */ + if (memcmp(skb->data+MACADDRLEN, GET_MY_HWADDR(padapter), MACADDRLEN)) { + DEBUG_ERR("TX DROP: untransformed frame SA:%02X%02X%02X%02X%02X%02X!\n", + skb->data[6], skb->data[7], skb->data[8], skb->data[9], skb->data[10], skb->data[11]); + return -1; + } + return 0; +} + +u32 rtw_get_ff_hwaddr(struct xmit_frame *pxmitframe) +{ + u32 addr; + struct pkt_attrib *pattrib = &pxmitframe->attrib; + + switch (pattrib->qsel) { + case 0: + case 3: + addr = BE_QUEUE_INX; + break; + case 1: + case 2: + addr = BK_QUEUE_INX; + break; + case 4: + case 5: + addr = VI_QUEUE_INX; + break; + case 6: + case 7: + addr = VO_QUEUE_INX; + break; + case 0x10: + addr = BCN_QUEUE_INX; + break; + case 0x11:/* BC/MC in PS (HIQ) */ + addr = HIGH_QUEUE_INX; + break; + case 0x12: + default: + addr = MGT_QUEUE_INX; + break; + } + + return addr; +} + +static void do_queue_select(struct adapter *padapter, struct pkt_attrib *pattrib) +{ + u8 qsel; + + qsel = pattrib->priority; + RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("### do_queue_select priority=%d , qsel = %d\n", pattrib->priority , qsel)); + + pattrib->qsel = qsel; +} + +/* + * The main transmit(tx) entry + * + * Return + * 1 enqueue + * 0 success, hardware will handle this xmit frame(packet) + * <0 fail + */ +s32 rtw_xmit(struct adapter *padapter, struct sk_buff **ppkt) +{ +#ifdef CONFIG_88EU_AP_MODE + unsigned long irql0; +#endif + struct xmit_priv *pxmitpriv = &padapter->xmitpriv; + struct xmit_frame *pxmitframe = NULL; + struct mlme_priv *pmlmepriv = &padapter->mlmepriv; + void *br_port = NULL; + s32 res; + + pxmitframe = rtw_alloc_xmitframe(pxmitpriv); + if (pxmitframe == NULL) { + RT_TRACE(_module_xmit_osdep_c_, _drv_err_, ("rtw_xmit: no more pxmitframe\n")); + DBG_88E("DBG_TX_DROP_FRAME %s no more pxmitframe\n", __func__); + return -1; + } + + rcu_read_lock(); + br_port = rcu_dereference(padapter->pnetdev->rx_handler_data); + rcu_read_unlock(); + + if (br_port && check_fwstate(pmlmepriv, WIFI_STATION_STATE|WIFI_ADHOC_STATE)) { + res = rtw_br_client_tx(padapter, ppkt); + if (res == -1) { + rtw_free_xmitframe(pxmitpriv, pxmitframe); + return -1; + } + } + + res = update_attrib(padapter, *ppkt, &pxmitframe->attrib); + + if (res == _FAIL) { + RT_TRACE(_module_xmit_osdep_c_, _drv_err_, ("rtw_xmit: update attrib fail\n")); + rtw_free_xmitframe(pxmitpriv, pxmitframe); + return -1; + } + pxmitframe->pkt = *ppkt; + + rtw_led_control(padapter, LED_CTL_TX); + + do_queue_select(padapter, &pxmitframe->attrib); + +#ifdef CONFIG_88EU_AP_MODE + _enter_critical_bh(&pxmitpriv->lock, &irql0); + if (xmitframe_enqueue_for_sleeping_sta(padapter, pxmitframe)) { + _exit_critical_bh(&pxmitpriv->lock, &irql0); + return 1; + } + _exit_critical_bh(&pxmitpriv->lock, &irql0); +#endif + + if (rtw_hal_xmit(padapter, pxmitframe) == false) + return 1; + + return 0; +} + +#if defined(CONFIG_88EU_AP_MODE) + +int xmitframe_enqueue_for_sleeping_sta(struct adapter *padapter, struct xmit_frame *pxmitframe) +{ + unsigned long irql; + int ret = false; + struct sta_info *psta = NULL; + struct sta_priv *pstapriv = &padapter->stapriv; + struct pkt_attrib *pattrib = &pxmitframe->attrib; + struct mlme_priv *pmlmepriv = &padapter->mlmepriv; + int bmcst = IS_MCAST(pattrib->ra); + + if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == false) + return ret; + + if (pattrib->psta) + psta = pattrib->psta; + else + psta = rtw_get_stainfo(pstapriv, pattrib->ra); + + if (psta == NULL) + return ret; + + if (pattrib->triggered == 1) { + if (bmcst) + pattrib->qsel = 0x11;/* HIQ */ + return ret; + } + + if (bmcst) { + _enter_critical_bh(&psta->sleep_q.lock, &irql); + + if (pstapriv->sta_dz_bitmap) {/* if any one sta is in ps mode */ + rtw_list_delete(&pxmitframe->list); + + rtw_list_insert_tail(&pxmitframe->list, get_list_head(&psta->sleep_q)); + + psta->sleepq_len++; + + pstapriv->tim_bitmap |= BIT(0);/* */ + pstapriv->sta_dz_bitmap |= BIT(0); + + update_beacon(padapter, _TIM_IE_, NULL, false);/* tx bc/mc packets after upate bcn */ + + ret = true; + } + + _exit_critical_bh(&psta->sleep_q.lock, &irql); + + return ret; + } + + _enter_critical_bh(&psta->sleep_q.lock, &irql); + + if (psta->state&WIFI_SLEEP_STATE) { + u8 wmmps_ac = 0; + + if (pstapriv->sta_dz_bitmap&BIT(psta->aid)) { + rtw_list_delete(&pxmitframe->list); + + rtw_list_insert_tail(&pxmitframe->list, get_list_head(&psta->sleep_q)); + + psta->sleepq_len++; + + switch (pattrib->priority) { + case 1: + case 2: + wmmps_ac = psta->uapsd_bk&BIT(0); + break; + case 4: + case 5: + wmmps_ac = psta->uapsd_vi&BIT(0); + break; + case 6: + case 7: + wmmps_ac = psta->uapsd_vo&BIT(0); + break; + case 0: + case 3: + default: + wmmps_ac = psta->uapsd_be&BIT(0); + break; + } + + if (wmmps_ac) + psta->sleepq_ac_len++; + + if (((psta->has_legacy_ac) && (!wmmps_ac)) || + ((!psta->has_legacy_ac) && (wmmps_ac))) { + pstapriv->tim_bitmap |= BIT(psta->aid); + + if (psta->sleepq_len == 1) { + /* upate BCN for TIM IE */ + update_beacon(padapter, _TIM_IE_, NULL, false); + } + } + ret = true; + } + } + + _exit_critical_bh(&psta->sleep_q.lock, &irql); + + return ret; +} + +static void dequeue_xmitframes_to_sleeping_queue(struct adapter *padapter, struct sta_info *psta, struct __queue *pframequeue) +{ + struct list_head *plist, *phead; + u8 ac_index; + struct tx_servq *ptxservq; + struct pkt_attrib *pattrib; + struct xmit_frame *pxmitframe; + struct hw_xmit *phwxmits = padapter->xmitpriv.hwxmits; + + phead = get_list_head(pframequeue); + plist = get_next(phead); + + while (!rtw_end_of_queue_search(phead, plist)) { + pxmitframe = LIST_CONTAINOR(plist, struct xmit_frame, list); + + plist = get_next(plist); + + xmitframe_enqueue_for_sleeping_sta(padapter, pxmitframe); + + pattrib = &pxmitframe->attrib; + + ptxservq = rtw_get_sta_pending(padapter, psta, pattrib->priority, (u8 *)(&ac_index)); + + ptxservq->qcnt--; + phwxmits[ac_index].accnt--; + } +} + +void stop_sta_xmit(struct adapter *padapter, struct sta_info *psta) +{ + unsigned long irql0; + struct sta_info *psta_bmc; + struct sta_xmit_priv *pstaxmitpriv; + struct sta_priv *pstapriv = &padapter->stapriv; + struct xmit_priv *pxmitpriv = &padapter->xmitpriv; + + pstaxmitpriv = &psta->sta_xmitpriv; + + /* for BC/MC Frames */ + psta_bmc = rtw_get_bcmc_stainfo(padapter); + + _enter_critical_bh(&pxmitpriv->lock, &irql0); + + psta->state |= WIFI_SLEEP_STATE; + + pstapriv->sta_dz_bitmap |= BIT(psta->aid); + + dequeue_xmitframes_to_sleeping_queue(padapter, psta, &pstaxmitpriv->vo_q.sta_pending); + rtw_list_delete(&(pstaxmitpriv->vo_q.tx_pending)); + + dequeue_xmitframes_to_sleeping_queue(padapter, psta, &pstaxmitpriv->vi_q.sta_pending); + rtw_list_delete(&(pstaxmitpriv->vi_q.tx_pending)); + + dequeue_xmitframes_to_sleeping_queue(padapter, psta, &pstaxmitpriv->be_q.sta_pending); + rtw_list_delete(&(pstaxmitpriv->be_q.tx_pending)); + + dequeue_xmitframes_to_sleeping_queue(padapter, psta, &pstaxmitpriv->bk_q.sta_pending); + rtw_list_delete(&(pstaxmitpriv->bk_q.tx_pending)); + + /* for BC/MC Frames */ + pstaxmitpriv = &psta_bmc->sta_xmitpriv; + dequeue_xmitframes_to_sleeping_queue(padapter, psta_bmc, &pstaxmitpriv->be_q.sta_pending); + rtw_list_delete(&(pstaxmitpriv->be_q.tx_pending)); + + _exit_critical_bh(&pxmitpriv->lock, &irql0); +} + +void wakeup_sta_to_xmit(struct adapter *padapter, struct sta_info *psta) +{ + unsigned long irql; + u8 update_mask = 0, wmmps_ac = 0; + struct sta_info *psta_bmc; + struct list_head *xmitframe_plist, *xmitframe_phead; + struct xmit_frame *pxmitframe = NULL; + struct sta_priv *pstapriv = &padapter->stapriv; + + _enter_critical_bh(&psta->sleep_q.lock, &irql); + + xmitframe_phead = get_list_head(&psta->sleep_q); + xmitframe_plist = get_next(xmitframe_phead); + + while (!rtw_end_of_queue_search(xmitframe_phead, xmitframe_plist)) { + pxmitframe = LIST_CONTAINOR(xmitframe_plist, struct xmit_frame, list); + + xmitframe_plist = get_next(xmitframe_plist); + + rtw_list_delete(&pxmitframe->list); + + switch (pxmitframe->attrib.priority) { + case 1: + case 2: + wmmps_ac = psta->uapsd_bk&BIT(1); + break; + case 4: + case 5: + wmmps_ac = psta->uapsd_vi&BIT(1); + break; + case 6: + case 7: + wmmps_ac = psta->uapsd_vo&BIT(1); + break; + case 0: + case 3: + default: + wmmps_ac = psta->uapsd_be&BIT(1); + break; + } + + psta->sleepq_len--; + if (psta->sleepq_len > 0) + pxmitframe->attrib.mdata = 1; + else + pxmitframe->attrib.mdata = 0; + + if (wmmps_ac) { + psta->sleepq_ac_len--; + if (psta->sleepq_ac_len > 0) { + pxmitframe->attrib.mdata = 1; + pxmitframe->attrib.eosp = 0; + } else { + pxmitframe->attrib.mdata = 0; + pxmitframe->attrib.eosp = 1; + } + } + + pxmitframe->attrib.triggered = 1; + + _exit_critical_bh(&psta->sleep_q.lock, &irql); + if (rtw_hal_xmit(padapter, pxmitframe)) + rtw_os_xmit_complete(padapter, pxmitframe); + _enter_critical_bh(&psta->sleep_q.lock, &irql); + } + + if (psta->sleepq_len == 0) { + pstapriv->tim_bitmap &= ~BIT(psta->aid); + + update_mask = BIT(0); + + if (psta->state&WIFI_SLEEP_STATE) + psta->state ^= WIFI_SLEEP_STATE; + + if (psta->state & WIFI_STA_ALIVE_CHK_STATE) { + psta->expire_to = pstapriv->expire_to; + psta->state ^= WIFI_STA_ALIVE_CHK_STATE; + } + + pstapriv->sta_dz_bitmap &= ~BIT(psta->aid); + } + + _exit_critical_bh(&psta->sleep_q.lock, &irql); + + /* for BC/MC Frames */ + psta_bmc = rtw_get_bcmc_stainfo(padapter); + if (!psta_bmc) + return; + + if ((pstapriv->sta_dz_bitmap&0xfffe) == 0x0) { /* no any sta in ps mode */ + _enter_critical_bh(&psta_bmc->sleep_q.lock, &irql); + + xmitframe_phead = get_list_head(&psta_bmc->sleep_q); + xmitframe_plist = get_next(xmitframe_phead); + + while (!rtw_end_of_queue_search(xmitframe_phead, xmitframe_plist)) { + pxmitframe = LIST_CONTAINOR(xmitframe_plist, struct xmit_frame, list); + + xmitframe_plist = get_next(xmitframe_plist); + + rtw_list_delete(&pxmitframe->list); + + psta_bmc->sleepq_len--; + if (psta_bmc->sleepq_len > 0) + pxmitframe->attrib.mdata = 1; + else + pxmitframe->attrib.mdata = 0; + + pxmitframe->attrib.triggered = 1; + + _exit_critical_bh(&psta_bmc->sleep_q.lock, &irql); + if (rtw_hal_xmit(padapter, pxmitframe)) + rtw_os_xmit_complete(padapter, pxmitframe); + _enter_critical_bh(&psta_bmc->sleep_q.lock, &irql); + } + + if (psta_bmc->sleepq_len == 0) { + pstapriv->tim_bitmap &= ~BIT(0); + pstapriv->sta_dz_bitmap &= ~BIT(0); + + update_mask |= BIT(1); + } + + _exit_critical_bh(&psta_bmc->sleep_q.lock, &irql); + } + + if (update_mask) + update_beacon(padapter, _TIM_IE_, NULL, false); +} + +void xmit_delivery_enabled_frames(struct adapter *padapter, struct sta_info *psta) +{ + unsigned long irql; + u8 wmmps_ac = 0; + struct list_head *xmitframe_plist, *xmitframe_phead; + struct xmit_frame *pxmitframe = NULL; + struct sta_priv *pstapriv = &padapter->stapriv; + + _enter_critical_bh(&psta->sleep_q.lock, &irql); + + xmitframe_phead = get_list_head(&psta->sleep_q); + xmitframe_plist = get_next(xmitframe_phead); + + while (!rtw_end_of_queue_search(xmitframe_phead, xmitframe_plist)) { + pxmitframe = LIST_CONTAINOR(xmitframe_plist, struct xmit_frame, list); + + xmitframe_plist = get_next(xmitframe_plist); + + switch (pxmitframe->attrib.priority) { + case 1: + case 2: + wmmps_ac = psta->uapsd_bk&BIT(1); + break; + case 4: + case 5: + wmmps_ac = psta->uapsd_vi&BIT(1); + break; + case 6: + case 7: + wmmps_ac = psta->uapsd_vo&BIT(1); + break; + case 0: + case 3: + default: + wmmps_ac = psta->uapsd_be&BIT(1); + break; + } + + if (!wmmps_ac) + continue; + + rtw_list_delete(&pxmitframe->list); + + psta->sleepq_len--; + psta->sleepq_ac_len--; + + if (psta->sleepq_ac_len > 0) { + pxmitframe->attrib.mdata = 1; + pxmitframe->attrib.eosp = 0; + } else { + pxmitframe->attrib.mdata = 0; + pxmitframe->attrib.eosp = 1; + } + + pxmitframe->attrib.triggered = 1; + + if (rtw_hal_xmit(padapter, pxmitframe) == true) + rtw_os_xmit_complete(padapter, pxmitframe); + + if ((psta->sleepq_ac_len == 0) && (!psta->has_legacy_ac) && (wmmps_ac)) { + pstapriv->tim_bitmap &= ~BIT(psta->aid); + + /* upate BCN for TIM IE */ + update_beacon(padapter, _TIM_IE_, NULL, false); + } + } + + _exit_critical_bh(&psta->sleep_q.lock, &irql); +} + +#endif + +void rtw_sctx_init(struct submit_ctx *sctx, int timeout_ms) +{ + sctx->timeout_ms = timeout_ms; + sctx->submit_time = rtw_get_current_time(); + init_completion(&sctx->done); + sctx->status = RTW_SCTX_SUBMITTED; +} + +int rtw_sctx_wait(struct submit_ctx *sctx) +{ + int ret = _FAIL; + unsigned long expire; + int status = 0; + + expire = sctx->timeout_ms ? msecs_to_jiffies(sctx->timeout_ms) : MAX_SCHEDULE_TIMEOUT; + if (!wait_for_completion_timeout(&sctx->done, expire)) { + /* timeout, do something?? */ + status = RTW_SCTX_DONE_TIMEOUT; + DBG_88E("%s timeout\n", __func__); + } else { + status = sctx->status; + } + + if (status == RTW_SCTX_DONE_SUCCESS) + ret = _SUCCESS; + + return ret; +} + +static bool rtw_sctx_chk_waring_status(int status) +{ + switch (status) { + case RTW_SCTX_DONE_UNKNOWN: + case RTW_SCTX_DONE_BUF_ALLOC: + case RTW_SCTX_DONE_BUF_FREE: + + case RTW_SCTX_DONE_DRV_STOP: + case RTW_SCTX_DONE_DEV_REMOVE: + return true; + default: + return false; + } +} + +void rtw_sctx_done_err(struct submit_ctx **sctx, int status) +{ + if (*sctx) { + if (rtw_sctx_chk_waring_status(status)) + DBG_88E("%s status:%d\n", __func__, status); + (*sctx)->status = status; + complete(&((*sctx)->done)); + *sctx = NULL; + } +} + +void rtw_sctx_done(struct submit_ctx **sctx) +{ + rtw_sctx_done_err(sctx, RTW_SCTX_DONE_SUCCESS); +} + +int rtw_ack_tx_wait(struct xmit_priv *pxmitpriv, u32 timeout_ms) +{ + struct submit_ctx *pack_tx_ops = &pxmitpriv->ack_tx_ops; + + pack_tx_ops->submit_time = rtw_get_current_time(); + pack_tx_ops->timeout_ms = timeout_ms; + pack_tx_ops->status = RTW_SCTX_SUBMITTED; + + return rtw_sctx_wait(pack_tx_ops); +} + +void rtw_ack_tx_done(struct xmit_priv *pxmitpriv, int status) +{ + struct submit_ctx *pack_tx_ops = &pxmitpriv->ack_tx_ops; + + if (pxmitpriv->ack_tx) + rtw_sctx_done_err(&pack_tx_ops, status); + else + DBG_88E("%s ack_tx not set\n", __func__); +}