/****************************************************************************** * * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify it * under the terms of version 2 of the GNU General Public License as * published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. * * You should have received a copy of the GNU General Public License along with * this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA * * ******************************************************************************/ #define _RTW_BEAMFORMING_C_ #include #include #ifdef CONFIG_BEAMFORMING #if (BEAMFORMING_SUPPORT == 0) /*for diver defined beamforming*/ struct beamforming_entry *beamforming_get_entry_by_addr(struct mlme_priv *pmlmepriv, u8* ra,u8* idx) { u8 i = 0; struct beamforming_info *pBeamInfo = GET_BEAMFORM_INFO(pmlmepriv); for(i = 0; i < BEAMFORMING_ENTRY_NUM; i++) { if( pBeamInfo->beamforming_entry[i].bUsed && (_rtw_memcmp(ra,pBeamInfo->beamforming_entry[i].mac_addr, ETH_ALEN))) { *idx = i; return &(pBeamInfo->beamforming_entry[i]); } } return NULL; } BEAMFORMING_CAP beamforming_get_entry_beam_cap_by_mac_id(PVOID pmlmepriv ,u8 mac_id) { u8 i = 0; struct beamforming_info *pBeamInfo = GET_BEAMFORM_INFO((struct mlme_priv *)pmlmepriv); BEAMFORMING_CAP BeamformEntryCap = BEAMFORMING_CAP_NONE; for(i = 0; i < BEAMFORMING_ENTRY_NUM; i++) { if( pBeamInfo->beamforming_entry[i].bUsed && (mac_id == pBeamInfo->beamforming_entry[i].mac_id)) { BeamformEntryCap = pBeamInfo->beamforming_entry[i].beamforming_entry_cap; i = BEAMFORMING_ENTRY_NUM; } } return BeamformEntryCap; } struct beamforming_entry *beamforming_get_free_entry(struct mlme_priv *pmlmepriv, u8* idx) { u8 i = 0; struct beamforming_info *pBeamInfo = GET_BEAMFORM_INFO(pmlmepriv); for(i = 0; i < BEAMFORMING_ENTRY_NUM; i++) { if(pBeamInfo->beamforming_entry[i].bUsed == _FALSE) { *idx = i; return &(pBeamInfo->beamforming_entry[i]); } } return NULL; } struct beamforming_entry *beamforming_add_entry(PADAPTER adapter, u8* ra, u16 aid, u16 mac_id, CHANNEL_WIDTH bw, BEAMFORMING_CAP beamfrom_cap, u8* idx) { struct mlme_priv *pmlmepriv = &(adapter->mlmepriv); struct beamforming_entry *pEntry = beamforming_get_free_entry(pmlmepriv, idx); if(pEntry != NULL) { pEntry->bUsed = _TRUE; pEntry->aid = aid; pEntry->mac_id = mac_id; pEntry->sound_bw = bw; if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) { u16 BSSID = ((*(adapter_mac_addr(adapter) + 5) & 0xf0) >> 4) ^ (*(adapter_mac_addr(adapter) + 5) & 0xf); /* BSSID[44:47] xor BSSID[40:43] */ pEntry->p_aid = (aid + BSSID * 32) & 0x1ff; // (dec(A) + dec(B)*32) mod 512 pEntry->g_id = 63; } else if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) || check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) { pEntry->p_aid = 0; pEntry->g_id = 63; } else { pEntry->p_aid = ra[5]; // BSSID[39:47] pEntry->p_aid = (pEntry->p_aid << 1) | (ra[4] >> 7 ); pEntry->g_id = 0; } _rtw_memcpy(pEntry->mac_addr, ra, ETH_ALEN); pEntry->bSound = _FALSE; //3 TODO SW/FW sound period pEntry->sound_period = 200; pEntry->beamforming_entry_cap = beamfrom_cap; pEntry->beamforming_entry_state = BEAMFORMING_ENTRY_STATE_UNINITIALIZE; pEntry->PreLogSeq = 0; /*Modified by Jeffery @2015-04-13*/ pEntry->LogSeq = 0; /*Modified by Jeffery @2014-10-29*/ pEntry->LogRetryCnt = 0; /*Modified by Jeffery @2014-10-29*/ pEntry->LogSuccess = 0; /*LogSuccess is NOT needed to be accumulated, so LogSuccessCnt->LogSuccess, 2015-04-13, Jeffery*/ pEntry->ClockResetTimes = 0; /*Modified by Jeffery @2015-04-13*/ pEntry->LogStatusFailCnt = 0; return pEntry; } else return NULL; } BOOLEAN beamforming_remove_entry(struct mlme_priv *pmlmepriv, u8* ra, u8* idx) { struct beamforming_entry *pEntry = beamforming_get_entry_by_addr(pmlmepriv, ra, idx); if(pEntry != NULL) { pEntry->bUsed = _FALSE; pEntry->beamforming_entry_cap = BEAMFORMING_CAP_NONE; pEntry->beamforming_entry_state = BEAMFORMING_ENTRY_STATE_UNINITIALIZE; return _TRUE; } else return _FALSE; } /* Used for BeamformingStart_V1 */ void beamforming_dym_ndpa_rate(PADAPTER adapter) { u16 NDPARate = MGN_6M; PHAL_DATA_TYPE pHalData = GET_HAL_DATA(adapter); if(pHalData->MinUndecoratedPWDBForDM > 30) // link RSSI > 30% NDPARate = MGN_24M; else NDPARate = MGN_6M; //BW = CHANNEL_WIDTH_20; NDPARate = NDPARate << 8; rtw_hal_set_hwreg(adapter, HW_VAR_SOUNDING_RATE, (u8 *)&NDPARate); } void beamforming_dym_period(PADAPTER Adapter) { u8 Idx; BOOLEAN bChangePeriod = _FALSE; u16 SoundPeriod_SW, SoundPeriod_FW; PHAL_DATA_TYPE pHalData = GET_HAL_DATA(Adapter); struct dvobj_priv *pdvobjpriv = adapter_to_dvobj(Adapter); struct beamforming_entry *pBeamformEntry; struct beamforming_info *pBeamInfo = GET_BEAMFORM_INFO(( &Adapter->mlmepriv)); struct sounding_info *pSoundInfo = &(pBeamInfo->sounding_info); //3 TODO per-client throughput caculation. if(pdvobjpriv->traffic_stat.cur_tx_tp + pdvobjpriv->traffic_stat.cur_rx_tp > 2) { SoundPeriod_SW = 32*20; SoundPeriod_FW = 2; } else { SoundPeriod_SW = 32*2000; SoundPeriod_FW = 200; } for(Idx = 0; Idx < BEAMFORMING_ENTRY_NUM; Idx++) { pBeamformEntry = pBeamInfo->beamforming_entry+Idx; if(pBeamformEntry->bDefaultCSI) { SoundPeriod_SW = 32*2000; SoundPeriod_FW = 200; } if(pBeamformEntry->beamforming_entry_cap & (BEAMFORMER_CAP_HT_EXPLICIT |BEAMFORMER_CAP_VHT_SU)) { if(pSoundInfo->sound_mode == SOUNDING_FW_VHT_TIMER || pSoundInfo->sound_mode == SOUNDING_FW_HT_TIMER) { if(pBeamformEntry->sound_period != SoundPeriod_FW) { pBeamformEntry->sound_period = SoundPeriod_FW; bChangePeriod = _TRUE; // Only FW sounding need to send H2C packet to change sound period. } } else if(pBeamformEntry->sound_period != SoundPeriod_SW) { pBeamformEntry->sound_period = SoundPeriod_SW; } } } if(bChangePeriod) rtw_hal_set_hwreg(Adapter, HW_VAR_SOUNDING_FW_NDPA, (u8 *)&Idx); } BOOLEAN issue_ht_sw_ndpa_packet(PADAPTER Adapter, u8 *ra, CHANNEL_WIDTH bw, u8 qidx) { struct xmit_frame *pmgntframe; struct pkt_attrib *pattrib; struct rtw_ieee80211_hdr *pwlanhdr; struct xmit_priv *pxmitpriv = &(Adapter->xmitpriv); struct mlme_ext_priv *pmlmeext = &Adapter->mlmeextpriv; struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); u8 ActionHdr[4] = {ACT_CAT_VENDOR, 0x00, 0xe0, 0x4c}; u8 *pframe; u16 *fctrl; u16 duration = 0; u8 aSifsTime = 0; u8 NDPTxRate = 0; DBG_871X("%s: issue_ht_sw_ndpa_packet!\n", __func__); NDPTxRate = MGN_MCS8; DBG_871X("%s: NDPTxRate =%d\n", __func__, NDPTxRate); pmgntframe = alloc_mgtxmitframe(pxmitpriv); if (pmgntframe == NULL) return _FALSE; /*update attribute*/ pattrib = &pmgntframe->attrib; update_mgntframe_attrib(Adapter, pattrib); pattrib->qsel = QSLT_MGNT; pattrib->rate = NDPTxRate; pattrib->bwmode = bw; pattrib->order = 1; pattrib->subtype = WIFI_ACTION_NOACK; _rtw_memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET); pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET; pwlanhdr = (struct rtw_ieee80211_hdr *)pframe; fctrl = &pwlanhdr->frame_ctl; *(fctrl) = 0; SetOrderBit(pframe); SetFrameSubType(pframe, WIFI_ACTION_NOACK); _rtw_memcpy(pwlanhdr->addr1, ra, ETH_ALEN); _rtw_memcpy(pwlanhdr->addr2, adapter_mac_addr(Adapter), ETH_ALEN); _rtw_memcpy(pwlanhdr->addr3, get_my_bssid(&(pmlmeinfo->network)), ETH_ALEN); if (pmlmeext->cur_wireless_mode == WIRELESS_11B) aSifsTime = 10; else aSifsTime = 16; duration = 2*aSifsTime + 40; if (bw == CHANNEL_WIDTH_40) duration += 87; else duration += 180; SetDuration(pframe, duration); /*HT control field*/ SET_HT_CTRL_CSI_STEERING(pframe+24, 3); SET_HT_CTRL_NDP_ANNOUNCEMENT(pframe+24, 1); _rtw_memcpy(pframe+28, ActionHdr, 4); pattrib->pktlen = 32; pattrib->last_txcmdsz = pattrib->pktlen; dump_mgntframe(Adapter, pmgntframe); return _TRUE; } BOOLEAN issue_ht_ndpa_packet(PADAPTER Adapter, u8 *ra, CHANNEL_WIDTH bw, u8 qidx) { struct xmit_frame *pmgntframe; struct pkt_attrib *pattrib; struct rtw_ieee80211_hdr *pwlanhdr; struct xmit_priv *pxmitpriv = &(Adapter->xmitpriv); struct mlme_ext_priv *pmlmeext = &Adapter->mlmeextpriv; struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); u8 ActionHdr[4] = {ACT_CAT_VENDOR, 0x00, 0xe0, 0x4c}; u8 *pframe; u16 *fctrl; u16 duration = 0; u8 aSifsTime = 0; pmgntframe = alloc_mgtxmitframe(pxmitpriv); if (pmgntframe == NULL) return _FALSE; /*update attribute*/ pattrib = &pmgntframe->attrib; update_mgntframe_attrib(Adapter, pattrib); if (qidx == BCN_QUEUE_INX) pattrib->qsel = QSLT_BEACON; pattrib->rate = MGN_MCS8; pattrib->bwmode = bw; pattrib->order = 1; pattrib->subtype = WIFI_ACTION_NOACK; _rtw_memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET); pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET; pwlanhdr = (struct rtw_ieee80211_hdr*)pframe; fctrl = &pwlanhdr->frame_ctl; *(fctrl) = 0; SetOrderBit(pframe); SetFrameSubType(pframe, WIFI_ACTION_NOACK); _rtw_memcpy(pwlanhdr->addr1, ra, ETH_ALEN); _rtw_memcpy(pwlanhdr->addr2, adapter_mac_addr(Adapter), ETH_ALEN); _rtw_memcpy(pwlanhdr->addr3, get_my_bssid(&(pmlmeinfo->network)), ETH_ALEN); if( pmlmeext->cur_wireless_mode == WIRELESS_11B) aSifsTime = 10; else aSifsTime = 16; duration = 2*aSifsTime + 40; if(bw == CHANNEL_WIDTH_40) duration+= 87; else duration+= 180; SetDuration(pframe, duration); //HT control field SET_HT_CTRL_CSI_STEERING(pframe+24, 3); SET_HT_CTRL_NDP_ANNOUNCEMENT(pframe+24, 1); _rtw_memcpy(pframe+28, ActionHdr, 4); pattrib->pktlen = 32; pattrib->last_txcmdsz = pattrib->pktlen; dump_mgntframe(Adapter, pmgntframe); return _TRUE; } BOOLEAN beamforming_send_ht_ndpa_packet(PADAPTER Adapter, u8 *ra, CHANNEL_WIDTH bw, u8 qidx) { return issue_ht_ndpa_packet(Adapter, ra, bw, qidx); } BOOLEAN issue_vht_sw_ndpa_packet(PADAPTER Adapter, u8 *ra, u16 aid, CHANNEL_WIDTH bw, u8 qidx) { struct xmit_frame *pmgntframe; struct pkt_attrib *pattrib; struct rtw_ieee80211_hdr *pwlanhdr; struct xmit_priv *pxmitpriv = &(Adapter->xmitpriv); struct mlme_ext_priv *pmlmeext = &Adapter->mlmeextpriv; struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); struct mlme_priv *pmlmepriv = &(Adapter->mlmepriv); struct beamforming_info *pBeamInfo = GET_BEAMFORM_INFO(pmlmepriv); struct rtw_ndpa_sta_info sta_info; u8 NDPTxRate = 0; u8 *pframe; u16 *fctrl; u16 duration = 0; u8 sequence = 0, aSifsTime = 0; DBG_871X("%s: issue_vht_sw_ndpa_packet!\n", __func__); NDPTxRate = MGN_VHT2SS_MCS0; DBG_871X("%s: NDPTxRate =%d\n", __func__, NDPTxRate); pmgntframe = alloc_mgtxmitframe(pxmitpriv); if (pmgntframe == NULL) { DBG_871X("%s, alloc mgnt frame fail\n", __func__); return _FALSE; } /*update attribute*/ pattrib = &pmgntframe->attrib; update_mgntframe_attrib(Adapter, pattrib); pattrib->qsel = QSLT_MGNT; pattrib->rate = NDPTxRate; pattrib->bwmode = bw; pattrib->subtype = WIFI_NDPA; _rtw_memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET); pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET; pwlanhdr = (struct rtw_ieee80211_hdr *)pframe; fctrl = &pwlanhdr->frame_ctl; *(fctrl) = 0; SetFrameSubType(pframe, WIFI_NDPA); _rtw_memcpy(pwlanhdr->addr1, ra, ETH_ALEN); _rtw_memcpy(pwlanhdr->addr2, adapter_mac_addr(Adapter), ETH_ALEN); if (IsSupported5G(pmlmeext->cur_wireless_mode) || IsSupportedHT(pmlmeext->cur_wireless_mode)) aSifsTime = 16; else aSifsTime = 10; duration = 2*aSifsTime + 44; if (bw == CHANNEL_WIDTH_80) duration += 40; else if (bw == CHANNEL_WIDTH_40) duration += 87; else duration += 180; SetDuration(pframe, duration); sequence = pBeamInfo->sounding_sequence << 2; if (pBeamInfo->sounding_sequence >= 0x3f) pBeamInfo->sounding_sequence = 0; else pBeamInfo->sounding_sequence++; _rtw_memcpy(pframe+16, &sequence, 1); if (((pmlmeinfo->state&0x03) == WIFI_FW_ADHOC_STATE) || ((pmlmeinfo->state&0x03) == WIFI_FW_AP_STATE)) aid = 0; sta_info.aid = aid; sta_info.feedback_type = 0; sta_info.nc_index = 0; _rtw_memcpy(pframe+17, (u8 *)&sta_info, 2); pattrib->pktlen = 19; pattrib->last_txcmdsz = pattrib->pktlen; dump_mgntframe(Adapter, pmgntframe); return _TRUE; } BOOLEAN issue_vht_ndpa_packet(PADAPTER Adapter, u8 *ra, u16 aid, CHANNEL_WIDTH bw, u8 qidx) { struct xmit_frame *pmgntframe; struct pkt_attrib *pattrib; struct rtw_ieee80211_hdr *pwlanhdr; struct xmit_priv *pxmitpriv = &(Adapter->xmitpriv); struct mlme_ext_priv *pmlmeext = &Adapter->mlmeextpriv; struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); struct mlme_priv *pmlmepriv = &(Adapter->mlmepriv); struct beamforming_info *pBeamInfo = GET_BEAMFORM_INFO(pmlmepriv); struct rtw_ndpa_sta_info sta_info; u8 *pframe; u16 *fctrl; u16 duration = 0; u8 sequence = 0, aSifsTime = 0; if ((pmgntframe = alloc_mgtxmitframe(pxmitpriv)) == NULL) return _FALSE; /*update attribute*/ pattrib = &pmgntframe->attrib; update_mgntframe_attrib(Adapter, pattrib); if (qidx == BCN_QUEUE_INX) pattrib->qsel = QSLT_BEACON; pattrib->rate = MGN_VHT2SS_MCS0; pattrib->bwmode = bw; pattrib->subtype = WIFI_NDPA; _rtw_memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET); pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET; pwlanhdr = (struct rtw_ieee80211_hdr*)pframe; fctrl = &pwlanhdr->frame_ctl; *(fctrl) = 0; SetFrameSubType(pframe, WIFI_NDPA); _rtw_memcpy(pwlanhdr->addr1, ra, ETH_ALEN); _rtw_memcpy(pwlanhdr->addr2, adapter_mac_addr(Adapter), ETH_ALEN); if (IsSupported5G(pmlmeext->cur_wireless_mode) || IsSupportedHT(pmlmeext->cur_wireless_mode)) aSifsTime = 16; else aSifsTime = 10; duration = 2*aSifsTime + 44; if(bw == CHANNEL_WIDTH_80) duration += 40; else if(bw == CHANNEL_WIDTH_40) duration+= 87; else duration+= 180; SetDuration(pframe, duration); sequence = pBeamInfo->sounding_sequence<< 2; if (pBeamInfo->sounding_sequence >= 0x3f) pBeamInfo->sounding_sequence = 0; else pBeamInfo->sounding_sequence++; _rtw_memcpy(pframe+16, &sequence,1); if(((pmlmeinfo->state&0x03) == WIFI_FW_ADHOC_STATE) || ((pmlmeinfo->state&0x03) == WIFI_FW_AP_STATE)) aid = 0; sta_info.aid = aid; sta_info.feedback_type = 0; sta_info.nc_index= 0; _rtw_memcpy(pframe+17, (u8 *)&sta_info, 2); pattrib->pktlen = 19; pattrib->last_txcmdsz = pattrib->pktlen; dump_mgntframe(Adapter, pmgntframe); return _TRUE; } BOOLEAN beamforming_send_vht_ndpa_packet(PADAPTER Adapter, u8 *ra, u16 aid, CHANNEL_WIDTH bw, u8 qidx) { return issue_vht_ndpa_packet(Adapter, ra, aid, bw, qidx); } BOOLEAN beamfomring_bSounding(struct beamforming_info *pBeamInfo) { BOOLEAN bSounding = _FALSE; if(( beamforming_get_beamform_cap(pBeamInfo) & BEAMFORMER_CAP) == 0) bSounding = _FALSE; else bSounding = _TRUE; return bSounding; } u8 beamforming_sounding_idx(struct beamforming_info *pBeamInfo) { u8 idx = 0; u8 i; for(i = 0; i < BEAMFORMING_ENTRY_NUM; i++) { if (pBeamInfo->beamforming_entry[i].bUsed && (_FALSE == pBeamInfo->beamforming_entry[i].bSound)) { idx = i; break; } } return idx; } SOUNDING_MODE beamforming_sounding_mode(struct beamforming_info *pBeamInfo, u8 idx) { struct beamforming_entry BeamEntry = pBeamInfo->beamforming_entry[idx]; SOUNDING_MODE mode; if(BeamEntry.beamforming_entry_cap & BEAMFORMER_CAP_VHT_SU) { mode = SOUNDING_FW_VHT_TIMER; } else if(BeamEntry.beamforming_entry_cap & BEAMFORMER_CAP_HT_EXPLICIT) { mode = SOUNDING_FW_HT_TIMER; } else { mode = SOUNDING_STOP_All_TIMER; } return mode; } u16 beamforming_sounding_time(struct beamforming_info *pBeamInfo, SOUNDING_MODE mode, u8 idx) { u16 sounding_time = 0xffff; struct beamforming_entry BeamEntry = pBeamInfo->beamforming_entry[idx]; sounding_time = BeamEntry.sound_period; return sounding_time; } CHANNEL_WIDTH beamforming_sounding_bw(struct beamforming_info *pBeamInfo, SOUNDING_MODE mode, u8 idx) { CHANNEL_WIDTH sounding_bw = CHANNEL_WIDTH_20; struct beamforming_entry BeamEntry = pBeamInfo->beamforming_entry[idx]; sounding_bw = BeamEntry.sound_bw; return sounding_bw; } BOOLEAN beamforming_select_beam_entry(struct beamforming_info *pBeamInfo) { struct sounding_info *pSoundInfo = &(pBeamInfo->sounding_info); pSoundInfo->sound_idx = beamforming_sounding_idx(pBeamInfo); if(pSoundInfo->sound_idx < BEAMFORMING_ENTRY_NUM) pSoundInfo->sound_mode = beamforming_sounding_mode(pBeamInfo, pSoundInfo->sound_idx); else pSoundInfo->sound_mode = SOUNDING_STOP_All_TIMER; if(SOUNDING_STOP_All_TIMER == pSoundInfo->sound_mode) { return _FALSE; } else { pSoundInfo->sound_bw = beamforming_sounding_bw(pBeamInfo, pSoundInfo->sound_mode, pSoundInfo->sound_idx ); pSoundInfo->sound_period = beamforming_sounding_time(pBeamInfo, pSoundInfo->sound_mode, pSoundInfo->sound_idx ); return _TRUE; } } BOOLEAN beamforming_start_fw(PADAPTER adapter, u8 idx) { u8 *RA = NULL; struct beamforming_entry *pEntry; BOOLEAN ret = _TRUE; struct mlme_priv *pmlmepriv = &(adapter->mlmepriv); struct beamforming_info *pBeamInfo = GET_BEAMFORM_INFO(pmlmepriv); pEntry = &(pBeamInfo->beamforming_entry[idx]); if(pEntry->bUsed == _FALSE) { DBG_871X("Skip Beamforming, no entry for Idx =%d\n", idx); return _FALSE; } pEntry->beamforming_entry_state = BEAMFORMING_ENTRY_STATE_PROGRESSING; pEntry->bSound = _TRUE; rtw_hal_set_hwreg(adapter, HW_VAR_SOUNDING_FW_NDPA, (u8 *)&idx); return _TRUE; } void beamforming_end_fw(PADAPTER adapter) { u8 idx = 0; rtw_hal_set_hwreg(adapter, HW_VAR_SOUNDING_FW_NDPA, (u8 *)&idx); DBG_871X("%s\n", __FUNCTION__); } BOOLEAN beamforming_start_period(PADAPTER adapter) { BOOLEAN ret = _TRUE; struct mlme_priv *pmlmepriv = &(adapter->mlmepriv); struct beamforming_info *pBeamInfo = GET_BEAMFORM_INFO(pmlmepriv); struct sounding_info *pSoundInfo = &(pBeamInfo->sounding_info); beamforming_dym_ndpa_rate(adapter); beamforming_select_beam_entry(pBeamInfo); if(pSoundInfo->sound_mode == SOUNDING_FW_VHT_TIMER || pSoundInfo->sound_mode == SOUNDING_FW_HT_TIMER) { ret = beamforming_start_fw(adapter, pSoundInfo->sound_idx); } else { ret = _FALSE; } DBG_871X("%s Idx %d Mode %d BW %d Period %d\n", __FUNCTION__, pSoundInfo->sound_idx, pSoundInfo->sound_mode, pSoundInfo->sound_bw, pSoundInfo->sound_period); return ret; } void beamforming_end_period(PADAPTER adapter) { u8 idx = 0; struct beamforming_entry *pBeamformEntry; struct mlme_priv *pmlmepriv = &(adapter->mlmepriv); struct beamforming_info *pBeamInfo = GET_BEAMFORM_INFO(pmlmepriv); struct sounding_info *pSoundInfo = &(pBeamInfo->sounding_info); if(pSoundInfo->sound_mode == SOUNDING_FW_VHT_TIMER || pSoundInfo->sound_mode == SOUNDING_FW_HT_TIMER) { beamforming_end_fw(adapter); } } void beamforming_notify(PADAPTER adapter) { BOOLEAN bSounding = _FALSE; struct beamforming_info *pBeamInfo = GET_BEAMFORM_INFO(&(adapter->mlmepriv)); bSounding = beamfomring_bSounding(pBeamInfo); if(pBeamInfo->beamforming_state == BEAMFORMING_STATE_IDLE) { if(bSounding) { if(beamforming_start_period(adapter) == _TRUE) pBeamInfo->beamforming_state = BEAMFORMING_STATE_START; } } else if(pBeamInfo->beamforming_state == BEAMFORMING_STATE_START) { if(bSounding) { if(beamforming_start_period(adapter) == _FALSE) pBeamInfo->beamforming_state = BEAMFORMING_STATE_END; } else { beamforming_end_period(adapter); pBeamInfo->beamforming_state = BEAMFORMING_STATE_END; } } else if(pBeamInfo->beamforming_state == BEAMFORMING_STATE_END) { if(bSounding) { if(beamforming_start_period(adapter) == _TRUE) pBeamInfo->beamforming_state = BEAMFORMING_STATE_START; } } else { DBG_871X("%s BeamformState %d\n", __FUNCTION__, pBeamInfo->beamforming_state); } DBG_871X("%s BeamformState %d bSounding %d\n", __FUNCTION__, pBeamInfo->beamforming_state, bSounding); } BOOLEAN beamforming_init_entry(PADAPTER adapter, struct sta_info *psta, u8* idx) { struct mlme_priv *pmlmepriv = &(adapter->mlmepriv); struct ht_priv *phtpriv = &(pmlmepriv->htpriv); #ifdef CONFIG_80211AC_VHT struct vht_priv *pvhtpriv = &(pmlmepriv->vhtpriv); #endif struct mlme_ext_priv *pmlmeext = &(adapter->mlmeextpriv); struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); struct beamforming_entry *pBeamformEntry = NULL; u8 *ra; u16 aid, mac_id; u8 wireless_mode; CHANNEL_WIDTH bw = CHANNEL_WIDTH_20; BEAMFORMING_CAP beamform_cap = BEAMFORMING_CAP_NONE; // The current setting does not support Beaforming if (0 == phtpriv->beamform_cap #ifdef CONFIG_80211AC_VHT && 0 == pvhtpriv->beamform_cap #endif ) { DBG_871X("The configuration disabled Beamforming! Skip...\n"); return _FALSE; } aid = psta->aid; ra = psta->hwaddr; mac_id = psta->mac_id; wireless_mode = psta->wireless_mode; bw = psta->bw_mode; if (IsSupportedHT(wireless_mode) || IsSupportedVHT(wireless_mode)) { //3 // HT u8 cur_beamform; cur_beamform = psta->htpriv.beamform_cap; // We are Beamformee because the STA is Beamformer if(TEST_FLAG(cur_beamform, BEAMFORMING_HT_BEAMFORMER_ENABLE)) beamform_cap =(BEAMFORMING_CAP)(beamform_cap |BEAMFORMEE_CAP_HT_EXPLICIT); // We are Beamformer because the STA is Beamformee if(TEST_FLAG(cur_beamform, BEAMFORMING_HT_BEAMFORMEE_ENABLE)) beamform_cap =(BEAMFORMING_CAP)(beamform_cap | BEAMFORMER_CAP_HT_EXPLICIT); #ifdef CONFIG_80211AC_VHT if (IsSupportedVHT(wireless_mode)) { //3 // VHT cur_beamform = psta->vhtpriv.beamform_cap; // We are Beamformee because the STA is Beamformer if(TEST_FLAG(cur_beamform, BEAMFORMING_VHT_BEAMFORMER_ENABLE)) beamform_cap =(BEAMFORMING_CAP)(beamform_cap |BEAMFORMEE_CAP_VHT_SU); // We are Beamformer because the STA is Beamformee if(TEST_FLAG(cur_beamform, BEAMFORMING_VHT_BEAMFORMEE_ENABLE)) beamform_cap =(BEAMFORMING_CAP)(beamform_cap |BEAMFORMER_CAP_VHT_SU); } #endif //CONFIG_80211AC_VHT if(beamform_cap == BEAMFORMING_CAP_NONE) return _FALSE; DBG_871X("Beamforming Config Capability = 0x%02X\n", beamform_cap); pBeamformEntry = beamforming_get_entry_by_addr(pmlmepriv, ra, idx); if (pBeamformEntry == NULL) { pBeamformEntry = beamforming_add_entry(adapter, ra, aid, mac_id, bw, beamform_cap, idx); if(pBeamformEntry == NULL) return _FALSE; else pBeamformEntry->beamforming_entry_state = BEAMFORMING_ENTRY_STATE_INITIALIZEING; } else { // Entry has been created. If entry is initialing or progressing then errors occur. if (pBeamformEntry->beamforming_entry_state != BEAMFORMING_ENTRY_STATE_INITIALIZED && pBeamformEntry->beamforming_entry_state != BEAMFORMING_ENTRY_STATE_PROGRESSED) { DBG_871X("Error State of Beamforming"); return _FALSE; } else { pBeamformEntry->beamforming_entry_state = BEAMFORMING_ENTRY_STATE_INITIALIZEING; } } pBeamformEntry->beamforming_entry_state = BEAMFORMING_ENTRY_STATE_INITIALIZED; psta->txbf_paid = pBeamformEntry->p_aid; psta->txbf_gid = pBeamformEntry->g_id; DBG_871X("%s Idx %d\n", __FUNCTION__, *idx); } else { return _FALSE; } return _SUCCESS; } void beamforming_deinit_entry(PADAPTER adapter, u8* ra) { u8 idx = 0; struct mlme_priv *pmlmepriv = &(adapter->mlmepriv); if(beamforming_remove_entry(pmlmepriv, ra, &idx) == _TRUE) { rtw_hal_set_hwreg(adapter, HW_VAR_SOUNDING_LEAVE, (u8 *)&idx); } DBG_871X("%s Idx %d\n", __FUNCTION__, idx); } void beamforming_reset(PADAPTER adapter) { u8 idx = 0; struct mlme_priv *pmlmepriv = &(adapter->mlmepriv); struct beamforming_info *pBeamInfo = GET_BEAMFORM_INFO(pmlmepriv); for(idx = 0; idx < BEAMFORMING_ENTRY_NUM; idx++) { if(pBeamInfo->beamforming_entry[idx].bUsed == _TRUE) { pBeamInfo->beamforming_entry[idx].bUsed = _FALSE; pBeamInfo->beamforming_entry[idx].beamforming_entry_cap = BEAMFORMING_CAP_NONE; pBeamInfo->beamforming_entry[idx].beamforming_entry_state= BEAMFORMING_ENTRY_STATE_UNINITIALIZE; rtw_hal_set_hwreg(adapter, HW_VAR_SOUNDING_LEAVE, (u8 *)&idx); } } DBG_871X("%s\n", __FUNCTION__); } void beamforming_sounding_fail(PADAPTER Adapter) { struct mlme_priv *pmlmepriv = &(Adapter->mlmepriv); struct beamforming_info *pBeamInfo = GET_BEAMFORM_INFO(pmlmepriv); struct beamforming_entry *pEntry = &(pBeamInfo->beamforming_entry[pBeamInfo->beamforming_cur_idx]); pEntry->bSound = _FALSE; rtw_hal_set_hwreg(Adapter, HW_VAR_SOUNDING_FW_NDPA, (u8 *)&pBeamInfo->beamforming_cur_idx); beamforming_deinit_entry(Adapter, pEntry->mac_addr); } void beamforming_check_sounding_success(PADAPTER Adapter,BOOLEAN status) { struct mlme_priv *pmlmepriv = &(Adapter->mlmepriv); struct beamforming_info *pBeamInfo = GET_BEAMFORM_INFO(pmlmepriv); struct beamforming_entry *pEntry = &(pBeamInfo->beamforming_entry[pBeamInfo->beamforming_cur_idx]); if(status == 1) { pEntry->LogStatusFailCnt = 0; } else { pEntry->LogStatusFailCnt++; DBG_871X("%s LogStatusFailCnt %d\n", __FUNCTION__, pEntry->LogStatusFailCnt); } if(pEntry->LogStatusFailCnt > 20) { DBG_871X("%s LogStatusFailCnt > 20, Stop SOUNDING\n", __FUNCTION__); //pEntry->bSound = _FALSE; //rtw_hal_set_hwreg(Adapter, HW_VAR_SOUNDING_FW_NDPA, (u8 *)&pBeamInfo->beamforming_cur_idx); //beamforming_deinit_entry(Adapter, pEntry->mac_addr); beamforming_wk_cmd(Adapter, BEAMFORMING_CTRL_SOUNDING_FAIL, NULL, 0, 1); } } void beamforming_enter(PADAPTER adapter, PVOID psta) { u8 idx = 0xff; if(beamforming_init_entry(adapter, (struct sta_info *)psta, &idx)) rtw_hal_set_hwreg(adapter, HW_VAR_SOUNDING_ENTER, (u8 *)&idx); //DBG_871X("%s Idx %d\n", __FUNCTION__, idx); } void beamforming_leave(PADAPTER adapter,u8* ra) { if(ra == NULL) beamforming_reset(adapter); else beamforming_deinit_entry(adapter, ra); beamforming_notify(adapter); } BEAMFORMING_CAP beamforming_get_beamform_cap(struct beamforming_info *pBeamInfo) { u8 i; BOOLEAN bSelfBeamformer = _FALSE; BOOLEAN bSelfBeamformee = _FALSE; struct beamforming_entry beamforming_entry; BEAMFORMING_CAP beamform_cap = BEAMFORMING_CAP_NONE; for(i = 0; i < BEAMFORMING_ENTRY_NUM; i++) { beamforming_entry = pBeamInfo->beamforming_entry[i]; if(beamforming_entry.bUsed) { if( (beamforming_entry.beamforming_entry_cap & BEAMFORMEE_CAP_VHT_SU) || (beamforming_entry.beamforming_entry_cap & BEAMFORMEE_CAP_HT_EXPLICIT)) bSelfBeamformee = _TRUE; if( (beamforming_entry.beamforming_entry_cap & BEAMFORMER_CAP_VHT_SU) || (beamforming_entry.beamforming_entry_cap & BEAMFORMER_CAP_HT_EXPLICIT)) bSelfBeamformer = _TRUE; } if(bSelfBeamformer && bSelfBeamformee) i = BEAMFORMING_ENTRY_NUM; } if(bSelfBeamformer) beamform_cap |= BEAMFORMER_CAP; if(bSelfBeamformee) beamform_cap |= BEAMFORMEE_CAP; return beamform_cap; } void beamforming_watchdog(PADAPTER Adapter) { struct beamforming_info *pBeamInfo = GET_BEAMFORM_INFO(( &(Adapter->mlmepriv))); if(pBeamInfo->beamforming_state != BEAMFORMING_STATE_START) return; beamforming_dym_period(Adapter); beamforming_dym_ndpa_rate(Adapter); } #endif/* #if (BEAMFORMING_SUPPORT ==0) - for diver defined beamforming*/ u32 beamforming_get_report_frame(PADAPTER Adapter, union recv_frame *precv_frame) { u32 ret = _SUCCESS; #if (BEAMFORMING_SUPPORT == 1) PHAL_DATA_TYPE pHalData = GET_HAL_DATA(Adapter); PDM_ODM_T pDM_Odm = &(pHalData->odmpriv); ret = Beamforming_GetReportFrame(pDM_Odm, precv_frame); #else /*(BEAMFORMING_SUPPORT == 0)- for drv beamfoming*/ struct beamforming_entry *pBeamformEntry = NULL; struct mlme_priv *pmlmepriv = &(Adapter->mlmepriv); u8 *pframe = precv_frame->u.hdr.rx_data; u32 frame_len = precv_frame->u.hdr.len; u8 *ta; u8 idx, offset; /*DBG_871X("beamforming_get_report_frame\n");*/ /*Memory comparison to see if CSI report is the same with previous one*/ ta = GetAddr2Ptr(pframe); pBeamformEntry = beamforming_get_entry_by_addr(pmlmepriv, ta, &idx); if (pBeamformEntry->beamforming_entry_cap & BEAMFORMER_CAP_VHT_SU) offset = 31; /*24+(1+1+3)+2 MAC header+(Category+ActionCode+MIMOControlField)+SNR(Nc=2)*/ else if (pBeamformEntry->beamforming_entry_cap & BEAMFORMER_CAP_HT_EXPLICIT) offset = 34; /*24+(1+1+6)+2 MAC header+(Category+ActionCode+MIMOControlField)+SNR(Nc=2)*/ else return ret; /*DBG_871X("%s MacId %d offset=%d\n", __FUNCTION__, pBeamformEntry->mac_id, offset);*/ if (_rtw_memcmp(pBeamformEntry->PreCsiReport + offset, pframe+offset, frame_len-offset) == _FALSE) pBeamformEntry->DefaultCsiCnt = 0; else pBeamformEntry->DefaultCsiCnt++; _rtw_memcpy(&pBeamformEntry->PreCsiReport, pframe, frame_len); pBeamformEntry->bDefaultCSI = _FALSE; if (pBeamformEntry->DefaultCsiCnt > 20) pBeamformEntry->bDefaultCSI = _TRUE; else pBeamformEntry->bDefaultCSI = _FALSE; #endif return ret; } void beamforming_get_ndpa_frame(PADAPTER Adapter, union recv_frame *precv_frame) { #if (BEAMFORMING_SUPPORT == 1) PHAL_DATA_TYPE pHalData = GET_HAL_DATA(Adapter); PDM_ODM_T pDM_Odm = &(pHalData->odmpriv); Beamforming_GetNDPAFrame(pDM_Odm, precv_frame); #else /*(BEAMFORMING_SUPPORT == 0)- for drv beamfoming*/ u8 *ta; u8 idx, Sequence; u8 *pframe = precv_frame->u.hdr.rx_data; struct mlme_priv *pmlmepriv = &(Adapter->mlmepriv); struct beamforming_entry *pBeamformEntry = NULL; /*DBG_871X("beamforming_get_ndpa_frame\n");*/ if (IS_HARDWARE_TYPE_8812(Adapter) == _FALSE) return; else if (GetFrameSubType(pframe) != WIFI_NDPA) return; ta = GetAddr2Ptr(pframe); /*Remove signaling TA. */ ta[0] = ta[0] & 0xFE; pBeamformEntry = beamforming_get_entry_by_addr(pmlmepriv, ta, &idx); if (pBeamformEntry == NULL) return; else if (!(pBeamformEntry->beamforming_entry_cap & BEAMFORMEE_CAP_VHT_SU)) return; /*LogSuccess: As long as 8812A receive NDPA and feedback CSI succeed once, clock reset is NO LONGER needed !2015-04-10, Jeffery*/ /*ClockResetTimes: While BFer entry always doesn't receive our CSI, clock will reset again and again.So ClockResetTimes is limited to 5 times.2015-04-13, Jeffery*/ else if ((pBeamformEntry->LogSuccess == 1) || (pBeamformEntry->ClockResetTimes == 5)) { DBG_871X("[%s] LogSeq=%d, PreLogSeq=%d\n", __func__, pBeamformEntry->LogSeq, pBeamformEntry->PreLogSeq); return; } Sequence = (pframe[16]) >> 2; DBG_871X("[%s] Start, Sequence=%d, LogSeq=%d, PreLogSeq=%d, LogRetryCnt=%d, ClockResetTimes=%d, LogSuccess=%d\n", __func__, Sequence, pBeamformEntry->LogSeq, pBeamformEntry->PreLogSeq, pBeamformEntry->LogRetryCnt, pBeamformEntry->ClockResetTimes, pBeamformEntry->LogSuccess); if ((pBeamformEntry->LogSeq != 0) && (pBeamformEntry->PreLogSeq != 0)) { /*Success condition*/ if ((pBeamformEntry->LogSeq != Sequence) && (pBeamformEntry->PreLogSeq != pBeamformEntry->LogSeq)) { /* break option for clcok reset, 2015-03-30, Jeffery */ pBeamformEntry->LogRetryCnt = 0; /*As long as 8812A receive NDPA and feedback CSI succeed once, clock reset is no longer needed.*/ /*That is, LogSuccess is NOT needed to be reset to zero, 2015-04-13, Jeffery*/ pBeamformEntry->LogSuccess = 1; } else {/*Fail condition*/ if (pBeamformEntry->LogRetryCnt == 5) { pBeamformEntry->ClockResetTimes++; pBeamformEntry->LogRetryCnt = 0; DBG_871X("[%s] Clock Reset!!! ClockResetTimes=%d\n", __func__, pBeamformEntry->ClockResetTimes); beamforming_wk_cmd(Adapter, BEAMFORMING_CTRL_SOUNDING_CLK, NULL, 0, 1); } else pBeamformEntry->LogRetryCnt++; } } /*Update LogSeq & PreLogSeq*/ pBeamformEntry->PreLogSeq = pBeamformEntry->LogSeq; pBeamformEntry->LogSeq = Sequence; #endif } void beamforming_wk_hdl(_adapter *padapter, u8 type, u8 *pbuf) { PHAL_DATA_TYPE pHalData = GET_HAL_DATA(padapter); PDM_ODM_T pDM_Odm = &(pHalData->odmpriv); _func_enter_; #if (BEAMFORMING_SUPPORT == 1) /*(BEAMFORMING_SUPPORT == 1)- for PHYDM beamfoming*/ switch (type) { case BEAMFORMING_CTRL_ENTER: { struct sta_info *psta = (PVOID)pbuf; u16 staIdx = psta->mac_id; Beamforming_Enter(pDM_Odm, staIdx); break; } case BEAMFORMING_CTRL_LEAVE: Beamforming_Leave(pDM_Odm, pbuf); break; default: break; } #else /*(BEAMFORMING_SUPPORT == 0)- for drv beamfoming*/ switch (type) { case BEAMFORMING_CTRL_ENTER: beamforming_enter(padapter, (PVOID)pbuf); break; case BEAMFORMING_CTRL_LEAVE: beamforming_leave(padapter, pbuf); break; case BEAMFORMING_CTRL_SOUNDING_FAIL: beamforming_sounding_fail(padapter); break; case BEAMFORMING_CTRL_SOUNDING_CLK: rtw_hal_set_hwreg(padapter, HW_VAR_SOUNDING_CLK, NULL); break; default: break; } #endif _func_exit_; } u8 beamforming_wk_cmd(_adapter*padapter, s32 type, u8 *pbuf, s32 size, u8 enqueue) { struct cmd_obj *ph2c; struct drvextra_cmd_parm *pdrvextra_cmd_parm; struct cmd_priv *pcmdpriv = &padapter->cmdpriv; u8 res = _SUCCESS; _func_enter_; if(enqueue) { u8 *wk_buf; ph2c = (struct cmd_obj*)rtw_zmalloc(sizeof(struct cmd_obj)); if(ph2c==NULL){ res= _FAIL; goto exit; } pdrvextra_cmd_parm = (struct drvextra_cmd_parm*)rtw_zmalloc(sizeof(struct drvextra_cmd_parm)); if(pdrvextra_cmd_parm==NULL){ rtw_mfree((unsigned char *)ph2c, sizeof(struct cmd_obj)); res= _FAIL; goto exit; } if (pbuf != NULL) { wk_buf = rtw_zmalloc(size); if(wk_buf==NULL){ rtw_mfree((u8 *)ph2c, sizeof(struct cmd_obj)); rtw_mfree((u8 *)pdrvextra_cmd_parm, sizeof(struct drvextra_cmd_parm)); res= _FAIL; goto exit; } _rtw_memcpy(wk_buf, pbuf, size); } else { wk_buf = NULL; size = 0; } pdrvextra_cmd_parm->ec_id = BEAMFORMING_WK_CID; pdrvextra_cmd_parm->type = type; pdrvextra_cmd_parm->size = size; pdrvextra_cmd_parm->pbuf = wk_buf; init_h2fwcmd_w_parm_no_rsp(ph2c, pdrvextra_cmd_parm, GEN_CMD_CODE(_Set_Drv_Extra)); res = rtw_enqueue_cmd(pcmdpriv, ph2c); } else { beamforming_wk_hdl(padapter, type, pbuf); } exit: _func_exit_; return res; } void update_attrib_txbf_info(_adapter *padapter, struct pkt_attrib *pattrib, struct sta_info *psta) { if (psta) { pattrib->txbf_g_id = psta->txbf_gid; pattrib->txbf_p_aid = psta->txbf_paid; } } #endif