/******************************************************************************
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*
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* Copyright(c) 2007 - 2017 Realtek Corporation.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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*****************************************************************************/
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#ifndef __RTW_BEAMFORMING_H_
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#define __RTW_BEAMFORMING_H_
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#ifdef CONFIG_BEAMFORMING
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#ifdef RTW_BEAMFORMING_VERSION_2
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#define MAX_NUM_BEAMFORMEE_SU 2
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#define MAX_NUM_BEAMFORMER_SU 2
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#define MAX_NUM_BEAMFORMEE_MU 6
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#define MAX_NUM_BEAMFORMER_MU 1
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#define MAX_BEAMFORMEE_ENTRY_NUM (MAX_NUM_BEAMFORMEE_SU + MAX_NUM_BEAMFORMEE_MU)
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#define MAX_BEAMFORMER_ENTRY_NUM (MAX_NUM_BEAMFORMER_SU + MAX_NUM_BEAMFORMER_MU)
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/* <Note> Need to be defined by IC */
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#define SU_SOUNDING_TIMEOUT 5 /* unit: ms */
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#define MU_SOUNDING_TIMEOUT 8 /* unit: ms */
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#define GET_BEAMFORM_INFO(adapter) (&GET_HAL_DATA(adapter)->beamforming_info)
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#define GetInitSoundCnt(_SoundPeriod, _MinSoundPeriod) ((_SoundPeriod)/(_MinSoundPeriod))
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enum BEAMFORMING_CTRL_TYPE {
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BEAMFORMING_CTRL_ENTER = 0,
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BEAMFORMING_CTRL_LEAVE = 1,
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BEAMFORMING_CTRL_START_PERIOD = 2,
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BEAMFORMING_CTRL_END_PERIOD = 3,
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BEAMFORMING_CTRL_SOUNDING_FAIL = 4,
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BEAMFORMING_CTRL_SOUNDING_CLK = 5,
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BEAMFORMING_CTRL_SET_GID_TABLE = 6,
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BEAMFORMING_CTRL_SET_CSI_REPORT = 7,
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};
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enum _BEAMFORMING_STATE {
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BEAMFORMING_STATE_IDLE,
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BEAMFORMING_STATE_START,
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BEAMFORMING_STATE_END,
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};
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/*
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* typedef BEAMFORMING_CAP for phydm
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*/
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typedef enum beamforming_cap {
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BEAMFORMING_CAP_NONE = 0x0,
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BEAMFORMER_CAP_HT_EXPLICIT = 0x1,
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BEAMFORMEE_CAP_HT_EXPLICIT = 0x2,
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BEAMFORMER_CAP_VHT_SU = 0x4, /* Self has er Cap, because Reg er & peer ee */
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BEAMFORMEE_CAP_VHT_SU = 0x8, /* Self has ee Cap, because Reg ee & peer er */
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BEAMFORMER_CAP_VHT_MU = 0x10, /* Self has er Cap, because Reg er & peer ee */
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BEAMFORMEE_CAP_VHT_MU = 0x20, /* Self has ee Cap, because Reg ee & peer er */
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BEAMFORMER_CAP = 0x40,
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BEAMFORMEE_CAP = 0x80,
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} BEAMFORMING_CAP;
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enum _BEAMFORM_ENTRY_HW_STATE {
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BEAMFORM_ENTRY_HW_STATE_NONE,
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BEAMFORM_ENTRY_HW_STATE_ADD_INIT,
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BEAMFORM_ENTRY_HW_STATE_ADDING,
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BEAMFORM_ENTRY_HW_STATE_ADDED,
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BEAMFORM_ENTRY_HW_STATE_DELETE_INIT,
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BEAMFORM_ENTRY_HW_STATE_DELETING,
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BEAMFORM_ENTRY_HW_STATE_MAX
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};
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/* The sounding state is recorded by BFer. */
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enum _SOUNDING_STATE {
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SOUNDING_STATE_NONE = 0,
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SOUNDING_STATE_INIT = 1,
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SOUNDING_STATE_SU_START = 2,
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SOUNDING_STATE_SU_SOUNDDOWN = 3,
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SOUNDING_STATE_MU_START = 4,
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SOUNDING_STATE_MU_SOUNDDOWN = 5,
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SOUNDING_STATE_SOUNDING_TIMEOUT = 6,
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SOUNDING_STATE_MAX
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};
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struct beamformee_entry {
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u8 used; /* _TRUE/_FALSE */
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u8 txbf;
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u8 sounding;
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/* Used to construct AID field of NDPA packet */
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u16 aid;
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/* Used to Set Reg42C in IBSS mode */
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u16 mac_id;
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/* Used to fill Reg42C & Reg714 to compare with P_AID of Tx DESC */
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u16 p_aid;
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u8 g_id;
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/* Used to fill Reg6E4 to fill Mac address of CSI report frame */
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u8 mac_addr[ETH_ALEN];
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/* Sounding BandWidth */
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enum channel_width sound_bw;
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u16 sound_period;
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enum beamforming_cap cap;
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enum _BEAMFORM_ENTRY_HW_STATE state;
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/* The BFee need to be sounded when count to zero */
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u8 SoundCnt;
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u8 bCandidateSoundingPeer;
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u8 bSoundingTimeout;
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u8 bDeleteSounding;
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/* Get the result through throughput and Tx rate from BB API */
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u8 bApplySounding;
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/* information for sounding judgement */
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systime tx_timestamp;
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u64 tx_bytes;
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u16 LogStatusFailCnt:5; /* 0~21 */
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u16 DefaultCSICnt:5; /* 0~21 */
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u8 CSIMatrix[327];
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u16 CSIMatrixLen;
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u8 NumofSoundingDim;
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u8 comp_steering_num_of_bfer;
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/* SU-MIMO */
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u8 su_reg_index;
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/* MU-MIMO */
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u8 mu_reg_index;
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u8 gid_valid[8];
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u8 user_position[16];
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/* For 8822B C-cut workaround */
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/* If the flag set to _TRUE, do not sound this STA */
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u8 bSuspendSUCap;
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};
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struct beamformer_entry {
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u8 used;
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/* p_aid of BFer entry is probably not used */
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/* Used to fill Reg42C & Reg714 to compare with p_aid of Tx DESC */
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u16 p_aid;
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u8 g_id;
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u8 mac_addr[ETH_ALEN];
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enum beamforming_cap cap;
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enum _BEAMFORM_ENTRY_HW_STATE state;
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u8 NumofSoundingDim;
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/* SU-MIMO */
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u8 su_reg_index;
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/* MU-MIMO */
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u8 gid_valid[8];
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u8 user_position[16];
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u16 aid;
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};
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struct sounding_info {
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u8 su_sounding_list[MAX_NUM_BEAMFORMEE_SU];
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u8 mu_sounding_list[MAX_NUM_BEAMFORMEE_MU];
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enum _SOUNDING_STATE state;
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/*
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* su_bfee_curidx is index for beamforming_info.bfee_entry[]
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* range: 0~MAX_BEAMFORMEE_ENTRY_NUM
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*/
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u8 su_bfee_curidx;
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u8 candidate_mu_bfee_cnt;
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/* For sounding schedule maintenance */
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u16 min_sounding_period;
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/* Get from sounding list */
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/* Ex: SU STA1, SU STA2, MU STA(1~n) => the value will be 2+1=3 */
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u8 sound_remain_cnt_per_period;
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};
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struct _RT_CSI_INFO{
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u8 Nc;
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u8 Nr;
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u8 Ng;
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u8 CodeBook;
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u8 ChnlWidth;
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u8 bVHT;
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};
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struct beamforming_info {
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enum beamforming_cap beamforming_cap;
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enum _BEAMFORMING_STATE beamforming_state;
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struct beamformee_entry bfee_entry[MAX_BEAMFORMEE_ENTRY_NUM];
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struct beamformer_entry bfer_entry[MAX_BEAMFORMER_ENTRY_NUM];
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u8 sounding_sequence;
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u8 beamformee_su_cnt;
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u8 beamformer_su_cnt;
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u32 beamformee_su_reg_maping;
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u32 beamformer_su_reg_maping;
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/* For MU-MINO */
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u8 beamformee_mu_cnt;
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u8 beamformer_mu_cnt;
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u32 beamformee_mu_reg_maping;
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u8 first_mu_bfee_index;
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u8 mu_bfer_curidx;
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u8 cur_csi_rpt_rate;
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struct sounding_info sounding_info;
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/* schedule regular timer for sounding */
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_timer sounding_timer;
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/* moniter if soudning too long */
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_timer sounding_timeout_timer;
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/* For HW configuration */
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u8 SetHalBFEnterOnDemandCnt;
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u8 SetHalBFLeaveOnDemandCnt;
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u8 SetHalSoundownOnDemandCnt;
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u8 bSetBFHwConfigInProgess;
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/*
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* Target CSI report info.
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* Keep the first SU CSI report info for 8822B HW bug workaround.
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*/
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u8 bEnableSUTxBFWorkAround;
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struct _RT_CSI_INFO TargetCSIInfo;
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/* Only peform sounding to the first SU BFee */
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struct beamformee_entry *TargetSUBFee;
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/* For debug */
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s8 sounding_running;
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};
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enum beamforming_cap rtw_bf_bfee_get_entry_cap_by_macid(void *mlmepriv, u8 mac_id);
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struct beamformer_entry *rtw_bf_bfer_get_entry_by_addr(PADAPTER, u8 *ra);
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struct beamformee_entry *rtw_bf_bfee_get_entry_by_addr(PADAPTER, u8 *ra);
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void rtw_bf_get_ndpa_packet(PADAPTER, union recv_frame *);
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u32 rtw_bf_get_report_packet(PADAPTER, union recv_frame *);
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u8 rtw_bf_send_vht_gid_mgnt_packet(PADAPTER, u8 *ra, u8 *gid, u8 *position);
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void rtw_bf_get_vht_gid_mgnt_packet(PADAPTER, union recv_frame *);
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void rtw_bf_init(PADAPTER);
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void rtw_bf_cmd_hdl(PADAPTER, u8 type, u8 *pbuf);
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u8 rtw_bf_cmd(PADAPTER, s32 type, u8 *pbuf, s32 size, u8 enqueue);
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void rtw_bf_update_attrib(PADAPTER, struct pkt_attrib *, struct sta_info *);
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void rtw_bf_c2h_handler(PADAPTER, u8 id, u8 *buf, u8 buf_len);
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void rtw_bf_update_traffic(PADAPTER);
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/* Compatible with old function name, only for using outside rtw_beamforming.c */
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#define beamforming_get_entry_beam_cap_by_mac_id rtw_bf_bfee_get_entry_cap_by_macid
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#define rtw_beamforming_get_ndpa_frame rtw_bf_get_ndpa_packet
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#define rtw_beamforming_get_report_frame rtw_bf_get_report_packet
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#define rtw_beamforming_get_vht_gid_mgnt_frame rtw_bf_get_vht_gid_mgnt_packet
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#define beamforming_wk_hdl rtw_bf_cmd_hdl
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#define beamforming_wk_cmd rtw_bf_cmd
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#define update_attrib_txbf_info rtw_bf_update_attrib
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#define HT_BF_CAP(adapter) ((adapter)->mlmepriv.htpriv.beamform_cap)
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#define VHT_BF_CAP(adapter) ((adapter)->mlmepriv.vhtpriv.beamform_cap)
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#define IS_HT_BEAMFORMEE(adapter) \
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(HT_BF_CAP(adapter) & \
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(BEAMFORMING_HT_BEAMFORMEE_ENABLE))
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#define IS_VHT_BEAMFORMEE(adapter) \
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(VHT_BF_CAP(adapter) & \
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(BEAMFORMING_VHT_BEAMFORMEE_ENABLE | \
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BEAMFORMING_VHT_MU_MIMO_STA_ENABLE))
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#define IS_BEAMFORMEE(adapter) (IS_HT_BEAMFORMEE(adapter) | \
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IS_VHT_BEAMFORMEE(adapter))
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#else /* !RTW_BEAMFORMING_VERSION_2 */
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/*PHYDM_BF - (BEAMFORMING_SUPPORT == 1)*/
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enum BEAMFORMING_CTRL_TYPE {
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BEAMFORMING_CTRL_ENTER = 0,
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BEAMFORMING_CTRL_LEAVE = 1,
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BEAMFORMING_CTRL_START_PERIOD = 2,
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BEAMFORMING_CTRL_END_PERIOD = 3,
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BEAMFORMING_CTRL_SOUNDING_FAIL = 4,
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BEAMFORMING_CTRL_SOUNDING_CLK = 5,
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};
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u32 rtw_beamforming_get_report_frame(PADAPTER Adapter, union recv_frame *precv_frame);
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void rtw_beamforming_get_ndpa_frame(PADAPTER Adapter, union recv_frame *precv_frame);
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void beamforming_wk_hdl(_adapter *padapter, u8 type, u8 *pbuf);
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u8 beamforming_wk_cmd(_adapter *padapter, s32 type, u8 *pbuf, s32 size, u8 enqueue);
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void update_attrib_txbf_info(_adapter *padapter, struct pkt_attrib *pattrib, struct sta_info *psta);
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#endif /* !RTW_BEAMFORMING_VERSION_2 */
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#endif /*#ifdef CONFIG_BEAMFORMING */
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#endif /*__RTW_BEAMFORMING_H_*/
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