rtl8812au/include/rtw_beamforming.h

/******************************************************************************
 *
 * Copyright(c) 2007 - 2016 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
 *
 *
 ******************************************************************************/
#ifndef __RTW_BEAMFORMING_H_
#define __RTW_BEAMFORMING_H_

#ifdef CONFIG_BEAMFORMING

#if (BEAMFORMING_SUPPORT == 0) /*for diver defined beamforming*/
#ifdef RTW_BEAMFORMING_VERSION_2
#define MAX_NUM_BEAMFORMEE_SU	2
#define MAX_NUM_BEAMFORMER_SU	2
#define MAX_NUM_BEAMFORMEE_MU	6
#define MAX_NUM_BEAMFORMER_MU	1

#define MAX_BEAMFORMEE_ENTRY_NUM	(MAX_NUM_BEAMFORMEE_SU + MAX_NUM_BEAMFORMEE_MU)
#define MAX_BEAMFORMER_ENTRY_NUM	(MAX_NUM_BEAMFORMER_SU + MAX_NUM_BEAMFORMER_MU)

#define GetInitSoundCnt(_SoundPeriod, _MinSoundPeriod)	((_SoundPeriod)/(_MinSoundPeriod))

#define GET_BEAMFORM_INFO(adapter)	(&GET_HAL_DATA(adapter)->beamforming_info)
#else /* !RTW_BEAMFORMING_VERSION_2 */
#define BEAMFORMING_ENTRY_NUM		2
#define GET_BEAMFORM_INFO(_pmlmepriv)	((struct beamforming_info *)(&(_pmlmepriv)->beamforming_info))
#endif /* !RTW_BEAMFORMING_VERSION_2 */

typedef enum _BEAMFORMING_ENTRY_STATE {
	BEAMFORMING_ENTRY_STATE_UNINITIALIZE,
	BEAMFORMING_ENTRY_STATE_INITIALIZEING,
	BEAMFORMING_ENTRY_STATE_INITIALIZED,
	BEAMFORMING_ENTRY_STATE_PROGRESSING,
	BEAMFORMING_ENTRY_STATE_PROGRESSED,
} BEAMFORMING_ENTRY_STATE, *PBEAMFORMING_ENTRY_STATE;


typedef enum _BEAMFORMING_STATE {
	BEAMFORMING_STATE_IDLE,
	BEAMFORMING_STATE_START,
	BEAMFORMING_STATE_END,
} BEAMFORMING_STATE, *PBEAMFORMING_STATE;


typedef enum _BEAMFORMING_CAP {
	BEAMFORMING_CAP_NONE = 0x0,
	BEAMFORMER_CAP_HT_EXPLICIT = 0x1,
	BEAMFORMEE_CAP_HT_EXPLICIT = 0x2,
	BEAMFORMER_CAP_VHT_SU = 0x4,			/* Self has er Cap, because Reg er  & peer ee */
	BEAMFORMEE_CAP_VHT_SU = 0x8, 			/* Self has ee Cap, because Reg ee & peer er */
	BEAMFORMER_CAP_VHT_MU = 0x10,			/* Self has er Cap, because Reg er & peer ee */
	BEAMFORMEE_CAP_VHT_MU = 0x20,			/* Self has ee Cap, because Reg ee & peer er */
	BEAMFORMER_CAP = 0x40,
	BEAMFORMEE_CAP = 0x80,
} BEAMFORMING_CAP, *PBEAMFORMING_CAP;


typedef enum _SOUNDING_MODE {
	SOUNDING_SW_VHT_TIMER = 0x0,
	SOUNDING_SW_HT_TIMER = 0x1,
	SOUNDING_STOP_All_TIMER = 0x2,
	SOUNDING_HW_VHT_TIMER = 0x3,
	SOUNDING_HW_HT_TIMER = 0x4,
	SOUNDING_STOP_OID_TIMER = 0x5,
	SOUNDING_AUTO_VHT_TIMER = 0x6,
	SOUNDING_AUTO_HT_TIMER = 0x7,
	SOUNDING_FW_VHT_TIMER = 0x8,
	SOUNDING_FW_HT_TIMER = 0x9,
} SOUNDING_MODE, *PSOUNDING_MODE;

#ifdef RTW_BEAMFORMING_VERSION_2
enum _BEAMFORM_ENTRY_HW_STATE {
	BEAMFORM_ENTRY_HW_STATE_NONE,
	BEAMFORM_ENTRY_HW_STATE_ADD_INIT,
	BEAMFORM_ENTRY_HW_STATE_ADDING,
	BEAMFORM_ENTRY_HW_STATE_ADDED,
	BEAMFORM_ENTRY_HW_STATE_DELETE_INIT,
	BEAMFORM_ENTRY_HW_STATE_DELETING,
	BEAMFORM_ENTRY_HW_STATE_MAX
};

struct beamformee_entry {
	u8 used;	/* _TRUE/_FALSE */
	u8 txbf;
	u8 sounding;
	/* Used to construct AID field of NDPA packet */
	u16 aid;
	/* Used to Set Reg42C in IBSS mode */
	u16 mac_id;
	/* Used to fill Reg42C & Reg714 to compare with P_AID of Tx DESC */
	u16 p_aid;
	u16 g_id;
	/* Used to fill Reg6E4 to fill Mac address of CSI report frame */
	u8 mac_addr[ETH_ALEN];
	/* Sounding BandWidth */
	CHANNEL_WIDTH sound_bw;
	u16 sound_period;

	BEAMFORMING_CAP cap;
	enum _BEAMFORM_ENTRY_HW_STATE state;

	/* The BFee need to be sounded when count to zero */
	u8 SoundCnt;
	u8 bCandidateSoundingPeer;
	u8 bSoundingTimeout;
	u8 bDeleteSounding;

	u16 LogStatusFailCnt:5;	/* 0~21 */
	u16 DefaultCSICnt:5; /* 0~21 */
	u8 CSIMatrix[327];
	u16 CSIMatrixLen;

	u8 NumofSoundingDim;
	u8 CompSteeringNumofBFer;

	u8 su_reg_index;

	/* MU-MIMO */
	u8 mu_reg_index;
	u8 gid_valid[8];
	u8 user_position[16];
};

struct beamformer_entry {
	u8 used;
	/* p_aid of BFer entry is probably not used */
	/* Used to fill Reg42C & Reg714 to compare with p_aid of Tx DESC */
	u16 p_aid;
	u16 g_id;
	u8 mac_addr[ETH_ALEN];

	BEAMFORMING_CAP cap;
	enum _BEAMFORM_ENTRY_HW_STATE state;

	u8 NumofSoundingDim;
	u8 su_reg_index;

	 /* MU-MIMO */
	u8 gid_valid[8];
	u8 user_position[16];
	u16 aid;
};

/* The sounding state is recorded by BFer. */
enum _SOUNDING_STATE {
	SOUNDING_STATE_NONE		= 0,
	SOUNDING_STATE_INIT		= 1,
	SOUNDING_STATE_SU_START		= 2,
	SOUNDING_STATE_SU_SOUNDDOWN	= 3,
	SOUNDING_STATE_MU_START		= 4,
	SOUNDING_STATE_MU_SOUNDDOWN	= 5,
	SOUNDING_STATE_SOUNDING_TIMEOUT	= 6,
	SOUNDING_STATE_MAX
};

struct sounding_info {
	u8			su_sounding_list[MAX_NUM_BEAMFORMEE_SU];
	u8			mu_sounding_list[MAX_NUM_BEAMFORMEE_MU];

	enum _SOUNDING_STATE	state;
	u8			su_bfee_curidx;
	u8			candidate_mu_bfee_cnt;

	/* For sounding schedule maintenance */
	u16			min_sounding_period;
	/* Get from sounding list */
	/* Ex: SU STA1, SU STA2, MU STA(1~n) => the value will be 2+1=3 */
	u8			sound_remain_cnt_per_period;
	/* Real number of SU sound per period */
	u8			su_sound_num_per_period;
	/* Real number of MU sound per period */
	u8			mu_sound_num_per_period;
};

struct beamforming_info {
	BEAMFORMING_CAP		beamforming_cap;
	BEAMFORMING_STATE	beamforming_state;
	struct beamformee_entry	bfee_entry[MAX_BEAMFORMEE_ENTRY_NUM];
	struct beamformer_entry	bfer_entry[MAX_BEAMFORMER_ENTRY_NUM];
	u8			sounding_sequence;
	u8			beamformee_su_cnt;
	u8			beamformer_su_cnt;
	u32			beamformee_su_reg_maping;
	u32			beamformer_su_reg_maping;
	/* For MU-MINO */
	u8			beamformee_mu_cnt;
	u8			beamformer_mu_cnt;
	u32			beamformee_mu_reg_maping;
	u8			first_mu_bfee_index;
	u8			mu_bfer_curidx;

	struct sounding_info	sounding_info;

	/* For HW configuration */
	u8			SetHalBFEnterOnDemandCnt;
	u8			SetHalBFLeaveOnDemandCnt;
	u8			SetHalSoundownOnDemandCnt;
};

struct beamformee_entry *beamforming_get_bfee_entry_by_addr(PADAPTER, u8 *ra);
struct beamformer_entry *beamforming_get_bfer_entry_by_addr(PADAPTER, u8 *ra);
u8 beamforming_send_vht_gid_mgnt_packet(PADAPTER, struct beamformee_entry*);

#else /* !RTW_BEAMFORMING_VERSION_2 */
struct beamforming_entry {
	BOOLEAN	bUsed;
	BOOLEAN	bSound;
	u16	aid;			/* Used to construct AID field of NDPA packet. */
	u16	mac_id;		/* Used to Set Reg42C in IBSS mode. */
	u16	p_aid;		/* Used to fill Reg42C & Reg714 to compare with P_AID of Tx DESC. */
	u16 g_id;
	u8	mac_addr[6];/* Used to fill Reg6E4 to fill Mac address of CSI report frame. */
	CHANNEL_WIDTH	sound_bw;	/* Sounding BandWidth */
	u16	sound_period;
	BEAMFORMING_CAP	beamforming_entry_cap;
	BEAMFORMING_ENTRY_STATE	beamforming_entry_state;
	u8				ClockResetTimes;			/*Modified by Jeffery @2015-04-10*/
	u8				PreLogSeq;				/*Modified by Jeffery @2015-03-30*/
	u8				LogSeq;					/*Modified by Jeffery @2014-10-29*/
	u16				LogRetryCnt:3;			/*Modified by Jeffery @2014-10-29*/
	u16				LogSuccess:2;			/*Modified by Jeffery @2014-10-29*/

	u8	LogStatusFailCnt;
	u8	PreCsiReport[327];
	u8	DefaultCsiCnt;
	BOOLEAN	bDefaultCSI;
};

struct sounding_info {
	u8				sound_idx;
	CHANNEL_WIDTH	sound_bw;
	SOUNDING_MODE	sound_mode;
	u16				sound_period;
};

struct beamforming_info {
	BEAMFORMING_CAP		beamforming_cap;
	BEAMFORMING_STATE		beamforming_state;
	struct beamforming_entry	beamforming_entry[BEAMFORMING_ENTRY_NUM];
	u8						beamforming_cur_idx;
	u8						beamforming_in_progress;
	u8						sounding_sequence;
	struct sounding_info		sounding_info;
};

struct rtw_ndpa_sta_info {
	u16	aid:12;
	u16	feedback_type:1;
	u16	nc_index:3;
};

void	beamforming_notify(PADAPTER adapter);
BEAMFORMING_CAP beamforming_get_beamform_cap(struct beamforming_info	*pBeamInfo);
#endif /* !RTW_BEAMFORMING_VERSION_2 */

BEAMFORMING_CAP beamforming_get_entry_beam_cap_by_mac_id(void *mlmepriv, u8 mac_id);

BOOLEAN	beamforming_send_ht_ndpa_packet(PADAPTER Adapter, u8 *ra, CHANNEL_WIDTH bw, u8 qidx);
BOOLEAN	beamforming_send_vht_ndpa_packet(PADAPTER Adapter, u8 *ra, u16 aid, CHANNEL_WIDTH bw, u8 qidx);

void	beamforming_check_sounding_success(PADAPTER Adapter, BOOLEAN status);

void	beamforming_watchdog(PADAPTER Adapter);
#endif /*#if (BEAMFORMING_SUPPORT ==0)- for diver defined beamforming*/

enum BEAMFORMING_CTRL_TYPE {
	BEAMFORMING_CTRL_ENTER = 0,
	BEAMFORMING_CTRL_LEAVE = 1,
	BEAMFORMING_CTRL_START_PERIOD = 2,
	BEAMFORMING_CTRL_END_PERIOD = 3,
	BEAMFORMING_CTRL_SOUNDING_FAIL = 4,
	BEAMFORMING_CTRL_SOUNDING_CLK = 5,
	BEAMFORMING_CTRL_SET_GID_TABLE = 6,
};
u32	beamforming_get_report_frame(PADAPTER	 Adapter, union recv_frame *precv_frame);
void	beamforming_get_ndpa_frame(PADAPTER	 Adapter, union recv_frame *precv_frame);
u32 beamforming_get_vht_gid_mgnt_frame(PADAPTER, union recv_frame *);

void	beamforming_wk_hdl(_adapter *padapter, u8 type, u8 *pbuf);
u8	beamforming_wk_cmd(_adapter *padapter, s32 type, u8 *pbuf, s32 size, u8 enqueue);
void update_attrib_txbf_info(_adapter *padapter, struct pkt_attrib *pattrib, struct sta_info *psta);

#endif /*#ifdef CONFIG_BEAMFORMING */

#endif /*__RTW_BEAMFORMING_H_*/