drivers/staging/rtl8723bs/include/rtw_beamforming.h

/******************************************************************************
 *
 * 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.
 *
 ******************************************************************************/
#ifndef __RTW_BEAMFORMING_H_
#define __RTW_BEAMFORMING_H_

#define BEAMFORMING_ENTRY_NUM		2
#define GET_BEAMFORM_INFO(_pmlmepriv)	((struct beamforming_info *)(&(_pmlmepriv)->beamforming_info))

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 = 0x10,
	BEAMFORMEE_CAP = 0x20,
}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;


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,
};

struct beamforming_entry {
	bool	bUsed;
	bool	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. */
	u8 mac_addr[6];/*  Used to fill Reg6E4 to fill Mac address of CSI report frame. */
	enum CHANNEL_WIDTH	sound_bw;	/*  Sounding BandWidth */
	u16 sound_period;
	BEAMFORMING_CAP	beamforming_entry_cap;
	BEAMFORMING_ENTRY_STATE	beamforming_entry_state;
	u8 LogSeq;
	u8 LogRetryCnt;
	u8 LogSuccessCnt;
	u8 LogStatusFailCnt;
	u8 PreCsiReport[327];
	u8 DefaultCsiCnt;
	bool	bDefaultCSI;
};

struct sounding_info {
	u8 		sound_idx;
	enum 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;
};

BEAMFORMING_CAP beamforming_get_entry_beam_cap_by_mac_id(void *pmlmepriv , u8 mac_id);
void beamforming_notify(struct adapter * adapter);
BEAMFORMING_CAP beamforming_get_beamform_cap(struct beamforming_info *pBeamInfo);

u32 beamforming_get_report_frame(struct adapter * Adapter, union recv_frame *precv_frame);

bool	beamforming_send_ht_ndpa_packet(struct adapter * Adapter, u8 *ra, enum CHANNEL_WIDTH bw, u8 qidx);
bool	beamforming_send_vht_ndpa_packet(struct adapter * Adapter, u8 *ra, u16 aid, enum CHANNEL_WIDTH bw, u8 qidx);

void beamforming_check_sounding_success(struct adapter * Adapter, bool status);

void beamforming_watchdog(struct adapter * Adapter);

void beamforming_wk_hdl(struct adapter *padapter, u8 type, u8 *pbuf);
u8 beamforming_wk_cmd(struct adapter *padapter, s32 type, u8 *pbuf, s32 size, u8 enqueue);

#endif