/*
 * Copyright (c) 2017-2019 The Linux Foundation. All rights reserved.
 *
 * Permission to use, copy, modify, and/or distribute this software for
 * any purpose with or without fee is hereby granted, provided that the
 * above copyright notice and this permission notice appear in all
 * copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
 * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
 * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
 * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 * PERFORMANCE OF THIS SOFTWARE.
 */

 /**
 * @file cdp_txrx_mon_struct.h
 * @brief Define the monitor mode API structure
 * shared by data path and the OS interface module
 */

#ifndef _CDP_TXRX_MON_STRUCT_H_
#define _CDP_TXRX_MON_STRUCT_H_
/* XXX not really a mode; there are really multiple PHY's */
enum cdp_mon_phymode {
	/* autoselect */
	CDP_IEEE80211_MODE_AUTO	= 0,
	/* 5GHz, OFDM */
	CDP_IEEE80211_MODE_11A	= 1,
	/* 2GHz, CCK */
	CDP_IEEE80211_MODE_11B	= 2,
	/* 2GHz, OFDM */
	CDP_IEEE80211_MODE_11G	= 3,
	/* 2GHz, GFSK */
	CDP_IEEE80211_MODE_FH	= 4,
	/* 5GHz, OFDM, 2x clock dynamic turbo */
	CDP_IEEE80211_MODE_TURBO_A	= 5,
	   /* 2GHz, OFDM, 2x clock dynamic turbo */
	CDP_IEEE80211_MODE_TURBO_G	= 6,
	/* 5Ghz, HT20 */
	CDP_IEEE80211_MODE_11NA_HT20	= 7,
	/* 2Ghz, HT20 */
	CDP_IEEE80211_MODE_11NG_HT20	= 8,
	/* 5Ghz, HT40 (ext ch +1) */
	CDP_IEEE80211_MODE_11NA_HT40PLUS	= 9,
	/* 5Ghz, HT40 (ext ch -1) */
	CDP_IEEE80211_MODE_11NA_HT40MINUS = 10,
	  /* 2Ghz, HT40 (ext ch +1) */
	CDP_IEEE80211_MODE_11NG_HT40PLUS = 11,
	/* 2Ghz, HT40 (ext ch -1) */
	CDP_IEEE80211_MODE_11NG_HT40MINUS = 12,
	/* 2Ghz, Auto HT40 */
	CDP_IEEE80211_MODE_11NG_HT40	= 13,
	/* 5Ghz, Auto HT40 */
	CDP_IEEE80211_MODE_11NA_HT40	= 14,
	/* 5Ghz, VHT20 */
	CDP_IEEE80211_MODE_11AC_VHT20	= 15,
	/* 5Ghz, VHT40 (Ext ch +1) */
	CDP_IEEE80211_MODE_11AC_VHT40PLUS   = 16,
	/* 5Ghz  VHT40 (Ext ch -1) */
	CDP_IEEE80211_MODE_11AC_VHT40MINUS  = 17,
	/* 5Ghz, VHT40 */
	CDP_IEEE80211_MODE_11AC_VHT40	= 18,
	/* 5Ghz, VHT80 */
	CDP_IEEE80211_MODE_11AC_VHT80	= 19,
	/* 5Ghz, VHT160 */
	CDP_IEEE80211_MODE_11AC_VHT160	= 20,
	/* 5Ghz, VHT80_80 */
	CDP_IEEE80211_MODE_11AC_VHT80_80	= 21,
};

enum {
	CDP_PKT_TYPE_OFDM = 0,
	CDP_PKT_TYPE_CCK,
	CDP_PKT_TYPE_HT,
	CDP_PKT_TYPE_VHT,
	CDP_PKT_TYPE_HE,
};

enum {
	CDP_SGI_0_8_US = 0,
	CDP_SGI_0_4_US,
	CDP_SGI_1_6_US,
	CDP_SGI_3_2_US,
};

enum {
	CDP_RX_TYPE_SU = 0,
	CDP_RX_TYPE_MU_MIMO,
	CDP_RX_TYPE_MU_OFDMA,
	CDP_RX_TYPE_MU_OFDMA_MIMO,
};

enum {
	CDP_FULL_RX_BW_20 = 0,
	CDP_FULL_RX_BW_40,
	CDP_FULL_RX_BW_80,
	CDP_FULL_RX_BW_160,
};

struct cdp_mon_status {
	int rs_numchains;
	int rs_flags;
#define IEEE80211_RX_FCS_ERROR      0x01
#define IEEE80211_RX_MIC_ERROR      0x02
#define IEEE80211_RX_DECRYPT_ERROR  0x04
/* holes in flags here between, ATH_RX_XXXX to IEEE80211_RX_XXX */
#define IEEE80211_RX_KEYMISS        0x200
	int rs_rssi;       /* RSSI (noise floor ajusted) */
	int rs_abs_rssi;   /* absolute RSSI */
	int rs_datarate;   /* data rate received */
	int rs_rateieee;
	int rs_ratephy1;
	int rs_ratephy2;
	int rs_ratephy3;

/* Keep the same as ATH_MAX_ANTENNA */
#define IEEE80211_MAX_ANTENNA       3
	/* RSSI (noise floor ajusted) */
	u_int8_t    rs_rssictl[IEEE80211_MAX_ANTENNA];
	/* RSSI (noise floor ajusted) */
	u_int8_t    rs_rssiextn[IEEE80211_MAX_ANTENNA];
	/* rs_rssi is valid or not */
	u_int8_t    rs_isvalidrssi;

	enum cdp_mon_phymode rs_phymode;
	int         rs_freq;

	union {
		u_int8_t            data[8];
		u_int64_t           tsf;
	} rs_tstamp;

	/*
	 * Detail channel structure of recv frame.
	 * It could be NULL if not available
	 */


#ifdef ATH_SUPPORT_AOW
	u_int16_t   rs_rxseq;      /* WLAN Sequence number */
#endif
#ifdef ATH_VOW_EXT_STATS
	/* Lower 16 bits holds the udp checksum offset in the data pkt */
	u_int32_t vow_extstats_offset;
	/* Higher 16 bits contains offset in the data pkt at which vow
	 * ext stats are embedded
	 */
#endif
	u_int8_t rs_isaggr;
	u_int8_t rs_isapsd;
	int16_t rs_noisefloor;
	u_int16_t  rs_channel;
#ifdef ATH_SUPPORT_TxBF
	u_int32_t   rs_rpttstamp;   /* txbf report time stamp*/
#endif

	/* The following counts are meant to assist in stats calculation.
	 * These variables are incremented only in specific situations, and
	 * should not be relied upon for any purpose other than the original
	 * stats related purpose they have been introduced for.
	*/

	u_int16_t   rs_cryptodecapcount; /* Crypto bytes decapped/demic'ed. */
	u_int8_t    rs_padspace;         /* No. of padding bytes present after
					  header in wbuf. */
	u_int8_t    rs_qosdecapcount;    /* QoS/HTC bytes decapped. */

	/* End of stats calculation related counts. */

	/*
	 * uint8_t     rs_lsig[IEEE80211_LSIG_LEN];
	 * uint8_t     rs_htsig[IEEE80211_HTSIG_LEN];
	 * uint8_t     rs_servicebytes[IEEE80211_SB_LEN];
	 * uint8_t     rs_fcs_error;
	*/

	/* cdp convergence monitor mode status */
	union {
		u_int8_t            cdp_data[8];
		u_int64_t           cdp_tsf;
	} cdp_rs_tstamp;

	uint8_t  cdp_rs_pream_type;
	uint32_t cdp_rs_user_rssi;
	uint8_t  cdp_rs_stbc;
	uint8_t  cdp_rs_sgi;
	uint32_t cdf_rs_rate_mcs;
	uint32_t cdp_rs_reception_type;
	uint32_t cdp_rs_bw;
	uint32_t cdp_rs_nss;
	uint8_t  cdp_rs_fcs_err;

};

enum {
	CDP_MON_PPDU_START = 0,
	CDP_MON_PPDU_END,
};

#define MAX_PPDU_ID_HIST 128

/**
 * struct cdp_pdev_mon_stats
 * @status_ppdu_state: state on PPDU start and end
 * @status_ppdu_start: status ring PPDU start TLV count
 * @status_ppdu_end: status ring PPDU end TLV count
 * @status_ppdu_compl: status ring matching start and end count on PPDU
 * @status_ppdu_start_mis: status ring missing start TLV count on PPDU
 * @status_ppdu_end_mis: status ring missing end TLV count on PPDU
 * @status_ppdu_done: status ring PPDU done TLV count
 * @dest_ppdu_done: destination ring PPDU count
 * @dest_mpdu_done: destination ring MPDU count
 * @dup_mon_linkdesc_cnt: duplicate link descriptor indications from HW
 * @dup_mon_buf_cnt: duplicate buffer indications from HW
 * @tlv_tag_status_err: status not correct in the tlv tag
 */
struct cdp_pdev_mon_stats {
#ifndef REMOVE_MON_DBG_STATS
	uint32_t status_ppdu_state;
	uint32_t status_ppdu_start;
	uint32_t status_ppdu_end;
	uint32_t status_ppdu_compl;
	uint32_t status_ppdu_start_mis;
	uint32_t status_ppdu_end_mis;
#endif
	uint32_t status_ppdu_done;
	uint32_t dest_ppdu_done;
	uint32_t dest_mpdu_done;
	uint32_t dest_mpdu_drop;
	uint32_t dup_mon_linkdesc_cnt;
	uint32_t dup_mon_buf_cnt;
	uint32_t stat_ring_ppdu_id_hist[MAX_PPDU_ID_HIST];
	uint32_t dest_ring_ppdu_id_hist[MAX_PPDU_ID_HIST];
	uint32_t ppdu_id_hist_idx;
	uint32_t mon_rx_dest_stuck;
	uint32_t tlv_tag_status_err;
};
#endif