/*
 * Copyright (c) 2012-2013, 2015-2016 The Linux Foundation. All rights reserved.
 *
 * Previously licensed under the ISC license by Qualcomm Atheros, Inc.
 *
 *
 * 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.
 */

/*
 * This file was originally distributed by Qualcomm Atheros, Inc.
 * under proprietary terms before Copyright ownership was assigned
 * to the Linux Foundation.
 */

#ifndef REMOVE_PKT_LOG
#ifndef _PKTLOG_FMT_H_
#define _PKTLOG_FMT_H_

#define CUR_PKTLOG_VER          10010  /* Packet log version */
#define PKTLOG_MAGIC_NUM        7735225

#ifndef MAX_TX_RATE_TBL
#define MAX_TX_RATE_TBL 72
#endif

#ifdef __linux__
#ifdef MULTI_IF_NAME
#define PKTLOG_PROC_DIR "ath_pktlog" MULTI_IF_NAME
#define WLANDEV_BASENAME "cld" MULTI_IF_NAME
#else
#define PKTLOG_PROC_DIR "ath_pktlog"
#define WLANDEV_BASENAME "cld"
#endif
#define PKTLOG_PROC_SYSTEM "system"
#endif

#ifdef WIN32
#pragma pack(push, pktlog_fmt, 1)
#define __ATTRIB_PACK
#elif defined(__EFI__)
#define __ATTRIB_PACK
#else
#ifndef __ATTRIB_PACK
#define __ATTRIB_PACK __attribute__ ((packed))
#endif
#endif
#include <a_types.h>
/*
 * Each packet log entry consists of the following fixed length header
 * followed by variable length log information determined by log_type
 */

struct ath_pktlog_hdr {
    u_int16_t flags;
    u_int16_t missed_cnt;
    u_int16_t log_type;
    u_int16_t size;
    u_int32_t timestamp;
}__ATTRIB_PACK;


/**
 * enum pkt_type - packet type
 * @START_MONITOR: indicates parser to start packetdump parsing
 * @STOP_MONITOR: indicates parser to stop packetdump parsing
 * @TX_MGMT_PKT: TX management Packet
 * @TX_DATA_PKT: TX data Packet
 * @RX_MGMT_PKT: RX management Packet
 * @RX_DATA_PKT: RX data Packet
 *
 * This enum has packet types
 */
enum pkt_type {
	START_MONITOR = 1,
	STOP_MONITOR,
	TX_MGMT_PKT,
	TX_DATA_PKT,
	RX_MGMT_PKT,
	RX_DATA_PKT,
};

#define ATH_PKTLOG_HDR_FLAGS_MASK 0xffff
#define ATH_PKTLOG_HDR_FLAGS_SHIFT 0
#define ATH_PKTLOG_HDR_FLAGS_OFFSET 0
#define ATH_PKTLOG_HDR_MISSED_CNT_MASK 0xffff0000
#define ATH_PKTLOG_HDR_MISSED_CNT_SHIFT 16
#define ATH_PKTLOG_HDR_MISSED_CNT_OFFSET 0
#define ATH_PKTLOG_HDR_LOG_TYPE_MASK 0xffff
#define ATH_PKTLOG_HDR_LOG_TYPE_SHIFT 0
#define ATH_PKTLOG_HDR_LOG_TYPE_OFFSET 1
#define ATH_PKTLOG_HDR_SIZE_MASK 0xffff0000
#define ATH_PKTLOG_HDR_SIZE_SHIFT 16
#define ATH_PKTLOG_HDR_SIZE_OFFSET 1
#define ATH_PKTLOG_HDR_TIMESTAMP_OFFSET 2

enum {
    PKTLOG_FLG_FRM_TYPE_LOCAL_S = 0,
    PKTLOG_FLG_FRM_TYPE_REMOTE_S,
    PKTLOG_FLG_FRM_TYPE_UNKNOWN_S
};

/****************************
 * Pktlog flag field details
 * packet origin [1:0]
 * 00 - Local
 * 01 - Remote
 * 10 - Unknown/Not applicable
 * 11 - Reserved
 * reserved [15:2]
 * *************************/

#define PHFLAGS_PROTO_MASK      0x0000f000
#define PHFLAGS_PROTO_SFT       12
#define PHFLAGS_MACVERSION_MASK 0x0fff0000
#define PHFLAGS_MACVERSION_SFT  16
/*
 * XXX: This need not be part of packetlog header flags - Should be
 * moved to plinfo
 */

#define PHFLAGS_INTERRUPT_CONTEXT 0x80000000

/* flags in pktlog header */
#define PHFLAGS_MISCCNT_MASK 0x000F /* Indicates no. of misc log parameters
                                       (32-bit integers) at the end of a
                                       log entry */

#define PHFLAGS_MACREV_MASK 0xff0  /* MAC revision */
#define PHFLAGS_MACREV_SFT  4

/* Types of protocol logging flags */
//#define PHFLAGS_PROTO_MASK  0xf000
//#define PHFLAGS_PROTO_SFT   12
#define PKTLOG_PROTO_NONE   0
#define PKTLOG_PROTO_UDP    1
#define PKTLOG_PROTO_TCP    2

/* Masks for setting pktlog events filters */
#define ATH_PKTLOG_TX       0x000000001
#define ATH_PKTLOG_RX       0x000000002
#define ATH_PKTLOG_RCFIND   0x000000004
#define ATH_PKTLOG_RCUPDATE 0x000000008
#define ATH_PKTLOG_ANI      0x000000010
#define ATH_PKTLOG_TEXT     0x000000020
#define ATH_PKTLOG_PHYERR   0x000000040
#define ATH_PKTLOG_PROMISC  0x000000080

/* Masks for setting pktlog info filters */
#define ATH_PKTLOG_PROTO            0x00000001  /* Decode and log protocol headers */
#define ATH_PKTLOG_TRIGGER_SACK     0x00000002  /* Triggered stop as seeing TCP SACK packets */
#define ATH_PKTLOG_TRIGGER_THRUPUT  0x00000004  /* Triggered stop as throughput drops below a threshold */
#define ATH_PKTLOG_TRIGGER_PER      0x00000008  /* Triggered stop as PER goes above a threshold */
#define ATH_PKTLOG_TRIGGER_PHYERR   0x00000010  /* Triggered stop as # of phyerrs goes above a threshold */

/* Types of packet log events */
#define PKTLOG_TYPE_TX_CTRL     1
#define PKTLOG_TYPE_TX_STAT     2
#define PKTLOG_TYPE_TX_MSDU_ID  3
#define PKTLOG_TYPE_TX_FRM_HDR  4
#define PKTLOG_TYPE_RX_STAT     5
#define PKTLOG_TYPE_RC_FIND     6
#define PKTLOG_TYPE_RC_UPDATE   7
#define PKTLOG_TYPE_TX_VIRT_ADDR 8
#define PKTLOG_TYPE_PKT_DUMP    10
#define PKTLOG_TYPE_MAX         11

/*#define PKTLOG_TYPE_TXCTL    0
#define PKTLOG_TYPE_TXSTATUS 1
#define PKTLOG_TYPE_RX       2
#define PKTLOG_TYPE_RCFIND   3
#define PKTLOG_TYPE_RCUPDATE 4
#define PKTLOG_TYPE_ANI      5
#define PKTLOG_TYPE_TEXT     6*/

#define PKTLOG_MAX_TXCTL_WORDS 57 /* +2 words for bitmap */
#define PKTLOG_MAX_TXSTATUS_WORDS 32
#define PKTLOG_MAX_PROTO_WORDS  16
#define PKTLOG_MAX_RXDESC_WORDS 62

struct txctl_frm_hdr {
    u_int16_t framectrl;       /* frame control field from header */
    u_int16_t seqctrl;         /* frame control field from header */
    u_int16_t bssid_tail;      /* last two octets of bssid */
    u_int16_t sa_tail;         /* last two octets of SA */
    u_int16_t da_tail;         /* last two octets of DA */
    u_int16_t resvd;
};

/* Peregrine 11ac based */
#define MAX_PKT_INFO_MSDU_ID 192
/*
 * msdu_id_info_t is defined for reference only
 */
typedef struct {
    A_UINT32 num_msdu;
    A_UINT8 bound_bmap[MAX_PKT_INFO_MSDU_ID>>3];
    /* TODO:
     *  Convert the id's to uint32_t
     *  Reduces computation in the driver code
     */
    A_UINT16 id[MAX_PKT_INFO_MSDU_ID];
}__ATTRIB_PACK msdu_id_info_t;
#define MSDU_ID_INFO_NUM_MSDU_OFFSET 0 /* char offset */
#define MSDU_ID_INFO_BOUND_BM_OFFSET 4
#define MSDU_ID_INFO_ID_OFFSET  \
    ((MAX_PKT_INFO_MSDU_ID >> 3) + 4)

struct ath_pktlog_txctl {
    struct ath_pktlog_hdr pl_hdr;
        //struct txctl_frm_hdr frm_hdr;
    void *txdesc_hdr_ctl;   /* frm_hdr + Tx descriptor words */
    struct {
        struct txctl_frm_hdr frm_hdr;
        u_int32_t txdesc_ctl[PKTLOG_MAX_TXCTL_WORDS];
        //u_int32_t *proto_hdr;   /* protocol header (variable length!) */
        //u_int32_t *misc; /* Can be used for HT specific or other misc info */
    } priv;
} __ATTRIB_PACK;

struct ath_pktlog_tx_status {
    struct ath_pktlog_hdr pl_hdr;
    void *ds_status;
    int32_t misc[0];        /* Can be used for HT specific or other misc info */
}__ATTRIB_PACK;

struct ath_pktlog_msdu_info {
    struct ath_pktlog_hdr pl_hdr;
    void *ath_msdu_info;
    A_UINT32 num_msdu;
    struct {
        /*
         * Provision to add more information fields
         */
        struct msdu_info_t {
            A_UINT32 num_msdu;
            A_UINT8 bound_bmap[MAX_PKT_INFO_MSDU_ID>>3];
        } msdu_id_info;
        /*
         * array of num_msdu
         * Static implementation will consume unwanted memory
         * Need to split the pktlog_get_buf to get the buffer pointer only
         */
        uint16_t msdu_len[MAX_PKT_INFO_MSDU_ID];
    } priv;
    size_t priv_size;

}__ATTRIB_PACK;

struct ath_pktlog_rx_info {
    struct ath_pktlog_hdr pl_hdr;
    void *rx_desc;
}__ATTRIB_PACK;

struct ath_pktlog_rc_find {
    struct ath_pktlog_hdr pl_hdr;
    void *rcFind;
}__ATTRIB_PACK;

struct ath_pktlog_rc_update {
    struct ath_pktlog_hdr pl_hdr;
    void *txRateCtrl;/* rate control state proper */
}__ATTRIB_PACK;

#define PKTLOG_MAX_RXSTATUS_WORDS 11

struct ath_pktlog_ani {
    u_int8_t phyStatsDisable;
    u_int8_t noiseImmunLvl;
    u_int8_t spurImmunLvl;
    u_int8_t ofdmWeakDet;
    u_int8_t cckWeakThr;
    int8_t rssi;
    u_int16_t firLvl;
    u_int16_t listenTime;
    u_int16_t resvd;
    u_int32_t cycleCount;
    u_int32_t ofdmPhyErrCount;
    u_int32_t cckPhyErrCount;
    int32_t misc[0];         /* Can be used for HT specific or other misc info */
} __ATTRIB_PACK;


struct ath_pktlog_rcfind {
    u_int8_t rate;
    u_int8_t rateCode;
    int8_t rcRssiLast;
    int8_t rcRssiLastPrev;
    int8_t rcRssiLastPrev2;
    int8_t rssiReduce;
    u_int8_t rcProbeRate;
    int8_t isProbing;
    int8_t primeInUse;
    int8_t currentPrimeState;
    u_int8_t rcRateTableSize;
    u_int8_t rcRateMax;
    u_int8_t ac;
    int32_t misc[0];         /* Can be used for HT specific or other misc info */
} __ATTRIB_PACK;


struct ath_pktlog_rcupdate {
    u_int8_t txRate;
    u_int8_t rateCode;
    int8_t rssiAck;
    u_int8_t Xretries;
    u_int8_t retries;
    int8_t rcRssiLast;
    int8_t rcRssiLastLkup;
    int8_t rcRssiLastPrev;
    int8_t rcRssiLastPrev2;
    u_int8_t rcProbeRate;
    u_int8_t rcRateMax;
    int8_t useTurboPrime;
    int8_t currentBoostState;
    u_int8_t rcHwMaxRetryRate;
    u_int8_t ac;
    u_int8_t resvd[2];
    int8_t rcRssiThres[MAX_TX_RATE_TBL];
    u_int8_t rcPer[MAX_TX_RATE_TBL];
    u_int8_t rcMaxAggrSize[MAX_TX_RATE_TBL];
    u_int8_t headFail; /* rate control and aggregation variables ( part of ATH_SUPPORT_VOWEXT ) */
    u_int8_t tailFail; /* rate control and aggregation variables ( part of ATH_SUPPORT_VOWEXT ) */
    u_int8_t aggrSize; /* rate control and aggregation variables ( part of ATH_SUPPORT_VOWEXT ) */
    u_int8_t aggrLimit;/* rate control and aggregation variables ( part of ATH_SUPPORT_VOWEXT ) */
    u_int8_t lastRate; /* rate control and aggregation variables ( part of ATH_SUPPORT_VOWEXT ) */
    int32_t misc[0];         /* Can be used for HT specific or other misc info */
    /* TBD: Add any new parameters required */
} __ATTRIB_PACK;

#ifdef WIN32
#pragma pack(pop, pktlog_fmt)
#endif
#ifdef __ATTRIB_PACK
#undef __ATTRIB_PACK
#endif   /* __ATTRIB_PACK */

/*
 * The following header is included in the beginning of the file,
 * followed by log entries when the log buffer is read through procfs
 */

struct ath_pktlog_bufhdr {
    u_int32_t magic_num;  /* Used by post processing scripts */
    u_int32_t version;    /* Set to CUR_PKTLOG_VER */
};

struct ath_pktlog_buf {
    struct ath_pktlog_bufhdr bufhdr;
    int32_t rd_offset;
    volatile int32_t wr_offset;
    /* Whenever this bytes written value croses 4K bytes,
     * logging will be triggered
     */
    int32_t bytes_written;
    /* Index of the messages sent to userspace */
    uint32_t msg_index;
    /* Offset for read */
    loff_t offset;
    char log_data[0];
};

#define PKTLOG_MOV_RD_IDX(_rd_offset, _log_buf, _log_size)  \
    do { \
        if((_rd_offset + sizeof(struct ath_pktlog_hdr) + \
            ((struct ath_pktlog_hdr *)((_log_buf)->log_data + \
            (_rd_offset)))->size) <= _log_size) { \
            _rd_offset = ((_rd_offset) + sizeof(struct ath_pktlog_hdr) + \
                            ((struct ath_pktlog_hdr *)((_log_buf)->log_data + \
                            (_rd_offset)))->size); \
        } else { \
            _rd_offset = ((struct ath_pktlog_hdr *)((_log_buf)->log_data +  \
                                           (_rd_offset)))->size;  \
        } \
        (_rd_offset) = (((_log_size) - (_rd_offset)) >= \
                         sizeof(struct ath_pktlog_hdr)) ? _rd_offset:0;\
    } while(0)


/**
 * enum tx_pkt_fate - tx packet fate
 * @TX_PKT_FATE_ACKED: Sent over air and ACKed
 * @TX_PKT_FATE_SENT: Sent over air but not ACKed.
 * @TX_PKT_FATE_FW_QUEUED: Queued within firmware,
 * but not yet sent over air
 * @TX_PKT_FATE_FW_DROP_INVALID: Dropped by firmware as invalid.
 * E.g. bad source address, bad checksum, or invalid for current state.
 * @TX_PKT_FATE_FW_DROP_NOBUFS: Dropped by firmware due
 * to lack of buffer space
 * @TX_PKT_FATE_FW_DROP_OTHER: Dropped by firmware for any other
 * reason. Includes frames that were sent by driver to firmware, but
 * unaccounted for by firmware.
 * @TX_PKT_FATE_DRV_QUEUED: Queued within driver, not yet sent to firmware.
 * @TX_PKT_FATE_DRV_DROP_INVALID: Dropped by driver as invalid.
 * E.g. bad source address, or invalid for current state.
 * @TX_PKT_FATE_DRV_DROP_NOBUFS: Dropped by driver due to lack of buffer space
 * @TX_PKT_FATE_DRV_DROP_OTHER: Dropped by driver for any other reason.
 * E.g. out of buffers.
 *
 * This enum has packet fate types
 */

enum tx_pkt_fate {
	TX_PKT_FATE_ACKED,
	TX_PKT_FATE_SENT,
	TX_PKT_FATE_FW_QUEUED,
	TX_PKT_FATE_FW_DROP_INVALID,
	TX_PKT_FATE_FW_DROP_NOBUFS,
	TX_PKT_FATE_FW_DROP_OTHER,
	TX_PKT_FATE_DRV_QUEUED,
	TX_PKT_FATE_DRV_DROP_INVALID,
	TX_PKT_FATE_DRV_DROP_NOBUFS,
	TX_PKT_FATE_DRV_DROP_OTHER,
};

/**
 * enum rx_pkt_fate - tx packet fate
 * @RX_PKT_FATE_SUCCESS: Valid and delivered to
 * network stack (e.g., netif_rx()).
 * @RX_PKT_FATE_FW_QUEUED: Queued within firmware,
 * but not yet sent to driver.
 * @RX_PKT_FATE_FW_DROP_FILTER: Dropped by firmware
 * due to host-programmable filters.
 * @RX_PKT_FATE_FW_DROP_INVALID: Dropped by firmware
 * as invalid. E.g. bad checksum, decrypt failed, or invalid for current state.
 * @RX_PKT_FATE_FW_DROP_NOBUFS: Dropped by firmware
 * due to lack of buffer space.
 * @RX_PKT_FATE_FW_DROP_OTHER: Dropped by firmware
 * for any other reason.
 * @RX_PKT_FATE_DRV_QUEUED: Queued within driver,
 * not yet delivered to network stack.
 * @RX_PKT_FATE_DRV_DROP_FILTER: Dropped by drive
 * r due to filter rules.
 * @RX_PKT_FATE_DRV_DROP_INVALID: Dropped by driver as invalid.
 * E.g. not permitted in current state.
 * @RX_PKT_FATE_DRV_DROP_NOBUFS: Dropped by driver
 * due to lack of buffer space.
 * @RX_PKT_FATE_DRV_DROP_OTHER: Dropped by driver for any other reason.
 *
 * This enum has packet fate types
 */

enum rx_pkt_fate {
	RX_PKT_FATE_SUCCESS,
	RX_PKT_FATE_FW_QUEUED,
	RX_PKT_FATE_FW_DROP_FILTER,
	RX_PKT_FATE_FW_DROP_INVALID,
	RX_PKT_FATE_FW_DROP_NOBUFS,
	RX_PKT_FATE_FW_DROP_OTHER,
	RX_PKT_FATE_DRV_QUEUED,
	RX_PKT_FATE_DRV_DROP_FILTER,
	RX_PKT_FATE_DRV_DROP_INVALID,
	RX_PKT_FATE_DRV_DROP_NOBUFS,
	RX_PKT_FATE_DRV_DROP_OTHER,
};

#endif  /* _PKTLOG_FMT_H_ */
#endif /* REMOVE_PKT_LOG */