/* BEGIN_ICS_COPYRIGHT2 ****************************************

Copyright (c) 2015-2018, Intel Corporation

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** END_ICS_COPYRIGHT2   ****************************************/

/* [ICS VERSION STRING: unknown] */
#ifndef	_PA_L_H_
#define	_PA_L_H_

#include "ib_const.h"
#include "stl_types.h"
#include "cs_g.h"
#include "cs_hashtable.h"


#define PA_SRV_MAX_RECORD_SZ	512

typedef struct pa_cntxt {
	uint64_t	tstamp ;
	uint64_t	tid ;		// Tid for hash table search
	STL_LID 	lid ;		// Lid for hash table search
    uint16_t    method;     // initial method requested by initiator
    IBhandle_t	sendFd;     // mai handle to use for sending packets (fd_sa for 1st seg and fd_pa_w threafter)
	uint8_t		hashed ;	// Entry is inserted into the hash table
	uint32_t	ref ;		// Reference count for the structure
    uint32_t    reqDataLen; // length of the getMulti request MAD
	char*		reqData ;	// Data pointer for input getMulti MAD
	char*		data ;		// Data pointer for MAD rmpp response
	uint32_t	len ;		// Length of the MAD response
    uint16_t    attribLen;  // num 8-byte words from start of one attrib to start of next
	Mai_t		mad ;
    /* 1.1 related fields */
    uint32_t    WF;         // Window First: segNum that is first packet in current window
    uint32_t    WL;         // Window Last: segNum that is last packet in current window
    uint32_t    NS;         // Next segNum to be tranmitted by Sender
    uint32_t    ES;         // segNum expected next (Receiver side)
    uint16_t    isDS;       // Double sided getMulti in effect
    uint16_t    reqInProg;  // receipt of request in progress
    uint64_t    RespTimeout;// current response timeout value (13.6.3.1)
    uint64_t    tTime;      // total transaction timeout value (13.6.3.2)
	uint16_t	retries;    // retry count
	uint16_t	last_ack;   // last segment number acked
    uint16_t    segTotal;   // total segments in response
	struct pa_cntxt *next ;	// Link List next pointer
	struct pa_cntxt *prev ;	// Link List prev pointer
    uint8_t     chkSum;     // checksum of rmpp response 
	//SACacheEntry_t *cache;  // pointer to cache structure if applicable
	Status_t (*freeDataFunc)(struct pa_cntxt *); // func to call to free data. may
	                        // either free locally allocated data, or defer to
	                        // the cache mechanism to decref the cache
	//Status_t (*processFunc)(Mai_t *, struct pa_cntxt *); // function to call
	                        // to process the incoming packet.
} pa_cntxt_t ;

typedef enum {
	ContextAllocated = 1,       // new context allocated
	ContextNotAvailable = 2,    // out of context
	ContextExist = 3,           // general duplicate request
    ContextExistGetMulti = 4    // existing getMult request
} PAContextGet_t;

extern uint32_t pa_max_cntxt;
extern uint32_t pa_data_length;

extern void pa_delete_filters(void);
extern Status_t pa_process_mad(Mai_t *maip, pa_cntxt_t* sa_cntxt);
extern pa_cntxt_t * pa_mngr_get_cmd(Mai_t * mad, uint8_t * processMad);
extern Status_t pa_mngr_open_cnx(void);
extern void pa_mngr_close_cnx(void);
extern void pa_main_kill(void);

#endif	// _PA_L_H_