/* BEGIN_ICS_COPYRIGHT5 ****************************************

Copyright (c) 2015-2017, Intel Corporation

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modification, are permitted provided that the following conditions are met:

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      this list of conditions and the following disclaimer.

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 * ** END_ICS_COPYRIGHT5   ****************************************/

/* [ICS VERSION STRING: unknown] */

#ifndef _IBA_STL_PKT_H_

#define _IBA_STL_PKT_H_	(1)

#include "iba/ib_pkt.h"

#if defined (__cplusplus)

extern "C" {

#endif

#include "iba/public/ipackon.h"

/* L2 Codes */

#define STL_L2_8B 0x0

#define STL_L2_10B 0x1

#define STL_L2_16B 0x2

#define STL_L2_9B 0x3

/* 9B LNH (L4) */

#define STL_9B_LNH_BTH 0x2

#define STL_9B_LNH_GRH 0x3

/* L4 Types */

#define STL_L4_TYPE_FM (0x08)

#define STL_L4_TYPE_IB_LOCAL (0x09)

#define STL_L4_TYPE_IB_GLOBAL (0x0A)

#if defined(INCLUDE_STLEEP)

#define STL_L4_TYPE_STLEEP (0x78)

#define STL_L4_TYPE_STLEEP_EP (0x79)

#endif

/*

 * STL packet headers

 */

/*  

 * 8B Header Format 

 */ 

typedef struct _STL_8B_HDR {

	STL_FIELDUNION4(u2, 32,

		B:1,

		L4:4,

		Length:7,

		SLID20:20);

	STL_FIELDUNION6(u1, 32,

		LT:1,

		L2:2,

		F:1,

		RC:3,

		SC:5,

		DLID20:20);

} STL_8B_HDR;

static __inline void BSWAP_STL_8B_HDR( STL_8B_HDR *hdr) {

#if CPU_BE

	hdr->u1.AsReg32 = le32toh(hdr->u1.AsReg32);

	hdr->u2.AsReg32 = le32toh(hdr->u2.AsReg32);

#endif

}

/*  

 * 9B Header Format 

 */ 

typedef struct _STL_9B_HDR {

	STL_FIELDUNION5(u1, 16,

		LT:1,

		L2:2,

		Reserved_60_57:4,

		ServiceChannel:5,

		LinkVersion:4);

	STL_FIELDUNION3(u2, 8,

		ServiceLevel:4,

		Reserved_43_42:2,

		LNH:2);

	STL_LID_16 DLID16;

	STL_FIELDUNION2(u3, 16,

		Reserved_23_20:4,

		Length:12);

	STL_LID_16 SLID16;

} STL_9B_HDR;

static __inline void BSWAP_STL_9B_HDR( STL_9B_HDR *hdr) {

#if CPU_LE

	hdr->u1.AsReg16 = ntoh16(hdr->u1.AsReg16);

	hdr->DLID16 = ntoh16(hdr->DLID16);

	hdr->u3.AsReg16 = ntoh16(hdr->u3.AsReg16);

	hdr->SLID16 = ntoh16(hdr->SLID16);

#endif

}

/*  

 * 10B Header Format 

 */ 

typedef struct _STL_10B_HDR {

	STL_FIELDUNION3(u2, 32,

		B:1,

		Length:11,

		SLID20:20);

	STL_FIELDUNION6(u1, 32,

		LT:1,

		L2:2,

		F:1,

		RC:3,

		SC:5,

		DLID20:20);

	STL_FIELDUNION2(u3, 8,

		Pkey:4,

		L4:4);

	uint8 Entropy;

} STL_10B_HDR;

static __inline void BSWAP_STL_10B_HDR( STL_10B_HDR *hdr) {

#if CPU_BE

	hdr->u1.AsReg32 = le32toh(hdr->u1.AsReg32);

	hdr->u2.AsReg32 = le32toh(hdr->u2.AsReg32);

#endif

}

/*  

 * 16B Header Format

 */ 

typedef struct _STL_16B_HDR {

	STL_FIELDUNION3(u2, 32,

		B:1,

		Length:11,

		SLID_19_0:20);

	STL_FIELDUNION6(u1, 32,

		LT:1,

		L2:2,

		F:1,

		RC:3,

		SC:5,

		DLID_19_0:20);

	uint8 L4;

	STL_FIELDUNION2(u3, 8,

		DLID_23_20:4,

		SLID_23_20:4);

	uint16 Pkey;

	uint16 Entropy;

	uint8 Age;

	uint8 Reserved;

} PACK_SUFFIX STL_16B_HDR;

static __inline void BSWAP_STL_16B_HDR( STL_16B_HDR *hdr) {

#if CPU_BE

	hdr->u1.AsReg32 = le32toh(hdr->u1.AsReg32);

	hdr->u2.AsReg32 = le32toh(hdr->u2.AsReg32);

	hdr->Entropy = le16toh(hdr->Entropy);

	hdr->Pkey = le16toh(hdr->Pkey);

#endif

}

/*

 * Base Transport Header for STL 16B

 */

typedef struct _STL_16B_BTH {

	uint8		OpCode;

	struct _STL_16B_BTH_V {IB_BITFIELD3(uint8,

		SolicitedEvent:	1,

		PadCount:		3,

		HeaderVersion:	4)	/* Transport Header version */

	} v;

	uint16 Reserved;

	STL_FIELDUNION3(Qp, 32,

		Migrate:		1,

		Reserved:		7,

		DestQPNumber:	24);

	STL_FIELDUNION2(Psn, 32,

		AckReq:			1,

		PSN:			31);

} PACK_SUFFIX STL_16B_BTH;

static __inline void BSWAP_STL_16B_BTH(STL_16B_BTH *bth) {

#if CPU_LE

	bth->Qp.AsReg32 = ntoh32(bth->Qp.AsReg32);

	bth->Psn.AsReg32 = ntoh32(bth->Psn.AsReg32);

#endif

}

/*

 * L4 FM Header

 */

typedef struct _STL_FMH {

	STL_FIELDUNION2(DestQP, 32,

		Reserved:     8,

		DestQPNumber: 24);

	STL_FIELDUNION2(SrcQP, 32,

		Reserved:    8,

		SrcQPNumber: 24);

} PACK_SUFFIX STL_FMH;

static __inline void BSWAP_STL_FMH(STL_FMH *fm_hdr) {

#if CPU_LE

	fm_hdr->DestQP.AsReg32 = ntoh32(fm_hdr->DestQP.AsReg32);

	fm_hdr->SrcQP.AsReg32 = ntoh32(fm_hdr->SrcQP.AsReg32);

#endif

}

#include "iba/public/ipackoff.h"

#if defined (__cplusplus)

};

#endif

#endif /* _IBA_STL_PKT_H_ */