/* BEGIN_ICS_COPYRIGHT3 ****************************************

Copyright (c) 2015-2020, Intel Corporation

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

    * Redistributions of source code must retain the above copyright notice,
      this list of conditions and the following disclaimer.
    * Redistributions in binary form must reproduce the above copyright
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      may be used to endorse or promote products derived from this software
      without specific prior written permission.

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** END_ICS_COPYRIGHT3   ****************************************/

/* [ICS VERSION STRING: unknown] */

#ifndef _IBA_IB_HELPER_H_
#define _IBA_IB_HELPER_H_

#include "iba/stl_types.h"
#include "iba/stl_sm_types.h"

#include "iba/ib_mad.h"
#include "iba/public/imath.h"

#ifdef __cplusplus
extern "C" {
#endif

/* these helper functions are macros available only within ib_helper.h
 *  to protect them from misuse; they are undefined outside of ib_helper.h
 */

/* convert mbps (10^6 bits/sec) to MBps (2^20 bytes/sec)
 *  speeds through QDR use 8b10b wire encoding ( * 1 / 10 )
 */
#define IbmbpsToMBps(mbps) {\
	((uint32)((((uint64)mbps / 10LL) * 1000000LL) / ( 1LL << 20))); \
}

/* convert mbps (10^6 bits/sec) to MBps (2^20 bytes/sec) for extended speeds
 *  extended speeds use 64b66b wire encoding ( * 8 / 66 )
 */
#define IbmbpsToMBpsExt(mbps) {\
	((uint32)(((uint64)mbps * 8LL * 1000000LL) / (66LL * (1LL << 20)))); \
}

/* these helper functions are simple, so they are done as inlines
 * largely to avoid the need to export all these symbols from a
 * kernel module or a library
 */

/*
 * Convert a IB_PORT_STATE to a constant string
 */
static __inline const char*
IbPortStateToText( IN IB_PORT_STATE state )
{
	switch (state)
	{
		case IB_PORT_NOP:
			return "Noop";
		case IB_PORT_DOWN:
			return "Down";
		case IB_PORT_INIT: 
			return "Init";
		case IB_PORT_ARMED: 
			return "Armed";
		case IB_PORT_ACTIVE: 
			return "Active";
		default:
			return "????";
	}
}
/*
 * Convert a ETH_PORT_STATE to a constant string
 */
static __inline const char*
EthPortStateToText( IN ETH_PORT_STATE state )
{
	switch (state)
	{
		case ETH_PORT_UP:
			return "Up";
		case ETH_PORT_DOWN:
			return "Down";
		case ETH_PORT_TESTING: 
			return "Testing";
		case ETH_PORT_UNKNOWN: 
			return "Unknown";
		case ETH_PORT_DORMANT: 
			return "Dormant";
		case ETH_PORT_NOT_PRESENT:
			return "NotPresent";
		case ETH_PORT_LOWER_LAYER_DOWN:
			return "LowerLayerDown";
		default:
			return "????";
	}
}


/*
 * Convert a IB_PORT_PHYS_STATE to a constant string
 */
static __inline const char*
IbPortPhysStateToText( IN IB_PORT_PHYS_STATE state )
{
	switch (state)
	{
		case IB_PORT_PHYS_NOP:
			return "Noop";
		case IB_PORT_PHYS_SLEEP:
			return "Sleep";
		case IB_PORT_PHYS_POLLING:
			return "Polling";
		case IB_PORT_PHYS_DISABLED:
			return "Disabled";
		case IB_PORT_PHYS_TRAINING:
			return "Training";
		case IB_PORT_PHYS_LINKUP:
			return "LinkUp";
		case IB_PORT_PHYS_LINK_ERROR_RECOVERY:
			return "Recovery";
		default:
			return "????";
	}
}

/*
 * Convert a IB_PORT_PHYS_STATE for DownDefault to a constant string
 */
static __inline const char*
IbPortDownDefaultToText( IN IB_PORT_PHYS_STATE state )
{
	switch (state)
	{
		case IB_PORT_PHYS_NOP:
			return "Noop";
		case IB_PORT_PHYS_SLEEP:
			return "Sleep";
		case IB_PORT_PHYS_POLLING:
			return "Polling";
		default:
			return "????";
	}
}

/*
 * Convert IB_MTU enumeration to a byte count
 */
static __inline uint16
GetBytesFromMtu(uint8 mtu)
{
	switch (mtu)
	{
		default:
			return 0;
		case IB_MTU_256:
			return 256;
		case IB_MTU_512:
			return 512;
		case IB_MTU_1024:
			return 1024;
		case IB_MTU_2048:
			return 2048;
		case IB_MTU_4096:
			return 4096;
		case STL_MTU_8192:
			return 8192;
		case STL_MTU_10240:
			return 10240;
	}
}
/* Convert byte count to nearest IB_MTU enumeration (rounds up)
 * (eg. returns IB MTU required to support packet sizes of "bytes")
 */
static __inline uint8
GetMtuFromBytes(uint16 bytes)
{
	if (bytes <= 256)
		return IB_MTU_256;
	else if (bytes <= 512)
		return IB_MTU_512;
	else if (bytes <= 1024)
		return IB_MTU_1024;
	else if (bytes <= 2048)
		return IB_MTU_2048;
	else if (bytes <= 4096)
		return IB_MTU_4096;
	else if (bytes <= 8192)
		return STL_MTU_8192;
	else if (bytes <= 10240)
		return STL_MTU_10240;
	else 
		return IB_MTU_4096;
}

/* Convert IB_MTU enumeration to text */
static __inline const char*
IbMTUToText(IB_MTU mtu)
{
	switch ((int)mtu)
	{
		case STL_MTU_0:
		default:
			return "0";
		case IB_MTU_256:
			return "256";
		case IB_MTU_512:
			return "512";
		case IB_MTU_1024:
			return "1024";
		case IB_MTU_2048:
			return "2048";
		case IB_MTU_4096:
			return "4096";
        case STL_MTU_8192:
            return "8192";
        case STL_MTU_10240:
	        return "10240";
	}
}

/* Convert static rate to text */
static inline const char*
IbStaticRateToText(IB_STATIC_RATE rate)
{
	switch (rate)
	{
		case IB_STATIC_RATE_DONTCARE:
			return "any";
		case IB_STATIC_RATE_1GB:
			return "1g";
		case IB_STATIC_RATE_2_5G:
			return "2.5g";
		case IB_STATIC_RATE_10G:
			return "10g";
		case IB_STATIC_RATE_30G:
			return "30g";
		case IB_STATIC_RATE_5G:
			return "5g";
		case IB_STATIC_RATE_20G:
			return "20g";
		case IB_STATIC_RATE_40G:
			return "40g";
		case IB_STATIC_RATE_60G:
			return "60g";
		case IB_STATIC_RATE_80G:
			return "80g";
		case IB_STATIC_RATE_120G:
			return "120g";
		case IB_STATIC_RATE_14G:
			return "14g";				// 14.0625g
		case IB_STATIC_RATE_25G:
			return "25g";				// 25.78125g
		case IB_STATIC_RATE_56G:
			return "56g";				// 56.25g
		case IB_STATIC_RATE_100G:
			return "100g";				// 103.125g
		case IB_STATIC_RATE_112G:
			return "112g";				// 112.5g
		case IB_STATIC_RATE_200G:
			return "200g";				// 206.25g
		case IB_STATIC_RATE_168G:
			return "168g";				// 168.75g
		case IB_STATIC_RATE_300G:
			return "300g";				// 309.375g
		default:
			return "???";
	}
}

/* convert static rate to mbps (10^6 bits/sec) units */
static __inline uint32
IbStaticRateToMbps(IB_STATIC_RATE rate)
{
	switch (rate)
	{
		default:
		case IB_STATIC_RATE_DONTCARE:
			return 10000;	/* default to 10G */
							/* In other functions this is present wire speed */
		case IB_STATIC_RATE_1GB:
			return 1000;
		case IB_STATIC_RATE_2_5G:
			return 2500;
		case IB_STATIC_RATE_10G:
			return 10000;
		case IB_STATIC_RATE_30G:
			return 30000;
		case IB_STATIC_RATE_5G:
			return 5000;
		case IB_STATIC_RATE_20G:
			return 20000;
		case IB_STATIC_RATE_40G:
			return 40000;
		case IB_STATIC_RATE_60G:
			return 60000;
		case IB_STATIC_RATE_80G:
			return 80000;
		case IB_STATIC_RATE_120G:
			return 120000;
		case IB_STATIC_RATE_14G:
			return 14062;
		case IB_STATIC_RATE_25G:
			return 25781;
		case IB_STATIC_RATE_56G:
			return 56250;
		case IB_STATIC_RATE_100G:
			return 103125;
		case IB_STATIC_RATE_112G:
			return 112500;
		case IB_STATIC_RATE_200G:
			return 206250;
		case IB_STATIC_RATE_168G:
			return 168750;
		case IB_STATIC_RATE_300G:
			return 309375;
	}
}

/* convert static rate to PMA million ticks/sec units
 * tick = time to send 1 byte on wire
 */
static __inline uint32
IbStaticRateToMTickps(IB_STATIC_RATE rate)
{
	if (rate <= IB_STATIC_RATE_LAST_QDR)
		return (IbStaticRateToMbps(rate)/10);		// 8b10b encoding
	else
		return ((IbStaticRateToMbps(rate)*8)/66);	// 64b66b encoding
}

/* convert static rate to MByte/sec units, M=2^20 */
static __inline uint32
IbStaticRateToMBps(IB_STATIC_RATE rate)
{
	if (rate <= IB_STATIC_RATE_LAST_QDR)
		return (IbmbpsToMBps(IbStaticRateToMbps(rate)));
	else
		return (IbmbpsToMBpsExt(IbStaticRateToMbps(rate)));
}

/* convert mbps (10^6 bits/sec) to static rate */
static __inline IB_STATIC_RATE
IbMbpsToStaticRate(uint32 rate_mbps)
{
	/* 1Gb rate is obsolete */
	if (rate_mbps <= 2500)
		return IB_STATIC_RATE_2_5G;
	else if (rate_mbps <= 5000)
		return IB_STATIC_RATE_5G;
	else if (rate_mbps <= 10000)
		return IB_STATIC_RATE_10G;
	else if (rate_mbps <= 14062)
		return IB_STATIC_RATE_14G;
	else if (rate_mbps <= 20000)
		return IB_STATIC_RATE_20G;
	else if (rate_mbps <= 25781)
		return IB_STATIC_RATE_25G;
	else if (rate_mbps <= 30000)
		return IB_STATIC_RATE_30G;
	else if (rate_mbps <= 40000)
		return IB_STATIC_RATE_40G;
	else if (rate_mbps <= 56250)
		return IB_STATIC_RATE_56G;
	else if (rate_mbps <= 60000)
		return IB_STATIC_RATE_60G;
	else if (rate_mbps <= 80000)
		return IB_STATIC_RATE_80G;
	else if (rate_mbps <= 103125)
		return IB_STATIC_RATE_100G;
	else if (rate_mbps <= 112500)
		return IB_STATIC_RATE_112G;
	else if (rate_mbps <= 120000)
		return IB_STATIC_RATE_120G;
	else if (rate_mbps <= 168750)
		return IB_STATIC_RATE_168G;
	else if (rate_mbps <= 206250)
		return IB_STATIC_RATE_200G;
	else 
		return IB_STATIC_RATE_300G;
}

/* convert link width to text
 * 7 char output for Supported/Enabled Width (multi rate)
 * 4 char output for Active Width (single rate or Noop)
 */
static __inline const char*
IbLinkWidthToText(IB_LINK_WIDTH width)
{
	return (width == IB_LINK_WIDTH_NOP)?"None":
		(width == IB_LINK_WIDTH_1X)?"1x":
		(width == IB_LINK_WIDTH_4X)?"4x":
		(width == IB_LINK_WIDTH_8X)?"8x":
		(width == IB_LINK_WIDTH_12X)?"12x":
		(width == IB_LINK_WIDTH_1X+IB_LINK_WIDTH_4X)?"1-4x":
		(width == IB_LINK_WIDTH_1X+IB_LINK_WIDTH_8X)?"1,8x":
		(width == IB_LINK_WIDTH_1X+IB_LINK_WIDTH_12X)?"1,12x":
		(width == IB_LINK_WIDTH_1X+IB_LINK_WIDTH_4X+IB_LINK_WIDTH_8X)?"1-8x":
		(width == IB_LINK_WIDTH_1X+IB_LINK_WIDTH_4X+IB_LINK_WIDTH_12X)?"1,4,12x":
		(width == IB_LINK_WIDTH_1X+IB_LINK_WIDTH_8X+IB_LINK_WIDTH_12X)?"1,8,12x":
		(width == IB_LINK_WIDTH_1X+IB_LINK_WIDTH_4X+IB_LINK_WIDTH_8X+IB_LINK_WIDTH_12X)?"1-12x":
		(width == IB_LINK_WIDTH_4X+IB_LINK_WIDTH_8X)?"4-8x":
		(width == IB_LINK_WIDTH_4X+IB_LINK_WIDTH_12X)?"4,12x":
		(width == IB_LINK_WIDTH_4X+IB_LINK_WIDTH_8X+IB_LINK_WIDTH_12X)?"4-12x":
		(width == IB_LINK_WIDTH_8X+IB_LINK_WIDTH_12X)?"8-12x":
		(width == IB_LINK_WIDTH_ALL_SUPPORTED)?"all":
		"???";
}

/* determine if link width is a valid value for active link width */
/* Active Link width can only have 1 bit set, Note that Enabled and Supported
 * can have multiple bits set
 */
static __inline boolean
IbLinkWidthIsValidActive(IB_LINK_WIDTH width)
{
	switch (width) {
	default:
		return FALSE;
	case IB_LINK_WIDTH_1X:
	case IB_LINK_WIDTH_4X:
	case IB_LINK_WIDTH_8X:
	case IB_LINK_WIDTH_12X:
		return TRUE;
	}
}

/* convert link width to integer multiplier */
static __inline uint32
IbLinkWidthToInt(IB_LINK_WIDTH width)
{
	switch (width) {
	default:
	case IB_LINK_WIDTH_1X: return 1;
	case IB_LINK_WIDTH_4X: return 4;
	case IB_LINK_WIDTH_8X: return 8;
	case IB_LINK_WIDTH_12X: return 12;
	}
}

/* convert integer multiplier to link width */
static __inline IB_LINK_WIDTH
IbIntToLinkWidth(uint32 width)
{
	if (width <= 1)
		return IB_LINK_WIDTH_1X;
	else if (width <= 4)
		return IB_LINK_WIDTH_4X;
	else if (width <= 8)
		return IB_LINK_WIDTH_8X;
	else 
		return IB_LINK_WIDTH_12X;
}

/* compare 2 link widths and report expected operational width
 * can be used to compare Enabled or Supported values in connected ports
 */
static __inline IB_LINK_WIDTH
IbExpectedLinkWidth(IB_LINK_WIDTH a, IB_LINK_WIDTH b)
{
	if ((IB_LINK_WIDTH_12X & a) && (IB_LINK_WIDTH_12X & b))
		return IB_LINK_WIDTH_12X;
	else if ((IB_LINK_WIDTH_8X & a) && (IB_LINK_WIDTH_8X & b))
		return IB_LINK_WIDTH_8X;
	else if ((IB_LINK_WIDTH_4X & a) && (IB_LINK_WIDTH_4X & b))
		return IB_LINK_WIDTH_4X;
	else if ((IB_LINK_WIDTH_1X & a) && (IB_LINK_WIDTH_1X & b))
		return IB_LINK_WIDTH_1X;
	else
		return (IB_LINK_WIDTH)0;	/* link should come up */
}

/* return the best link width set in the bit mask */
static __inline IB_LINK_WIDTH
IbBestLinkWidth(IB_LINK_WIDTH width)
{
	if (IB_LINK_WIDTH_12X & width)
		return IB_LINK_WIDTH_12X;
	else if (IB_LINK_WIDTH_8X & width)
		return IB_LINK_WIDTH_8X;
	else if (IB_LINK_WIDTH_4X & width)
		return IB_LINK_WIDTH_4X;
	else if (IB_LINK_WIDTH_1X & width)
		return IB_LINK_WIDTH_1X;
	else
		return (IB_LINK_WIDTH)0;	/* no width? */
}

/* convert link speed to 12 character text (most are <= 10) */
static __inline const char*
IbLinkSpeedToText(IB_LINK_SPEED speed)
{
	return (speed == IB_LINK_SPEED_NOP)?"None":
			(speed == IB_LINK_SPEED_2_5G)?"2.5Gb":
			(speed == IB_LINK_SPEED_2_5G+IB_LINK_SPEED_5G)?"2.5-5Gb":
			(speed == IB_LINK_SPEED_2_5G+IB_LINK_SPEED_10G)?"2.5,10Gb":
			(speed == IB_LINK_SPEED_2_5G+IB_LINK_SPEED_5G+IB_LINK_SPEED_10G)?"2.5-10Gb":
			(speed == IB_LINK_SPEED_5G)?"5.0Gb":
			(speed == IB_LINK_SPEED_5G+IB_LINK_SPEED_10G)?"5-10Gb":
			(speed == IB_LINK_SPEED_10G)?"10.0Gb":
			(speed == IB_LINK_SPEED_2_5G+IB_LINK_SPEED_14G)?"2.5,14Gb":
			(speed == IB_LINK_SPEED_2_5G+IB_LINK_SPEED_5G+IB_LINK_SPEED_14G)?"2.5-5,14Gb":
			(speed == IB_LINK_SPEED_2_5G+IB_LINK_SPEED_5G+IB_LINK_SPEED_10G+IB_LINK_SPEED_14G)?"2.5-14Gb":
			(speed == IB_LINK_SPEED_2_5G+IB_LINK_SPEED_10G+IB_LINK_SPEED_14G)?"2.5,10-14G":
			(speed == IB_LINK_SPEED_5G+IB_LINK_SPEED_10G+IB_LINK_SPEED_14G)?"5-14Gb":
			(speed == IB_LINK_SPEED_5G+IB_LINK_SPEED_14G)?"5,14Gb":
			(speed == IB_LINK_SPEED_10G+IB_LINK_SPEED_14G)?"10-14Gb":
			(speed == IB_LINK_SPEED_14G)?"14.0Gb":
			(speed == IB_LINK_SPEED_2_5G+IB_LINK_SPEED_25G)?"2.5,25Gb":
			(speed == IB_LINK_SPEED_2_5G+IB_LINK_SPEED_5G+IB_LINK_SPEED_25G)?"2.5-5,25Gb":
			(speed == IB_LINK_SPEED_2_5G+IB_LINK_SPEED_5G+IB_LINK_SPEED_10G+IB_LINK_SPEED_25G)?"2.5-10,25G":
			(speed == IB_LINK_SPEED_2_5G+IB_LINK_SPEED_5G+IB_LINK_SPEED_10G+IB_LINK_SPEED_14G+IB_LINK_SPEED_25G)?"2.5-25Gb":
			(speed == IB_LINK_SPEED_2_5G+IB_LINK_SPEED_5G+IB_LINK_SPEED_14G+IB_LINK_SPEED_25G)?"2.5-5,14-25G":
			(speed == IB_LINK_SPEED_2_5G+IB_LINK_SPEED_10G+IB_LINK_SPEED_14G+IB_LINK_SPEED_25G)?"2.5,10-25G":
			(speed == IB_LINK_SPEED_2_5G+IB_LINK_SPEED_14G+IB_LINK_SPEED_25G)?"2.5,14-25G":
			(speed == IB_LINK_SPEED_2_5G+IB_LINK_SPEED_10G+IB_LINK_SPEED_25G)?"2.5,10,25G":
			(speed == IB_LINK_SPEED_5G+IB_LINK_SPEED_25G)?"5.0,25Gb":
			(speed == IB_LINK_SPEED_5G+IB_LINK_SPEED_10G+IB_LINK_SPEED_25G)?"5-10,25Gb":
			(speed == IB_LINK_SPEED_5G+IB_LINK_SPEED_10G+IB_LINK_SPEED_14G+IB_LINK_SPEED_25G)?"5-25Gb":
			(speed == IB_LINK_SPEED_5G+IB_LINK_SPEED_14G+IB_LINK_SPEED_25G)?"5,14-25Gb":
			(speed == IB_LINK_SPEED_10G+IB_LINK_SPEED_14G+IB_LINK_SPEED_25G)?"10-25Gb":
			(speed == IB_LINK_SPEED_14G+IB_LINK_SPEED_25G)?"14-25Gb":
			(speed == IB_LINK_SPEED_10G+IB_LINK_SPEED_25G)?"10,25Gb":
			(speed == IB_LINK_SPEED_25G)?"25.7Gb":
			(speed == IB_LINK_SPEED_ALL_SUPPORTED)?"ALL":
			"????";
}

/* determine if link speed is a valid value for active link speed */
/* Active Link speed can only have 1 bit set, Note that Enabled and Supported
 * can have multiple bits set
 */
static __inline boolean
IbLinkSpeedIsValidActive(IB_LINK_SPEED speed)
{
	switch (speed) {
	default:
		return FALSE;
	case IB_LINK_SPEED_2_5G:
	case IB_LINK_SPEED_5G:
	case IB_LINK_SPEED_10G:
	case IB_LINK_SPEED_14G:
	case IB_LINK_SPEED_25G:
		return TRUE;
	}
}

/* convert link speed to mbps (10^6 bits/sec) units */
static __inline uint32
IbLinkSpeedToMbps(IB_LINK_SPEED speed)
{
	switch (speed) {
	default:
	case IB_LINK_SPEED_2_5G: return 2500;
	case IB_LINK_SPEED_5G: return 5000;
	case IB_LINK_SPEED_10G: return 10000;
	case IB_LINK_SPEED_14G: return 14062;
	case IB_LINK_SPEED_25G: return 25781;
	}
}

/* convert mbps (10^6 bits/sec) to link speed */
static __inline IB_LINK_SPEED
IbMbpsToLinkSpeed(uint32 speed)
{
	if (speed <= 2500)
		return IB_LINK_SPEED_2_5G;
	else if (speed <= 5000)
		return IB_LINK_SPEED_5G;
	else if (speed <= 10000)
		return IB_LINK_SPEED_10G;
	else if (speed <= 14062)
		return IB_LINK_SPEED_14G;
	else
		return IB_LINK_SPEED_25G;
}

/* compare 2 link speeds and report expected operational speed
 * can be used to compare Enabled or Supported values in connected ports
 */
static __inline IB_LINK_SPEED
IbExpectedLinkSpeed(IB_LINK_SPEED a, IB_LINK_SPEED b)
{
	if ((IB_LINK_SPEED_25G & a) && (IB_LINK_SPEED_25G & b))
		return IB_LINK_SPEED_25G;
	else if ((IB_LINK_SPEED_14G & a) && (IB_LINK_SPEED_14G & b))
		return IB_LINK_SPEED_14G;
	else if ((IB_LINK_SPEED_10G & a) && (IB_LINK_SPEED_10G & b))
		return IB_LINK_SPEED_10G;
	else if ((IB_LINK_SPEED_5G & a) && (IB_LINK_SPEED_5G & b))
		return IB_LINK_SPEED_5G;
	else if ((IB_LINK_SPEED_2_5G & a) && (IB_LINK_SPEED_2_5G & b))
		return IB_LINK_SPEED_2_5G;
	else
		return (IB_LINK_SPEED)0;	/* link should not come up */
}

/* return the best link speed set in the bit mask */
static __inline IB_LINK_SPEED
IbBestLinkSpeed(IB_LINK_SPEED speed)
{
	if (IB_LINK_SPEED_25G & speed)
		return IB_LINK_SPEED_25G;
	else if (IB_LINK_SPEED_14G & speed)
		return IB_LINK_SPEED_14G;
	else if (IB_LINK_SPEED_10G & speed)
		return IB_LINK_SPEED_10G;
	else if (IB_LINK_SPEED_5G & speed)
		return IB_LINK_SPEED_5G;
	else if (IB_LINK_SPEED_2_5G & speed)
		return IB_LINK_SPEED_2_5G;
	else
		return (IB_LINK_SPEED)0;	/* no speed? */
}

/* convert link speed and width to mbps (10^6 bits/sec) */
static __inline uint32
IbLinkSpeedWidthToMbps(IB_LINK_SPEED speed, IB_LINK_WIDTH width)
{
	return IbLinkSpeedToMbps(speed) * IbLinkWidthToInt(width);
}

/* convert link speed and width to Static Rate */
static __inline IB_STATIC_RATE
IbLinkSpeedWidthToStaticRate(IB_LINK_SPEED speed, IB_LINK_WIDTH width)
{
	return IbMbpsToStaticRate(IbLinkSpeedWidthToMbps(speed, width));
}

/* convert static rate to InterPacketDelay (IPD) */
static __inline uint8
IbStaticRateToIpd(IB_STATIC_RATE rate, IB_LINK_WIDTH linkWidth, IB_LINK_SPEED linkSpeed)
{
	uint32 link_rate_mbps;
	uint32 static_rate_mbps;

	if (rate == IB_STATIC_RATE_DONTCARE)
		return 0;	/* 100% speed */
	link_rate_mbps = IbLinkWidthToInt(linkWidth)*IbLinkSpeedToMbps(linkSpeed);
	static_rate_mbps = IbStaticRateToMbps(rate);

	if (static_rate_mbps >= link_rate_mbps)
		return 0;	/* 100% speed */
	/* round up to handle odd ones like 8x rate over 12x link */
	return ((link_rate_mbps  + (static_rate_mbps-1))/ static_rate_mbps) - 1;
}

/* convert InterPacketDelay (IPD) to static rate */
static __inline IB_STATIC_RATE
IbIpdToStaticRate(uint8 ipd, IB_LINK_WIDTH linkWidth, IB_LINK_SPEED linkSpeed)
{
	uint32 link_rate_mbps = IbLinkWidthToInt(linkWidth)*IbLinkSpeedToMbps(linkSpeed);
	return IbMbpsToStaticRate(link_rate_mbps/(ipd+1));
}

/* convert IB_PORT_ATTRIBUTES.ActiveWidth to IB_LINK_WIDTH */
static __inline IB_LINK_WIDTH
IbPortWidthToLinkWidth(uint8 width)
{
	switch (width) {
	case PORT_WIDTH_1X:
		return IB_LINK_WIDTH_1X;
	default:
	case PORT_WIDTH_4X:
		return IB_LINK_WIDTH_4X;
	case PORT_WIDTH_8X:
		return IB_LINK_WIDTH_8X;
	case PORT_WIDTH_12X:
		return IB_LINK_WIDTH_12X;
	}
}

/* convert IB_PORT_ATTRIBUTES.ActiveSpeed to IB_LINK_SPEED */
static __inline IB_LINK_SPEED
IbPortSpeedToLinkSpeed(uint8 speed)
{
	switch (speed) {
	default:
	case PORT_SPEED_2_5G:
		return IB_LINK_SPEED_2_5G;
	case PORT_SPEED_5G:
		return IB_LINK_SPEED_5G;
	case PORT_SPEED_10G:
		return IB_LINK_SPEED_10G;
	case PORT_SPEED_14G:
		return IB_LINK_SPEED_14G;
	case PORT_SPEED_25G:
		return IB_LINK_SPEED_25G;
	}
}

/* convert IB_PORT_ATTRIBUTES.ActiveSpeed and ActiveWidth to Mbps */
static __inline uint32
IbPortSpeedWidthToMbps(uint8 speed, uint8 width)
{
	return IbLinkSpeedToMbps(IbPortSpeedToLinkSpeed(speed))
			* IbLinkWidthToInt(IbPortWidthToLinkWidth(width));
}

/* convert IB_PORT_ATTRIBUTES.ActiveSpeed and ActiveWidth to Static Rate */
static __inline IB_STATIC_RATE
IbPortSpeedWidthToStaticRate(uint8 speed, uint8 width)
{
	return IbMbpsToStaticRate(IbPortSpeedWidthToMbps(speed, width));
}

// combine LinkSpeedActive and LinkSpeedExtActive
static __inline uint8
PortDataGetLinkSpeedActiveCombined(PORT_INFO *portInfop)
{
	uint8 speed = portInfop->LinkSpeed.Active & 0x0F;
	if (portInfop->CapabilityMask.s.IsExtendedSpeedsSupported)
		speed |= (portInfop->LinkSpeedExt.Active << 4);
	return(speed);
}

// split LinkSpeedActive into LinkSpeedActive and LinkSpeedExtActive
static __inline void
PortDataSetLinkSpeedActiveSplit(uint8 speed, PORT_INFO *portInfop)
{
	portInfop->LinkSpeed.Active = speed & 0x0F;
	portInfop->LinkSpeedExt.Active = speed >> 4;
}

// combine LinkSpeedSupported and LinkSpeedExtSupported
static __inline uint8
PortDataGetLinkSpeedSupportedCombined(PORT_INFO *portInfop)
{
	uint8 speed = portInfop->Link.SpeedSupported & 0x0F;
	if (portInfop->CapabilityMask.s.IsExtendedSpeedsSupported)
		speed |= (portInfop->LinkSpeedExt.Supported << 4);
	return(speed);
}

// split LinkSpeedSupported into LinkSpeedSupported and LinkSpeedExtSupported
static __inline void
PortDataSetLinkSpeedSupportedSplit(uint8 speed, PORT_INFO *portInfop)
{
	portInfop->Link.SpeedSupported = speed & 0x0F;
	portInfop->LinkSpeedExt.Supported = speed >> 4;
}

// combine LinkSpeedEnabled and LinkSpeedExtEnabled
static __inline uint8
PortDataGetLinkSpeedEnabledCombined(PORT_INFO *portInfop)
{
	uint8 speed = portInfop->LinkSpeed.Enabled & 0x0F;
	if (portInfop->CapabilityMask.s.IsExtendedSpeedsSupported)
		speed |= (portInfop->LinkSpeedExt.Enabled << 4);
	return(speed);
}

// split LinkSpeedEnabled into LinkSpeedEnabled and LinkSpeedExtEnabled
static __inline void
PortDataSetLinkSpeedEnabledSplit(uint8 speed, PORT_INFO *portInfop)
{
	portInfop->LinkSpeed.Enabled = speed & 0x0F;
	portInfop->LinkSpeedExt.Enabled = speed >> 4;
}

/* convert Notice Type to text */
static __inline const char*
IbNoticeTypeToText(IB_NOTICE_TYPE type)
{
	return (type == IB_NOTICE_FATAL? "Fatal":
			type == IB_NOTICE_URGENT? "Urgent":
			type == IB_NOTICE_SECURITY? "Security":
			type == IB_NOTICE_SM? "SM":
			type == IB_NOTICE_INFO? "Info":
			type == IB_NOTICE_ALL? "All": "???");
}

/* convert MKey protect selection to text */
static __inline const char*
IbMKeyProtectToText(IB_MKEY_PROTECT protect)
{
	return (protect == IB_MKEY_PROTECT_RO)?"Read-only":
		(protect == IB_MKEY_PROTECT_HIDE)?"Hide":
		(protect == IB_MKEY_PROTECT_SECURE)?"Secure":"????";
}

/* TBD - come back and do these a little more efficiently with a
 * global array indexed by timeout_mult
 */

#define IB_MAX_TIMEOUT_MULT_MS 8796093	/* 2.4 hr */

/* Convert Timeout value from 4.096usec * 2^timeout_mult
 * to ms (which is units for Timers in Public)
 */
static __inline
uint32 TimeoutMultToTimeInMs(uint32 timeout_mult)
{
	/* all values are rounded up, comments reflect exact value */
	switch (timeout_mult)
	{
		case 0:
		case 1:
		case 2:
		case 3:
		case 4:
		case 5:
		case 6:
		case 7:
			return 1;	/* < 1 ms, round up */
		case 8:
			return 2;	/* 1.048 ms */
		case 9:
			return 3;	/* 2.097 ms */
		case 10:
			return 5;	/* 4.197 ms */
		case 11:
			return 9;	/* 8.388 ms */
		case 12:
			return 17;	/* 16.777 ms */
		case 13:
			return 34;	/* 33.554 ms */
		case 14:
			return 68;	/* 67.1 ms */
		case 15:
			return 135;	/* 134.2 ms */
		case 16:
			return 269;	/* 268.4 ms */
		case 17:
			return 537;	/* 536.8 ms */
		case 18:
			return 1074;/* 1.073 s */
		case 19:
			return 2148;/* 2.148 s */
		case 20:
			return 4295;/* 4.294 s */
		case 21:
			return 8590;/* 8.589 s */
		case 22:
			return 17180;/* 17.179 s */
		case 23:
			return 34359;/* 34.359 s */
		case 24:
			return 68720;/* 68.719 s */
		case 25:
			return 137438;/* 2.2 minutes */
		case 26:
			return 274877; /* 4.5 minutes */
		case 27:
			return 549755; /* 9 minutes */
		case 28:
			return 1099511;	/* 18 minutes */
		case 29:
			return 2199023;	/* 0.6 hr */
		case 30:
			return 4398046;	/* 1.2 hr	 */
		default:	/* PktLifeTime allows 6 bits in PathRecord */
					/* but anything beyond 2 hrs is an eternity */
		case 31:
			return 8796093;	/* 2.4 hr */
	}
}

/* Convert Timeout value from 4.096usec * 2^timeout_mult to usec */
static __inline
uint64 TimeoutMultToTimeInUsec(uint32 timeout_mult)
{
	/* all values are rounded up, comments reflect exact value */
	switch (timeout_mult)
	{
		case 0:
			return 5;	/* 4.096 usec */
		case 1:
			return 9;	/* 8.192 usec */
		case 2:
			return 17;	/* 16.384 usec */
		case 3:
			return 33;	/* 32.768 usec */
		case 4:
			return 66;	/* 65.536 usec */
		case 5:
			return 132;	/* 131.072 usec */
		case 6:
			return 263;	/* 262.144 usec */
		case 7:
			return 525;	/* 524.288 usec */
		case 8:
			return 1048;	/* 1.048 ms */
		case 9:
			return 2097;	/* 2.097 ms */
		case 10:
			return 4197;	/* 4.197 ms */
		case 11:
			return 8388;	/* 8.388 ms */
		default:
			/* ms accuracy should be good enough for the rest */
			return ((uint64)TimeoutMultToTimeInMs(timeout_mult)*(uint64)1000);
	}
}

/* convert capability mask into a text representation */
static __inline
void FormatCapabilityMask(char buf[80], IB_CAPABILITY_MASK cmask)
{
	snprintf(buf, 80, "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s",
		cmask.s.IsClientReregistrationSupported?"CR ": "",
		cmask.s.IsLinkRoundTripLatencySupported?"LR ": "",
		cmask.s.IsBootManagementSupported?"BT ": "",
		cmask.s.IsCapabilityMaskNoticeSupported?"CN ": "",
		cmask.s.IsDRNoticeSupported?"DN ": "",
		cmask.s.IsVendorClassSupported?"VDR ": "",
		cmask.s.IsDeviceManagementSupported?"DM ": "",
		cmask.s.IsReinitSupported?"RI ": "",
		cmask.s.IsSNMPTunnelingSupported?"SNMP ": "",
		cmask.s.IsConnectionManagementSupported?"CM ": "",
		cmask.s.IsPKeySwitchExternalPortTrapSupported?"PST ": "",
		cmask.s.IsSystemImageGuidSupported?"SIG ": "",
		cmask.s.IsSMDisabled?"SMD ": "",
		cmask.s.IsLEDInfoSupported?"LED ": "",
		cmask.s.IsPKeyNVRAM?"PK ": "",
		cmask.s.IsMKeyNVRAM?"MK ": "",
		cmask.s.IsSLMappingSupported?"SL ": "",
		cmask.s.IsAutomaticMigrationSupported?"APM ": "",
		cmask.s.IsTrapSupported?"Trap ": "",
		cmask.s.IsNoticeSupported?"Not ": "",
		cmask.s.IsSM?"SM ": "");
}

#define FORMAT_MULT_THRESHOLD_FRACTION 1000	/* for fractions of a second */
#define FORMAT_MULT_THRESHOLD 180	/* for seconds and minutes */

/* convert 4.096us*2^timeout to a reasonable value
 * and format into a buffer as #### uu
 * where uu is units and timeout is limited to 31
 * buffer will be exactly 7 characters + terminating \0
 */
static __inline
void FormatTimeoutMult(char buf[8], uint8 timeout)
{
	uint64 time64 = 4096 * ((uint64)1<<timeout);	/* units of ns */

#if defined(VXWORKS)
	if (time64 < FORMAT_MULT_THRESHOLD_FRACTION)
		snprintf(buf, 8, "%4u ns", (uint32)time64);
	else if (time64 < FORMAT_MULT_THRESHOLD_FRACTION*1000)
		snprintf(buf, 8, "%4u us", ((uint32)time64)/1000);
	else {
		/* Linux kernel doesn't have 64 bit division support */
		uint32 time32 = 4096 * (((uint32)1<<timeout)/1000000);	/* units of ms */
		if (time64 < 9999000000ULL) {
			/* recompute since /1000000 will yield 0 for timeout < 2.1 sec */
			time32=(4096 * (((uint32)1<<timeout)/10))/100000;
		}
		if (time32 < FORMAT_MULT_THRESHOLD_FRACTION)
			snprintf(buf, 8, "%4u ms", time32);
		else if (time32 < FORMAT_MULT_THRESHOLD*1000)
			snprintf(buf, 8, "%4u s ", time32/1000);
		else if (time32 < FORMAT_MULT_THRESHOLD*1000*60)
			snprintf(buf, 8, "%4u m ", time32/(1000*60));
		else 
			snprintf(buf, 8, "%4u h ", time32/(1000*60*60));
	}
#else
	if (time64 < FORMAT_MULT_THRESHOLD_FRACTION)
		snprintf(buf, 8, "%4u ns", (uint32)time64);
	else if (time64 < FORMAT_MULT_THRESHOLD_FRACTION*1000)
		snprintf(buf, 8, "%4u us", ((uint32)time64)/1000);
	else {
		/* Linux kernel doesn't have 64 bit division support */
		uint32 time32 = 4096 * (((uint32)1<<timeout)/1000000);	/* units of ms */
		if (time64 < 9999000000ULL) {
			/* recompute since /1000000 will yield 0 for timeout < 2.1 sec */
			time32=(4096 * (((uint32)1<<timeout)/10))/100000;
		}
		if (time32 < FORMAT_MULT_THRESHOLD_FRACTION)
			snprintf(buf, 8, "%4u ms", time32);
		else if (time32 < FORMAT_MULT_THRESHOLD*1000)
			snprintf(buf, 8, "%4u s ", time32/1000);
		else if (time32 < FORMAT_MULT_THRESHOLD*1000*60)
			snprintf(buf, 8, "%4u m ", time32/(1000*60));
		else 
			snprintf(buf, 8, "%4u h ", time32/(1000*60*60));
	}
#endif
}

/* Convert Timeout value from usec to
 * timeout_mult where usec = 4.096usec * 2^timeout_mult
 */
static __inline
uint32 TimeoutTimeToMult(uint64 timeout_us)
{
	/* all values are rounded up, comments reflect exact value */
	if (timeout_us <= 4)
		return 0;	/* 4.096 us */
	else if (timeout_us <= 8)
		return 1;	/* 8.192 us */
	else if (timeout_us <= 16)
		return 2;	/* 16.384 us */
	else if (timeout_us <= 32)
		return 3;	/* 32.768 us */
	else if (timeout_us <= 65)
		return 4;	/* 65.536 us */
	else if (timeout_us <= 131)
		return 5;	/* 131.072 us */
	else if (timeout_us <= 262)
		return 6;	/* 262.144 us */
	else if (timeout_us <= 524)
		return 7;	/* 524.288 us */
	else if (timeout_us <= 1048)
		return 8;	/* 1048.576 us */
	else if (timeout_us <= 2097)
		return 9;	/* 2.097 ms */
	else if (timeout_us <= 4194)
		return 10;	/* 4.197 ms */
	else if (timeout_us <= 8388)
		return 11;	/* 8.388 ms */
	else if (timeout_us <= 16777)
		return 12;	/* 16.777 ms */
	else if (timeout_us <= 33554)
		return 13;	/* 33.554 ms */
	else if (timeout_us <= 67108)
		return 14;	/* 67.1 ms */
	else if (timeout_us <= 134217)
		return 15;	/* 134.2 ms */
	else if (timeout_us <= 268435)
		return 16;	/* 268.4 ms */
	else if (timeout_us <= 536870)
		return 17;	/* 536.8 ms */
	else if (timeout_us <= 1073741)
		return 18;/* 1.073 s */
	else if (timeout_us <= 2147483)
		return 19;/* 2.148 s */
	else if (timeout_us <= 4294967)
		return 20;/* 4.294 s */
	else if (timeout_us <= 8589934)
		return 21;/* 8.589 s */
	else if (timeout_us <= 17179869)
		return 22;/* 17.179 s */
	else if (timeout_us <= 34359738)
		return 23;/* 34.359 s */
	else if (timeout_us <= 68719476)
		return 24;/* 68.719 s */
	else if (timeout_us <= 137438953ll)
		return 25;/* 2.2 minutes */
	else if (timeout_us <= 274877906ll)
		return 26; /* 4.5 minutes */
	else if (timeout_us <= 549755813ll)
		return 27; /* 9 minutes */
	else if (timeout_us <= 1099511628ll)
		return 28;	/* 18 minutes */
	else if (timeout_us <= 2199023256ll)
		return 29;	/* 0.6 hr */
	else if (timeout_us <= 4398046511ll)
		return 30;	/* 1.2 hr	 */
	else
		return 31;	/* 2.4 hr */
}

/* Convert Timeout value from ms to
 * timeout_mult where ms = 4.096usec * 2^timeout_mult
 */
static __inline
uint32 TimeoutTimeMsToMult(uint32 timeout_ms)
{
	/* all values are rounded up, comments reflect exact value */
	if (timeout_ms < 1)
		return 0;	/* 4.096 us */
	else if (timeout_ms <= 1)
		return 8;	/* 1048.576 us */
	else if (timeout_ms <= 2)
		return 9;	/* 2.097 ms */
	else if (timeout_ms <= 4)
		return 10;	/* 4.197 ms */
	else if (timeout_ms <= 8)
		return 11;	/* 8.388 ms */
	else if (timeout_ms <= 16)
		return 12;	/* 16.777 ms */
	else if (timeout_ms <= 33)
		return 13;	/* 33.554 ms */
	else if (timeout_ms <= 67)
		return 14;	/* 67.1 ms */
	else if (timeout_ms <= 134)
		return 15;	/* 134.2 ms */
	else if (timeout_ms <= 268)
		return 16;	/* 268.4 ms */
	else if (timeout_ms <= 536)
		return 17;	/* 536.8 ms */
	else if (timeout_ms <= 1073)
		return 18;/* 1.073 s */
	else if (timeout_ms <= 2147)
		return 19;/* 2.148 s */
	else if (timeout_ms <= 4294)
		return 20;/* 4.294 s */
	else if (timeout_ms <= 8589)
		return 21;/* 8.589 s */
	else if (timeout_ms <= 17179)
		return 22;/* 17.179 s */
	else if (timeout_ms <= 34359)
		return 23;/* 34.359 s */
	else if (timeout_ms <= 68719)
		return 24;/* 68.719 s */
	else if (timeout_ms <= 137438)
		return 25;/* 2.2 minutes */
	else if (timeout_ms <= 274877)
		return 26; /* 4.5 minutes */
	else if (timeout_ms <= 549755)
		return 27; /* 9 minutes */
	else if (timeout_ms <= 1099511)
		return 28;	/* 18 minutes */
	else if (timeout_ms <= 2199023)
		return 29;	/* 0.6 hr */
	else if (timeout_ms <= 4398046)
		return 30;	/* 1.2 hr	 */
	else
		return 31;	/* 2.4 hr */
}

/* using the LMC, convert a lid to the Source Path Bits for use in
 * and address vector
 */
static __inline
IB_PATHBITS
LidToPathBits(
	IN IB_LID lid,
	IN IB_LMC lmc
	)
{
	return lid & ( (1<<lmc) -1);
}

/* using the LMC and base lid, convert a lid to the Source Path Bits for use in
 * and address vector
 */
static __inline
IB_LID
PathBitsToLid(
	IN IB_LID baselid,
	IN IB_PATHBITS pathbits,
	IN IB_LMC lmc
	)
{
	IB_LID mask = (1<<lmc)-1;
	return (baselid & ~mask) | (pathbits & mask);
}


/*
 * Returns TRUE if the PKey value is valid for the specified port attributes.
 * Sets the PKeyIndex output value, if any, if a match is found.
 */
static __inline boolean
ValidatePKey(
	IN const IB_PORT_ATTRIBUTES* const pPortAttr,
	IN const IB_P_KEY PKeyValue,
	OUT uint16* const pPKeyIndex OPTIONAL )
{
	uint16	i;

	/* Search for the PKey index for the PKey value provided. */
	for( i = 0; i < pPortAttr->NumPkeys; i++ )
	{
		/* Check for invalid PKey values.  Invalid values have */
		/* the lower 15 bits set to zero. */
		if( !(pPortAttr->PkeyTable[i] & 0x7FFF) )
			continue;

        /* Compare the PKey value in the port's PKey table with */
        /* the value provided. */
		if( ((pPortAttr->PkeyTable[i] & 0xffff) == (PKeyValue & 0xffff)) )
		{
			/* We found a match on the value.  Copy the PKey index. */
			if( pPKeyIndex )
				*pPKeyIndex = i;
			return TRUE;
		}
	}

	return FALSE;
}

/*
 * Returns TRUE if the PKey value is found in the specified port attributes.
 * Sets the PKeyIndex output value, if any, if a match is found.
 */
static __inline boolean
LookupPKey(
	IN const IB_PORT_ATTRIBUTES* const pPortAttr,
	IN const IB_P_KEY PKeyValue,
	IN const boolean masked,
	OUT uint16* const pPKeyIndex OPTIONAL )
{
	uint16	i;
	uint16 mask = masked?0x7fff:0xffff;

	/* Search for the PKey index for the PKey value provided. */
	for( i = 0; i < pPortAttr->NumPkeys; i++ )
	{
		/* Check for invalid PKey values.  Invalid values have */
		/* the lower 15 bits set to zero. */
		if( !(pPortAttr->PkeyTable[i] & 0x7FFF) )
			continue;

		/* Compare the PKey value in the port's PKey table with */
		/* the value provided. */
		if( (pPortAttr->PkeyTable[i] & mask) == (PKeyValue & mask) )
		{
			/* We found a match on the value.  Copy the PKey index. */
			if( pPKeyIndex )
				*pPKeyIndex = i;
			return TRUE;
		}
	}

	return FALSE;
}

/*
 * Return GID index if the GID is valid for the specified port attributes.
 * Return -1 if invalid/not configured
 */
static __inline int32
GetGidIndex( 
	IN const IB_PORT_ATTRIBUTES* const pPortAttr,
	IN const IB_GID* const pGid )
{
	uint8	i;

	/* Compare the port's GIDs to see if the requested GID matches. */
	for( i = 0; i < pPortAttr->NumGIDs; i++ )
	{
		/* workaround SM's which forget to specify SubnetPrefix */
		if (pPortAttr->GIDTable[i].Type.Global.SubnetPrefix == 0)
		{
			if (pPortAttr->GIDTable[i].Type.Global.InterfaceID ==
				pGid->Type.Global.InterfaceID)
			{
				return i;
			}
		} else {
			if( !MemoryCompare( &pPortAttr->GIDTable[i], 
				pGid, sizeof( IB_GID ) ) )
			{
				return i;
			}
		}
	}

	return -1;
}

/* non-Wildcarded compare of 2 64 bit values
 * Return:
 * 	0 : v1 == v2
 * 	-1: v1 < v2
 * 	1 : v1 > v2
 */
static __inline int
CompareU64(uint64 v1, uint64 v2)
{
	if (v1 == v2)
		return 0;
	else if (v1 < v2)
		return -1;
	else
		return 1;
}

/* Wildcarded compare of 2 64 bit values
 * Return:
 * 	0 : v1 == v2
 * 	-1: v1 < v2
 * 	1 : v1 > v2
 * 	if v1 or v2 is 0, they are considered wildcards and match any value
 */
static __inline int
WildcardCompareU64(uint64 v1, uint64 v2)
{
	if (v1 == 0 || v2 == 0 || v1 == v2)
		return 0;
	else if (v1 < v2)
		return -1;
	else
		return 1;
}

/* Compare Gid1 to Gid2 (host byte order)
 * Return:
 * 	0 : Gid1 == Gid2
 * 	-1: Gid1 < Gid2
 * 	1 : Gid1 > Gid2
 * This also allows for Wildcarded compare.
 * A MC Gid with the lower 56 bits all 0, will match any MC gid
 * A SubnetPrefix of 0 will match any top 64 bits of a non-MC gid
 * A InterfaceID of 0 will match any low 64 bits of a non-MC gid
 * Coallating order:
 *  non-MC Subnet Prefix (0 is wildcard and comes first)
 *  non-MC Interface ID (0 is wilcard and comes first)
 * 	MC wildcard
 * 	MC by value of low 56 bits (0 is wildcard and comes first)
 */
static __inline int
WildcardGidCompare(IN const IB_GID* const pGid1, IN const IB_GID* const pGid2 )
{
	if (pGid1->Type.Multicast.s.FormatPrefix == IPV6_MULTICAST_PREFIX
		&& pGid2->Type.Multicast.s.FormatPrefix == IPV6_MULTICAST_PREFIX)
	{
		/* Multicast compare: compare low 120 bits, 120 bits of 0 is wildcard */
		uint64 h1 = pGid1->AsReg64s.H & ~IB_GID_MCAST_FORMAT_MASK_H;
		uint64 h2 = pGid2->AsReg64s.H & ~IB_GID_MCAST_FORMAT_MASK_H;
		/* check for 120 bits of wildcard */
		if ((h1 == 0 && pGid1->AsReg64s.L == 0)
			|| (h2 == 0 && pGid2->AsReg64s.L == 0))
		{
			return 0;
		} else if (h1 < h2) {
			return -1;
		} else if (h1 > h2) {
			return 1;
		} else {
			return CompareU64(pGid1->AsReg64s.L, pGid1->AsReg64s.L);
		}
	} else if (pGid1->Type.Multicast.s.FormatPrefix == IPV6_MULTICAST_PREFIX) {
		/* Gid1 is MC, Gid2 is other, treat MC as > others */
		return 1;
	} else if (pGid2->Type.Multicast.s.FormatPrefix == IPV6_MULTICAST_PREFIX) {
		/* Gid1 is other, Gid2 is MC, treat other as < MC */
		return -1;
	} else {
		/* Non-Multicast compare: compare high 64 bits */
		/* Note all other GID formats are essentially a prefix in upper */
		/* 64 bits and a identifier in the low 64 bits */
		/* so this covers link local, site local, global formats */
		int res = WildcardCompareU64(pGid1->AsReg64s.H, pGid2->AsReg64s.H);
		if (res == 0)
		{
			return WildcardCompareU64(pGid1->AsReg64s.L, pGid2->AsReg64s.L);
		} else {
			return res;
		}
	}
}

/* Compute the size of the port attributes structure in src
 * It is assumed that the GID and PKey tables are after src
 * Typically port attributes lists for a CA should be structured as:
 * 		Port 1 Attributes
 * 		Port 1 GID and PKey Tables
 * 		Port 2 Attributes
 * 		Port 2 GID and PKey Tables
 * 		etc
 */
static __inline uint32
IbPortAttributesSize(IN const IB_PORT_ATTRIBUTES* ptr)
{
	uint32 result, temp;

	/* this is best case size */
	result = sizeof(IB_PORT_ATTRIBUTES)
					+ sizeof(IB_GID) * ptr->NumGIDs
					+ sizeof(IB_P_KEY) * ptr->NumPkeys;
	/* however VPD could add pad bytes for alignment */
	temp = (uint8*)(ptr->GIDTable + ptr->NumGIDs) - (uint8*)ptr;
	result = MAX(result, temp);
	temp = (uint8*)(ptr->PkeyTable + ptr->NumPkeys) - (uint8*)ptr;
	result = MAX(result, temp);
	return result;
}

/* Copy the port attributes structure from src to dest for size bytes
 * size must be computed using a function such as IbPortAttributesSize above.
 * It is assumed that the GID and PKey tables are within size bytes from src.
 * Typically port attributes lists for a CA should be structured as:
 * 		Port 1 Attributes
 * 		Port 1 GID and PKey Tables
 * 		Port 2 Attributes
 * 		Port 2 GID and PKey Tables
 * 		etc
 * 	dest->Next is set to NULL, caller must initialize if there is a Next
 */
static __inline void
IbCopyPortAttributes(
				OUT IB_PORT_ATTRIBUTES *dest,
				IN const IB_PORT_ATTRIBUTES* src,
				IN uint32 size
				)
{
	MemoryCopy(dest, src, size);
	dest->GIDTable = (IB_GID *)((uintn)dest + ((uintn)src->GIDTable - (uintn)src));
	dest->PkeyTable = (IB_P_KEY *)((uintn)dest + ((uintn)src->PkeyTable - (uintn)src));
	/*dest->Next = (IB_PORT_ATTRIBUTES*)((uintn)dest + size);*/
	dest->Next = NULL;
}

#undef IbmbpsToMBps
#undef IbmbpsToMBpsExt

#ifdef __cplusplus
};
#endif

#endif	/* _IBA_IB_HELPER_H_ */
