xref: /illumos-gate/usr/src/uts/common/io/bnx/include/lm_defs.h (revision eef4f27b)

/*
 * Copyright 2014-2017 Cavium, Inc.
 * The contents of this file are subject to the terms of the Common Development
 * and Distribution License, v.1,  (the "License").
 *
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the License at available
 * at http://opensource.org/licenses/CDDL-1.0
 *
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef _LM_DEFS_H
#define	_LM_DEFS_H

#ifdef __cplusplus
extern "C" {
#endif

#include "bcmtype.h"

/*
 * Simple constants.
 */

#ifndef TRUE
#define	TRUE    1
#endif

#ifndef FALSE
#define	FALSE   0
#endif

#ifndef NULL
#define	NULL    ((void *) 0)
#endif


/* Signatures for integrity checks. */
#define	LM_DEVICE_SIG		0x6d635242	/* BRcm */
#define	L2PACKET_RX_SIG		0x7872324c	/* L2rx */
#define	L2PACKET_TX_SIG		0x7874324c	/* L2tx */
#define	L4BUFFER_RX_SIG		0x7872344c	/* L4rx */
#define	L4BUFFER_TX_SIG		0x7874344c	/* L4tx */
#define	L4BUFFER_SIG		0x66754254	/* TBuf */
#define	L4GEN_BUFFER_SIG	0x006e6567	/* gen  */
#define	L4GEN_BUFFER_SIG_END	0x0067656e	/* neg  */

#define	SIZEOF_SIG		16
#define	SIG(_p)			(*((u32_t *)((u8_t *)(_p) - sizeof (u32_t))))
#define	END_SIG(_p, _size)	(*((u32_t *)((u8_t *)(_p) + (_size))))

/*
 * This macro rounds the given value to the next word boundary if it
 * is not already at a word boundary.
 */
#define	ALIGN_VALUE_TO_WORD_BOUNDARY(_v) \
	(((_v) + (sizeof (void *) - 1)) & ~(sizeof (void *) - 1))

/*
 * This macro determines the delta to the next alignment which is
 * either 1, 2, 4, 8, 16, 32, etc.
 */
#define	ALIGN_DELTA_TO_BOUNDARY(_p, _a) \
	(((((u8_t *)(_p) - (u8_t *)0) + ((_a) - 1)) & ~((_a) - 1)) - \
	((u8_t *)(_p) - (u8_t *)0))

/*
 * This macro returns the pointer to the next alignment if the pointer
 * is not currently on the indicated alignment boundary.
 */
#define	ALIGN_PTR_TO_BOUNDARY(_p, _a) \
	((u8_t *)(_p) + ALIGN_DELTA_TO_BOUNDARY(_p, _a))



/*
 * Status codes.
 */

typedef enum
{
	LM_STATUS_SUCCESS		= 0,
	LM_STATUS_LINK_UNKNOWN		= 0,
	LM_STATUS_FAILURE		= 1,
	LM_STATUS_RESOURCE		= 2,
	LM_STATUS_ABORTED		= 3,
	LM_STATUS_PENDING		= 4,
	LM_STATUS_PAUSED		= 5,
	LM_STATUS_INVALID_PARAMETER	= 6,
	LM_STATUS_LINK_ACTIVE		= 7,
	LM_STATUS_LINK_DOWN		= 8,
	LM_STATUS_UNKNOWN_ADAPTER	= 9,
	LM_STATUS_UNKNOWN_PHY		= 10,
	LM_STATUS_UNKNOWN_MEDIUM	= 11,
	LM_STATUS_TOO_MANY_FRAGMENTS	= 12,
	LM_STATUS_BUFFER_TOO_SHORT	= 16,
	LM_STATUS_UPLOAD_IN_PROGRESS	= 17,
	LM_STATUS_BUSY			= 18,
	LM_STATUS_INVALID_KEY		= 19,
	LM_STATUS_TIMEOUT		= 20,
	LM_STATUS_REQUEST_NOT_ACCEPTED	= 21,
	LM_STATUS_CONNECTION_CLOSED	= 22,
	LM_STATUS_BAD_SIGNATURE		= 23,
	LM_STATUS_CONNECTION_RESET	= 24,
	LM_STATUS_EXISTING_OBJECT	= 25,
	LM_STATUS_OBJECT_NOT_FOUND	= 26,
	LM_STATUS_CONNECTION_RM_DISC	= 27,
	LM_STATUS_VF_LAMAC_REJECTED	= 28,
	LM_STATUS_NOT_IMPLEMENTED	= 29,
	LM_STATUS_UNKNOWN_EVENT_CODE	= 30
} lm_status_t;


/*
 * Receive filter masks.
 */

typedef u32_t lm_rx_mask_t;

#define	LM_RX_MASK_ACCEPT_NONE			0x0000
#define	LM_RX_MASK_ACCEPT_UNICAST		0x0001
#define	LM_RX_MASK_ACCEPT_MULTICAST		0x0002
#define	LM_RX_MASK_ACCEPT_ALL_MULTICAST		0x0004
#define	LM_RX_MASK_ACCEPT_BROADCAST		0x0008
#define	LM_RX_MASK_ACCEPT_ERROR_PACKET		0x0010

#define	LM_RX_MASK_PROMISCUOUS_MODE		0x10000



/*
 * Flow control.
 */

typedef u32_t lm_flow_control_t;

#define	LM_FLOW_CONTROL_NONE			0x00
#define	LM_FLOW_CONTROL_RECEIVE_PAUSE		0x01
#define	LM_FLOW_CONTROL_TRANSMIT_PAUSE		0x02

/*
 * This value can be or-ed with RECEIVE_PAUSE and TRANSMIT_PAUSE.  If the
 * auto-negotiation is disabled and the RECEIVE_PAUSE and TRANSMIT_PAUSE bits
 * are set, then flow control is enabled regardless of link partner's flow
 * control capability.  Otherwise, if this bit is set, then flow is negotiated
 * with the link partner.  Values 0x80000000 and 0x80000003 are equivalent.
 */
#define	LM_FLOW_CONTROL_AUTO_PAUSE		0x80000000


/*
 * EEE control.
 */

/*
 * values match the registry values for EeeCtrlMode . Default is MED
 * ("Balanced")
 */
typedef enum
{
	LM_EEE_CONTROL_HIGH	= 0, // MaxPowerSave
	LM_EEE_CONTROL_MED	= 1, // Balance
	LM_EEE_CONTROL_LOW	= 2, // MaxPreformance
	LM_EEE_CONTROL_NVRAM	= 3, // use NVRAM
	LM_EEE_CONTROL_NA	= 4  // either N/A or disabled
} lm_eee_policy_t;

/*
 * media type.
 */

typedef u32_t lm_medium_t;

#define	LM_MEDIUM_AUTO_DETECT			0x0000

#define	LM_MEDIUM_TYPE_UNKNOWN			0x0000
#define	LM_MEDIUM_TYPE_BNC			0x0001
#define	LM_MEDIUM_TYPE_UTP			0x0002
#define	LM_MEDIUM_TYPE_FIBER			0x0003
#define	LM_MEDIUM_TYPE_SERDES			0x0004
#define	LM_MEDIUM_TYPE_SERDES_SGMII		0x0005
#define	LM_MEDIUM_TYPE_XGXS			0x0006
#define	LM_MEDIUM_TYPE_XGXS_SGMII		0x0007
#define	LM_MEDIUM_TYPE_XMAC_LOOPBACK		0x0008
#define	LM_MEDIUM_TYPE_UMAC_LOOPBACK		0x0009
#define	LM_MEDIUM_TYPE_EXT_LOOPBACK		0x00f6
#define	LM_MEDIUM_TYPE_EXT_PHY_LOOPBACK		0x00f7
#define	LM_MEDIUM_TYPE_SERDES_LOOPBACK		0x00f8
#define	LM_MEDIUM_TYPE_XGXS_LOOPBACK		0x00f9
#define	LM_MEDIUM_TYPE_XGXS_10_LOOPBACK		0x00fa
#define	LM_MEDIUM_TYPE_BMAC_LOOPBACK		0x00fb
#define	LM_MEDIUM_TYPE_EMAC_LOOPBACK		0x00fc
#define	LM_MEDIUM_TYPE_PHY_LOOPBACK		0x00fd
#define	LM_MEDIUM_TYPE_MAC_LOOPBACK		0x00fe
#define	LM_MEDIUM_TYPE_NULL			0x00ff
#define	LM_MEDIUM_TYPE_MASK			0x00ff
#define	GET_MEDIUM_TYPE(m)			((m) & LM_MEDIUM_TYPE_MASK)
#define	SET_MEDIUM_TYPE(m, t) \
	(m) = ((m) & ~LM_MEDIUM_TYPE_MASK) | (t)

#define	LM_MEDIUM_IS_LOOPBACK(_medium) \
	(((GET_MEDIUM_TYPE(_medium)) == LM_MEDIUM_TYPE_BMAC_LOOPBACK) || \
	((GET_MEDIUM_TYPE(_medium)) == LM_MEDIUM_TYPE_UMAC_LOOPBACK) || \
	((GET_MEDIUM_TYPE(_medium)) == LM_MEDIUM_TYPE_XMAC_LOOPBACK) || \
	((GET_MEDIUM_TYPE(_medium)) == LM_MEDIUM_TYPE_EXT_LOOPBACK) || \
	((GET_MEDIUM_TYPE(_medium)) == LM_MEDIUM_TYPE_EXT_PHY_LOOPBACK) || \
	((GET_MEDIUM_TYPE(_medium)) == LM_MEDIUM_TYPE_SERDES_LOOPBACK) || \
	((GET_MEDIUM_TYPE(_medium)) == LM_MEDIUM_TYPE_XGXS_LOOPBACK) || \
	((GET_MEDIUM_TYPE(_medium)) == LM_MEDIUM_TYPE_XGXS_10_LOOPBACK) || \
	((GET_MEDIUM_TYPE(_medium)) == LM_MEDIUM_TYPE_PHY_LOOPBACK) || \
	((GET_MEDIUM_TYPE(_medium)) == LM_MEDIUM_TYPE_MAC_LOOPBACK))

#define	LM_MEDIUM_SPEED_AUTONEG			0x0000

#define	LM_MEDIUM_SPEED_UNKNOWN			0x0000
#define	LM_MEDIUM_SPEED_10MBPS			0x0100
#define	LM_MEDIUM_SPEED_100MBPS			0x0200
#define	LM_MEDIUM_SPEED_1000MBPS		0x0300
#define	LM_MEDIUM_SPEED_2500MBPS		0x0400
#define	LM_MEDIUM_SPEED_10GBPS			0x0600
#define	LM_MEDIUM_SPEED_12GBPS			0x0700
#define	LM_MEDIUM_SPEED_12_5GBPS		0x0800
#define	LM_MEDIUM_SPEED_13GBPS			0x0900
#define	LM_MEDIUM_SPEED_15GBPS			0x0a00
#define	LM_MEDIUM_SPEED_16GBPS			0x0b00
#define	LM_MEDIUM_SPEED_20GBPS			0x0c00
#define	LM_MEDIUM_SPEED_25GBPS			0x0d00
#define	LM_MEDIUM_SPEED_40GBPS			0x0e00
#define	LM_MEDIUM_SPEED_50GBPS			0x0f00
#define	LM_MEDIUM_SPEED_SEQ_START		0x1d00  // 100Mbps
#define	LM_MEDIUM_SPEED_SEQ_END			0xE400  // 20Gbps
#define	LM_MEDIUM_SPEED_AUTONEG_1G_FALLBACK	0xFD00  /* Serdes */
#define	LM_MEDIUM_SPEED_AUTONEG_2_5G_FALLBACK	0xFE00  /* Serdes */
#define	LM_MEDIUM_SPEED_HARDWARE_DEFAULT	0xff00  /* Serdes nvram def. */
#define	LM_MEDIUM_SPEED_MASK			0xff00
#define	GET_MEDIUM_SPEED(m)			((m) & LM_MEDIUM_SPEED_MASK)
#define	SET_MEDIUM_SPEED(m, s) \
	(m) = ((m) & ~LM_MEDIUM_SPEED_MASK) | (s)

#define	LM_MEDIUM_FULL_DUPLEX		0x00000
#define	LM_MEDIUM_HALF_DUPLEX		0x10000
#define	GET_MEDIUM_DUPLEX(m)		((m) & LM_MEDIUM_HALF_DUPLEX)
#define	SET_MEDIUM_DUPLEX(m, d) \
	(m) = ((m) & ~LM_MEDIUM_HALF_DUPLEX) | (d)

#define	LM_MEDIUM_SELECTIVE_AUTONEG		0x01000000
#define	GET_MEDIUM_AUTONEG_MODE(m)		((m) & 0xff000000)

typedef struct _lm_link_settings_t
{
	u32_t flag;
#define	LINK_FLAG_SELECTIVE_AUTONEG_MASK			0x0f
#define	LINK_FLAG_SELECTIVE_AUTONEG_ONE_SPEED			0x01
#define	LINK_FLAG_SELECTIVE_AUTONEG_ENABLE_SLOWER_SPEEDS	0x02
#define	LINK_FLAG_WIRE_SPEED					0x10

	lm_medium_t req_medium;
	lm_flow_control_t flow_ctrl;

	u32_t _reserved;
} lm_link_settings_t;



/*
 * Power state.
 */

typedef enum
{
	LM_POWER_STATE_D0 = 0,
	LM_POWER_STATE_D1 = 1,
	LM_POWER_STATE_D2 = 2,
	LM_POWER_STATE_D3 = 3
} lm_power_state_t;



/*
 * offloading.
 */

typedef u32_t lm_offload_t;

#define	LM_OFFLOAD_NONE			0x00000000
#define	LM_OFFLOAD_TX_IP_CKSUM		0x00000001
#define	LM_OFFLOAD_RX_IP_CKSUM		0x00000002
#define	LM_OFFLOAD_TX_TCP_CKSUM		0x00000004
#define	LM_OFFLOAD_RX_TCP_CKSUM		0x00000008
#define	LM_OFFLOAD_TX_UDP_CKSUM		0x00000010
#define	LM_OFFLOAD_RX_UDP_CKSUM		0x00000020
#define	LM_OFFLOAD_IPV4_TCP_LSO		0x00000040
#define	LM_OFFLOAD_IPV6_TCP_LSO		0x00000080
#define	LM_OFFLOAD_CHIMNEY		0x00000100
#define	LM_OFFLOAD_IPV6_CHIMNEY		0x00000200
#define	LM_OFFLOAD_TX_TCP6_CKSUM	0x00001000
#define	LM_OFFLOAD_RX_TCP6_CKSUM	0x00002000
#define	LM_OFFLOAD_TX_UDP6_CKSUM	0x00004000
#define	LM_OFFLOAD_RX_UDP6_CKSUM	0x00008000
#define	LM_OFFLOAD_RSC_IPV4		0x00010000
#define	LM_OFFLOAD_RSC_IPV6		0x00020000
#define	LM_OFFLOAD_ENCAP_PACKET		0x00040000



/*
 * RSS Hash Types
 */

typedef u32_t lm_rss_hash_t;

#define	LM_RSS_HASH_IPV4		0x00000100
#define	LM_RSS_HASH_TCP_IPV4		0x00000200
#define	LM_RSS_HASH_IPV6		0x00000400
#define	LM_RSS_HASH_IPV6_EX		0x00000800
#define	LM_RSS_HASH_TCP_IPV6		0x00001000
#define	LM_RSS_HASH_TCP_IPV6_EX		0x00002000



/*
 * Chip reset reasons.
 */

typedef enum
{
	LM_REASON_NONE				= 0,
	LM_REASON_DRIVER_RESET			= 1,
	LM_REASON_DRIVER_UNLOAD			= 2,
	LM_REASON_DRIVER_SHUTDOWN		= 3,
	LM_REASON_WOL_SUSPEND			= 4,
	LM_REASON_NO_WOL_SUSPEND		= 5,
	LM_REASON_DIAG				= 6,
	/* Power down phy/serdes */
	LM_REASON_DRIVER_UNLOAD_POWER_DOWN	= 7,
	LM_REASON_ERROR_RECOVERY		= 8
} lm_reason_t;



/*
 * Wake up mode.
 */

typedef u32_t lm_wake_up_mode_t;

#define	LM_WAKE_UP_MODE_NONE		0
#define	LM_WAKE_UP_MODE_MAGIC_PACKET	1
#define	LM_WAKE_UP_MODE_NWUF		2
#define	LM_WAKE_UP_MODE_LINK_CHANGE	4



/*
 * Event code.
 */
typedef enum
{
	LM_EVENT_CODE_LINK_CHANGE		= 0,
	LM_EVENT_CODE_PAUSE_OFFLOAD		= 1,
	LM_EVENT_CODE_RESUME_OFFLOAD		= 2,
	/* For Error Recovery Flow */
	LM_EVENT_CODE_STOP_CHIP_ACCESS		= 3,
	/* For Error Recovery Flow */
	LM_EVENT_CODE_RESTART_CHIP_ACCESS	= 4,
	LM_EVENT_CODE_UPLOAD_ALL		= 5,
	LM_EVENT_CODE_DCBX_OPERA_CHANGE		= 6,
	LM_EVENT_CODE_DCBX_REMOTE_CHANGE	= 7,
	LM_EVENT_CODE_INVALIDATE_VF_BLOCK	= 8,
} lm_event_code_t;


/*
 * Transmit control flags.
 */

typedef u32_t lm_tx_flag_t;

#define	LM_TX_FLAG_INSERT_VLAN_TAG		0x01
#define	LM_TX_FLAG_COMPUTE_IP_CKSUM		0x02
#define	LM_TX_FLAG_COMPUTE_TCP_UDP_CKSUM	0x04
#define	LM_TX_FLAG_TCP_LSO_FRAME		0x08
#define	LM_TX_FLAG_TCP_LSO_SNAP_FRAME		0x10
#define	LM_TX_FLAG_COAL_NOW			0x20
#define	LM_TX_FLAG_DONT_COMPUTE_CRC		0x40
#define	LM_TX_FLAG_SKIP_MBQ_WRITE		0x80
#define	LM_TX_FLAG_IPV6_PACKET			0x100
#define	LM_TX_FLAG_VLAN_TAG_EXISTS		0x200
/*
 * If this flag is set, the firmware will ignore global
 * configuration (except Outer VLAN)and will handle inner Vlan
 * only according to driver instructions on the bd:
 * 1. LM_TX_FLAG_VLAN_TAG_EXISTS.
 * 2. LM_TX_FLAG_INSERT_VLAN_TAG.
 * Note that if set the firmware will not handle default vlan /
 * NIV tag / DCB.
 */
#define	LM_TX_FLAG_FORCE_VLAN_MODE		0x400
/* Encapsulated packet offload flags. */
#define	LM_TX_FLAG_IS_ENCAP_PACKET		0x800
#define	LM_TX_FLAG_ENCAP_PACKET_IS_INNER_IPV6	0x1000

typedef struct _lm_pkt_tx_info_t
{
	lm_tx_flag_t flags;

	u16_t vlan_tag;
	u16_t lso_mss;
	u16_t lso_ip_hdr_len;
	u16_t lso_tcp_hdr_len;
	u32_t lso_payload_len;

	/* Everest only fields. */
	u32_t lso_tcp_send_seq;
	u16_t lso_ipid;
	u16_t tcp_pseudo_csum;
	u8_t  lso_tcp_flags;
	u8_t  tcp_nonce_sum_bit;
	u16_t fw_ip_csum;

	u8_t dst_mac_addr[8];
	s8_t cs_any_offset;
	u8_t src_mac_addr[8];
	u8_t _unused1;
	u8_t eth_type[4];

	/*
	 * Encapsulated packet offsets.  These fields are only valid when
	 * LM_TX_FLAG_IS_ENCAP_PACKET is set.
	 */
	u8_t  encap_packet_inner_frame_offset;
	u8_t  encap_packet_inner_ip_relative_offset;
	u16_t encap_packet_inner_tcp_relative_offset;
} lm_pkt_tx_info_t;



/*
 * Receive control flags.
 */

typedef u32_t lm_rx_flag_t;

#define	LM_RX_FLAG_VALID_VLAN_TAG		0x00000001
#define	LM_RX_FLAG_VALID_HASH_VALUE		0x00000010

#define	LM_RX_FLAG_IS_IPV4_DATAGRAM		0x00000100
#define	LM_RX_FLAG_IS_IPV6_DATAGRAM		0x00000200
#define	LM_RX_FLAG_IP_CKSUM_IS_GOOD		0x00000400
#define	LM_RX_FLAG_IP_CKSUM_IS_BAD		0x00000800

#define	LM_RX_FLAG_IS_UDP_DATAGRAM		0x00001000
#define	LM_RX_FLAG_UDP_CKSUM_IS_GOOD		0x00002000
#define	LM_RX_FLAG_UDP_CKSUM_IS_BAD		0x00004000

#define	LM_RX_FLAG_IS_TCP_SEGMENT		0x00010000
#define	LM_RX_FLAG_TCP_CKSUM_IS_GOOD		0x00020000
#define	LM_RX_FLAG_TCP_CKSUM_IS_BAD		0x00040000
#define	LM_RX_FLAG_START_RSC_TPA		0x00080000

#define	LM_RX_FLAG_HASH_TYPE_IPV4		0x00100000
#define	LM_RX_FLAG_HASH_TYPE_TCP_IPV4		0x00200000
#define	LM_RX_FLAG_HASH_TYPE_IPV6		0x00400000
#define	LM_RX_FLAG_HASH_TYPE_TCP_IPV6		0x00800000
#define	LM_RX_FLAG_HASH_TYPE_MASK		0x00f00000

typedef struct _lm_pkt_rx_info_t
{
	lm_rx_flag_t flags;

	u32_t size;

	u16_t vlan_tag;
	u16_t _pad;

	/*
	 * Virtual address corresponding to the first byte of the first SGL
	 * entry.  This is the starting location of the packet which may begin
	 * with some control information.
	 */
	u8_t *mem_virt;
	u32_t mem_size;

	/* these fields only valid when LM_RX_FLAG_START_RSC_TPA is set */
	u16_t coal_seg_cnt;
	u16_t dup_ack_cnt;
	u32_t ts_delta;  /* valid when timestamp is enabled */
	/*
	 * if the packet is RSC, this field will hold the total size of the
	 * RSC SCU
	 */
	u32_t total_packet_size;

	u32_t unused;
} lm_pkt_rx_info_t;



/*
 * various type of counters.
 */

typedef enum
{
	LM_STATS_BASE				= 0x686b3000,
	LM_STATS_FRAMES_XMITTED_OK		= 0x686b3001,
	LM_STATS_FRAMES_RECEIVED_OK		= 0x686b3002,
	LM_STATS_ERRORED_TRANSMIT_CNT		= 0x686b3003,
	LM_STATS_ERRORED_RECEIVE_CNT		= 0x686b3004,
	LM_STATS_RCV_CRC_ERROR			= 0x686b3005,
	LM_STATS_ALIGNMENT_ERROR		= 0x686b3006,
	LM_STATS_SINGLE_COLLISION_FRAMES	= 0x686b3007,
	LM_STATS_MULTIPLE_COLLISION_FRAMES	= 0x686b3008,
	LM_STATS_FRAMES_DEFERRED		= 0x686b3009,
	LM_STATS_MAX_COLLISIONS			= 0x686b300a,
	LM_STATS_RCV_OVERRUN			= 0x686b300b,
	LM_STATS_XMIT_UNDERRUN			= 0x686b300c,
	LM_STATS_UNICAST_FRAMES_XMIT		= 0x686b300d,
	LM_STATS_MULTICAST_FRAMES_XMIT		= 0x686b300e,
	LM_STATS_BROADCAST_FRAMES_XMIT		= 0x686b300f,
	LM_STATS_UNICAST_FRAMES_RCV		= 0x686b3010,
	LM_STATS_MULTICAST_FRAMES_RCV		= 0x686b3011,
	LM_STATS_BROADCAST_FRAMES_RCV		= 0x686b3012,
	LM_STATS_RCV_NO_BUFFER_DROP		= 0x686b3013,
	LM_STATS_BYTES_RCV			= 0x686b3014,
	LM_STATS_BYTES_XMIT			= 0x686b3015,
	LM_STATS_IP4_OFFLOAD			= 0x686b3016,
	LM_STATS_TCP_OFFLOAD			= 0x686b3017,
	LM_STATS_IF_IN_DISCARDS			= 0x686b3018,
	LM_STATS_IF_IN_ERRORS			= 0x686b3019,
	LM_STATS_IF_OUT_ERRORS			= 0x686b301a,
	LM_STATS_IP6_OFFLOAD			= 0x686b301b,
	LM_STATS_TCP6_OFFLOAD			= 0x686b301c,
	LM_STATS_XMIT_DISCARDS			= 0x686b301d,
	LM_STATS_DIRECTED_BYTES_RCV		= 0x686b301e,
	LM_STATS_MULTICAST_BYTES_RCV		= 0x686b301f,
	LM_STATS_BROADCAST_BYTES_RCV		= 0x686b3020,
	LM_STATS_DIRECTED_BYTES_XMIT		= 0x686b3021,
	LM_STATS_MULTICAST_BYTES_XMIT		= 0x686b3022,
	LM_STATS_BROADCAST_BYTES_XMIT		= 0x686b3023,
} lm_stats_t;

#define	NUM_OF_LM_STATS		36


/*
 * 64-bit value.
 */

typedef union _lm_u64_t
{
	struct _lm_u64_as_u32_t
	{
#ifdef BIG_ENDIAN_HOST
		u32_t high;
		u32_t low;
#else
		u32_t low;
		u32_t high;
#endif
	} as_u32;

	u64_t as_u64;

	void *as_ptr;
} lm_u64_t;


typedef lm_u64_t lm_address_t;


/* 64-bit increment.  The second argument is a 32-bit value. */
#define	LM_INC64(result, addend32)			\
	{						\
		u32_t low;				\
							\
		low = (result)->as_u32.low;		\
		(result)->as_u32.low += (addend32);	\
		if ((result)->as_u32.low < low)		\
		{					\
		    (result)->as_u32.high++;		\
		}					\
	}


/* 64-bit decrement.  The second argument is a 32-bit value. */
#define	LM_DEC64(result, addend32)			\
	{						\
		u32_t low;				\
							\
		low = (result)->as_u32.low;		\
		(result)->as_u32.low -= (addend32);	\
		if ((result)->as_u32.low > low)		\
		{					\
			(result)->as_u32.high--;	\
		}					\
	}

/*
 * IP4 and TCP offload stats.
 */

typedef struct _lm_ip4_offload_stats_t
{
    u64_t in_receives;
    u64_t in_delivers;
    u64_t out_requests;
    u32_t in_header_errors;
    u32_t in_discards;
    u32_t out_discards;
    u32_t out_no_routes;

    u32_t _pad[8];
} lm_ip4_offload_stats_t;


typedef struct _lm_tcp_offload_stats_t
{
    u64_t in_segments;
    u64_t out_segments;
    u32_t retran_segments;
    u32_t in_errors;
    u32_t out_resets;

    u32_t _pad[8];
} lm_tcp_offload_stats_t;



/*
 * Host to network order conversion.
 */

#ifdef BIG_ENDIAN_HOST

#ifndef	HTON16
#define	HTON16(_val16)	(_val16)
#endif
#ifndef	HTON32
#define	HTON32(_val32)	(_val32)
#ifndef	NTOH16
#endif
#define	NTOH16(_val16)	(_val16)
#endif
#ifndef	NTOH32
#define	NTOH32(_val32)	(_val32)
#endif

#else

#ifndef	HTON16
#define	HTON16(_val16)	(((_val16 & 0xff00) >> 8) | ((_val16 & 0xff) << 8))
#endif
#ifndef	HTON32
#define	HTON32(_val32)	((HTON16(_val32) << 16) | (HTON16(_val32 >> 16)))
#endif
#ifndef	NTOH16
#define	NTOH16(_val16)	HTON16(_val16)
#endif
#ifndef	NTOH32
#define	NTOH32(_val32)	HTON32(_val32)
#endif

#endif



/*
 * Fragment structure.
 */

typedef struct _lm_frag_t
{
    lm_address_t addr;
    u32_t size;
    u32_t _reserved;
} lm_frag_t;

typedef struct _lm_frag_list_t
{
    u32_t cnt;
    u32_t size;

    lm_frag_t frag_arr[1];
} lm_frag_list_t;

/* a macro for declaring 'lm_frag_list_t' with various array sizes. */
#define	DECLARE_FRAG_LIST_BUFFER_TYPE(_FRAG_LIST_TYPE_NAME, _MAX_FRAG_CNT) \
	typedef struct _##_FRAG_LIST_TYPE_NAME				\
	{								\
		lm_frag_list_t list;					\
		lm_frag_t frag_arr[_MAX_FRAG_CNT-1];			\
	} _FRAG_LIST_TYPE_NAME

/*
 * DCBX indicate event parameters.
 */
typedef enum _dcb_condition_selector_t
{
    DCB_CONDITION_RESERVED,
    DCB_CONDITION_DEFAULT,
    DCB_CONDITION_TCP_PORT,
    DCB_CONDITION_UDP_PORT,
    DCB_CONDITION_TCP_OR_UDP_PORT,
    DCB_CONDITION_ETHERTYPE,
    DCB_CONDITION_NETDIRECT_PORT,
    DCB_CONDITION_MAX,
}dcb_condition_selector_t;

typedef enum _action_selector_t
{
    DCB_ACTION_PRIORITY,
    DCB_ACTION_MAX,
} action_selector_t;

typedef struct _dcb_classif_elem_t
{
    u32_t flags;
#define	DCB_CLASSIF_ENFORCED_BY_VBD	0x1
    dcb_condition_selector_t condition_selector;
    u16_t condition_field;
    action_selector_t action_selector;
    u16_t action_field;
}dcb_classif_elem_t;

typedef enum _dcb_classif_version_t
{
    DCB_CLASSIFI_VER_SIMPLE_ELEM,
    DCB_CLASSIFI_VER_SIMPLE_ELEM_MAX,
}dcb_classif_version_t;

typedef struct _dcb_classif_params_t
{
    u16_t num_classif_elements;
    u16_t _pad;
    dcb_classif_version_t classif_version;
    void *classif_table;
}dcb_classif_params_t;

typedef struct _dcb_pfc_param_t
{
    u32_t pfc_enable;
#define	DCB_PFC_MAX_BIT_ENABLE_MASK	(0xFF)
}dcb_pfc_param_t;

typedef enum _tsa_assignment
{
    TSA_ASSIGNMENT_DCB_TSA_STRICT,
    TSA_ASSIGNMENT_DCB_TSA_CBS,
    TSA_ASSIGNMENT_DCB_TSA_ETS,
} tsa_assignment;

typedef struct _dcb_ets_tsa_param_t
{
    u32_t num_traffic_classes;
    u8_t priority_assignment_table[8];
    u8_t tc_bw_assignment_table[8];
    tsa_assignment tsa_assignment_table[8];
} dcb_ets_tsa_param_t;

typedef struct _dcb_indicate_event_params_t
{
    u32_t flags;
#define	DCB_PARAMS_ETS_ENABLED		0x00000001
#define	DCB_PARAMS_ETS_CHANGED		0x00000002
#define	DCB_PARAMS_PFC_ENABLED		0x00000004
#define	DCB_PARAMS_PFC_CHANGED		0x00000008
#define	DCB_PARAMS_CLASSIF_ENABLED	0x00000020
#define	DCB_PARAMS_CLASSIF_CHANGED	0x00000040
#define	DCB_PARAMS_WILLING		0x00000080

    dcb_ets_tsa_param_t ets_params;
    dcb_pfc_param_t pfc_params;
    dcb_classif_params_t classif_params;
    u32_t reserved[4];
} dcb_indicate_event_params_t;

/*
 * Macro fore calculating the address of the base of the structure given its
 * type, and an address of a field within the structure.
 */

#define	GET_CONTAINING_RECORD(address, type, field) \
	((type *)((u8_t *)(address) - (u8_t *)(&((type *)0)->field)))



/*
 * Simple macros.
 */

#define	IS_ETH_BROADCAST(eth_addr)					\
	(((unsigned char *) (eth_addr))[0] == ((unsigned char) 0xff))

#define	IS_ETH_MULTICAST(eth_addr)					\
	(((unsigned char *) (eth_addr))[0] & ((unsigned char) 0x01))

#define	IS_ETH_ADDRESS_EQUAL(eth_addr1, eth_addr2)			\
	((((unsigned char *) (eth_addr1))[0] ==				\
	((unsigned char *) (eth_addr2))[0]) &&				\
	(((unsigned char *) (eth_addr1))[1] ==				\
	((unsigned char *) (eth_addr2))[1]) &&				\
	(((unsigned char *) (eth_addr1))[2] ==				\
	((unsigned char *) (eth_addr2))[2]) &&				\
	(((unsigned char *) (eth_addr1))[3] ==				\
	((unsigned char *) (eth_addr2))[3]) &&				\
	(((unsigned char *) (eth_addr1))[4] ==				\
	((unsigned char *) (eth_addr2))[4]) &&				\
	(((unsigned char *) (eth_addr1))[5] ==				\
	((unsigned char *) (eth_addr2))[5]))

#define	COPY_ETH_ADDRESS(src, dst)					\
	((unsigned char *) (dst))[0] = ((unsigned char *) (src))[0];	\
	((unsigned char *) (dst))[1] = ((unsigned char *) (src))[1];	\
	((unsigned char *) (dst))[2] = ((unsigned char *) (src))[2];	\
	((unsigned char *) (dst))[3] = ((unsigned char *) (src))[3];	\
	((unsigned char *) (dst))[4] = ((unsigned char *) (src))[4];	\
	((unsigned char *) (dst))[5] = ((unsigned char *) (src))[5];

#ifdef __cplusplus
}
#endif

#endif /* _LM_DEFS_H */