Current File : //usr/include/ecp.h

/*
 * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
 */

#ifndef _SYS_ECP_H
#define	_SYS_ECP_H

#ifdef	__cplusplus
extern "C" {
#endif

#include <sys/types.h>
#include <sys/ethernet.h>
#include <lldp.h>

#define	ECP_VDP	0x0001

#define	ECP_MAX_PDULEN	1500

#define	ECP_VERSION	0x1

#define	ECP_VER_MASK		0xF
#define	ECP_OP_MASK		0x3
#define	ECP_SUBTYPE_MASK	0x3FF

#define	ECP_VER_SHIFT		12
#define	ECP_OP_SHIFT		10
#define	ECP_SUBTYPE_SHIFT	0

#define	ECP_MAX_TRIES		3
#define	ECP_ACK_TIME_OUT	164  /* timeout in msec */
#define	ECP_RTE_EXPONENT	20

enum ecp_op_type {
	ECP_REQ = 0,
	ECP_ACK
};

/* ECP Statistcs */
typedef struct ecp_stat_s {
	uint64_t	es_ipkts;
	uint64_t	es_ierrors;
	uint64_t	es_opkts;
	uint64_t	es_oerrors;
	uint64_t	es_rexmits;
	uint64_t	es_timeouts;
} ecp_stat_t;

typedef struct ecp_timers_s {
	int	et_r;	/* Maximum retries */
	int	et_rte;	/* Exponent for computing Retransmission interval */
} ecp_timers_t;

/* ECP config info */
typedef struct ecp_config_s {
	ushort_t	ecpc_req_seq;
	ushort_t	ecpc_ack_seq;
	ushort_t	ecpc_last_ack_seq;
	int		ecpc_max_tx_attempts;
} ecp_config_t;

typedef void (*ecp_ulp_cb_t)(void *, ushort_t, ushort_t, char *, int);

#define	ECP_STDERR_LOG	1
#define	ECP_SYS_LOG	2

extern void * ecp_init(struct ether_addr *, struct ether_addr *,
    uint16_t, int, int, ecp_ulp_cb_t, void *, int, int *);
extern void ecp_fini(void *);
extern int ecp_offset(void);
extern boolean_t ecp_send(void *, char *, int);
extern void ecp_stats(void *, ecp_stat_t *);
extern void ecp_timers(ecp_timers_t *);
extern void ecp_get_config(void *, ecp_config_t *);

#ifdef	__cplusplus
}
#endif

#endif /* _SYS_ECP_H */