xref: /openbmc/linux/drivers/net/fddi/skfp/h/smtstate.h (revision 75bf465f0bc33e9b776a46d6a1b9b990f5fb7c37)

/* SPDX-License-Identifier: GPL-2.0-or-later */
/******************************************************************************
 *
 *	(C)Copyright 1998,1999 SysKonnect,
 *	a business unit of Schneider & Koch & Co. Datensysteme GmbH.
 *
 *	The information in this file is provided "AS IS" without warranty.
 *
 ******************************************************************************/

#ifndef _SKFP_H_SMTSTATE_H_
#define _SKFP_H_SMTSTATE_H_

/*
 *	SMT state definitions
 */

#ifndef	KERNEL
/*
 * PCM states
 */
#define PC0_OFF			0
#define PC1_BREAK		1
#define PC2_TRACE		2
#define PC3_CONNECT		3
#define PC4_NEXT		4
#define PC5_SIGNAL		5
#define PC6_JOIN		6
#define PC7_VERIFY		7
#define PC8_ACTIVE		8
#define PC9_MAINT		9

/*
 * PCM modes
 */
#define PM_NONE			0
#define PM_PEER			1
#define PM_TREE			2

/*
 * PCM type
 */
#define TA			0
#define TB			1
#define TS			2
#define TM			3
#define TNONE			4

/*
 * CFM states
 */
#define SC0_ISOLATED	0		/* isolated */
#define SC1_WRAP_A	5		/* wrap A */
#define SC2_WRAP_B	6		/* wrap B */
#define SC4_THRU_A	12		/* through A */
#define SC5_THRU_B	7		/* through B (SMt 6.2) */
#define SC7_WRAP_S	8		/* SAS */

/*
 * ECM states
 */
#define EC0_OUT		0
#define EC1_IN		1
#define EC2_TRACE	2
#define EC3_LEAVE	3
#define EC4_PATH_TEST	4
#define EC5_INSERT	5
#define EC6_CHECK	6
#define EC7_DEINSERT	7

/*
 * RMT states
 */
#define RM0_ISOLATED	0
#define RM1_NON_OP	1		/* not operational */
#define RM2_RING_OP	2		/* ring operational */
#define RM3_DETECT	3		/* detect dupl addresses */
#define RM4_NON_OP_DUP	4		/* dupl. addr detected */
#define RM5_RING_OP_DUP	5		/* ring oper. with dupl. addr */
#define RM6_DIRECTED	6		/* sending directed beacons */
#define RM7_TRACE	7		/* trace initiated */
#endif

struct pcm_state {
	unsigned char	pcm_type ;		/* TA TB TS TM */
	unsigned char	pcm_state ;		/* state PC[0-9]_* */
	unsigned char	pcm_mode ;		/* PM_{NONE,PEER,TREE} */
	unsigned char	pcm_neighbor ;		/* TA TB TS TM */
	unsigned char	pcm_bsf ;		/* flag bs : TRUE/FALSE */
	unsigned char	pcm_lsf ;		/* flag ls : TRUE/FALSE */
	unsigned char	pcm_lct_fail ;		/* counter lct_fail */
	unsigned char	pcm_ls_rx ;		/* rx line state */
	short		pcm_r_val ;		/* signaling bits */
	short		pcm_t_val ;		/* signaling bits */
} ;

struct smt_state {
	struct pcm_state pcm_state[NUMPHYS] ;	/* port A & port B */
} ;

#endif