drivers/scsi/bfa/include/defs/bfa_defs_pport.h

/*
 * Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
 * All rights reserved
 * www.brocade.com
 *
 * Linux driver for Brocade Fibre Channel Host Bus Adapter.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License (GPL) Version 2 as
 * published by the Free Software Foundation
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 */

#ifndef __BFA_DEFS_PPORT_H__
#define __BFA_DEFS_PPORT_H__

#include <bfa_os_inc.h>
#include <protocol/fc.h>
#include <defs/bfa_defs_types.h>
#include <defs/bfa_defs_qos.h>
#include <cna/pstats/phyport_defs.h>

/* Modify char* port_stt[] in bfal_port.c if a new state was added */
enum bfa_pport_states {
	BFA_PPORT_ST_UNINIT 		= 1,
	BFA_PPORT_ST_ENABLING_QWAIT 	= 2,
	BFA_PPORT_ST_ENABLING 		= 3,
	BFA_PPORT_ST_LINKDOWN 		= 4,
	BFA_PPORT_ST_LINKUP 		= 5,
	BFA_PPORT_ST_DISABLING_QWAIT 	= 6,
	BFA_PPORT_ST_DISABLING		= 7,
	BFA_PPORT_ST_DISABLED 		= 8,
	BFA_PPORT_ST_STOPPED 		= 9,
	BFA_PPORT_ST_IOCDOWN 		= 10,
	BFA_PPORT_ST_IOCDIS 		= 11,
	BFA_PPORT_ST_FWMISMATCH		= 12,
	BFA_PPORT_ST_PREBOOT_DISABLED   = 13,
	BFA_PPORT_ST_MAX_STATE,
};

/**
 * 	Port speed settings. Each specific speed is a bit field. Use multiple
 *      bits to specify speeds to be selected for auto-negotiation.
 */
enum bfa_pport_speed {
	BFA_PPORT_SPEED_UNKNOWN = 0,
	BFA_PPORT_SPEED_1GBPS 	= 1,
	BFA_PPORT_SPEED_2GBPS 	= 2,
	BFA_PPORT_SPEED_4GBPS 	= 4,
	BFA_PPORT_SPEED_8GBPS 	= 8,
	BFA_PPORT_SPEED_10GBPS 	= 10,
	BFA_PPORT_SPEED_AUTO =
		(BFA_PPORT_SPEED_1GBPS | BFA_PPORT_SPEED_2GBPS |
		 BFA_PPORT_SPEED_4GBPS | BFA_PPORT_SPEED_8GBPS),
};

/**
 * 		Port operational type (in sync with SNIA port type).
 */
enum bfa_pport_type {
	BFA_PPORT_TYPE_UNKNOWN = 1,	/*  port type is unknown */
	BFA_PPORT_TYPE_TRUNKED = 2,	/*  Trunked mode */
	BFA_PPORT_TYPE_NPORT   = 5,	/*  P2P with switched fabric */
	BFA_PPORT_TYPE_NLPORT  = 6,	/*  public loop */
	BFA_PPORT_TYPE_LPORT   = 20,	/*  private loop */
	BFA_PPORT_TYPE_P2P     = 21,	/*  P2P with no switched fabric */
	BFA_PPORT_TYPE_VPORT   = 22,	/*  NPIV - virtual port */
};

/**
 * 		Port topology setting. A port's topology and fabric login status
 * 		determine its operational type.
 */
enum bfa_pport_topology {
	BFA_PPORT_TOPOLOGY_NONE = 0,	/*  No valid topology */
	BFA_PPORT_TOPOLOGY_P2P  = 1,	/*  P2P only */
	BFA_PPORT_TOPOLOGY_LOOP = 2,	/*  LOOP topology */
	BFA_PPORT_TOPOLOGY_AUTO = 3,	/*  auto topology selection */
};

/**
 * 		Physical port loopback types.
 */
enum bfa_pport_opmode {
	BFA_PPORT_OPMODE_NORMAL   = 0x00, /*  normal non-loopback mode */
	BFA_PPORT_OPMODE_LB_INT   = 0x01, /*  internal loop back */
	BFA_PPORT_OPMODE_LB_SLW   = 0x02, /*  serial link wrapback (serdes) */
	BFA_PPORT_OPMODE_LB_EXT   = 0x04, /*  external loop back (serdes) */
	BFA_PPORT_OPMODE_LB_CBL   = 0x08, /*  cabled loop back */
	BFA_PPORT_OPMODE_LB_NLINT = 0x20, /*  NL_Port internal loopback */
};

#define BFA_PPORT_OPMODE_LB_HARD(_mode)			\
	((_mode == BFA_PPORT_OPMODE_LB_INT) ||		\
     (_mode == BFA_PPORT_OPMODE_LB_SLW) ||		\
     (_mode == BFA_PPORT_OPMODE_LB_EXT))

/**
		Port State (in sync with SNIA port state).
 */
enum bfa_pport_snia_state {
	BFA_PPORT_STATE_UNKNOWN  = 1,	/*  port is not initialized */
	BFA_PPORT_STATE_ONLINE   = 2,	/*  port is ONLINE */
	BFA_PPORT_STATE_DISABLED = 3,	/*  port is disabled by user */
	BFA_PPORT_STATE_BYPASSED = 4,	/*  port is bypassed (in LOOP) */
	BFA_PPORT_STATE_DIAG     = 5,	/*  port diagnostics is active */
	BFA_PPORT_STATE_LINKDOWN = 6,	/*  link is down */
	BFA_PPORT_STATE_LOOPBACK = 8,	/*  port is looped back */
};

/**
 * 		Port link state
 */
enum bfa_pport_linkstate {
	BFA_PPORT_LINKUP 	 = 1,	/*  Physical port/Trunk link up */
	BFA_PPORT_LINKDOWN 	 = 2,	/*  Physical port/Trunk link down */
	BFA_PPORT_TRUNK_LINKDOWN = 3,	/*  Trunk link down (new tmaster) */
};

/**
 * 		Port link state event
 */
#define bfa_pport_event_t enum bfa_pport_linkstate

/**
 * 		Port link state reason code
 */
enum bfa_pport_linkstate_rsn {
	BFA_PPORT_LINKSTATE_RSN_NONE		= 0,
	BFA_PPORT_LINKSTATE_RSN_DISABLED 	= 1,
	BFA_PPORT_LINKSTATE_RSN_RX_NOS 		= 2,
	BFA_PPORT_LINKSTATE_RSN_RX_OLS 		= 3,
	BFA_PPORT_LINKSTATE_RSN_RX_LIP 		= 4,
	BFA_PPORT_LINKSTATE_RSN_RX_LIPF7 	= 5,
	BFA_PPORT_LINKSTATE_RSN_SFP_REMOVED 	= 6,
	BFA_PPORT_LINKSTATE_RSN_PORT_FAULT 	= 7,
	BFA_PPORT_LINKSTATE_RSN_RX_LOS 		= 8,
	BFA_PPORT_LINKSTATE_RSN_LOCAL_FAULT 	= 9,
	BFA_PPORT_LINKSTATE_RSN_REMOTE_FAULT 	= 10,
	BFA_PPORT_LINKSTATE_RSN_TIMEOUT 	= 11,



	/* CEE related reason codes/errors */
	CEE_LLDP_INFO_AGED_OUT       = 20,
	CEE_LLDP_SHUTDOWN_TLV_RCVD   = 21,
	CEE_PEER_NOT_ADVERTISE_DCBX  = 22,
	CEE_PEER_NOT_ADVERTISE_PG    = 23,
	CEE_PEER_NOT_ADVERTISE_PFC   = 24,
	CEE_PEER_NOT_ADVERTISE_FCOE  = 25,
	CEE_PG_NOT_COMPATIBLE        = 26,
	CEE_PFC_NOT_COMPATIBLE       = 27,
	CEE_FCOE_NOT_COMPATIBLE      = 28,
	CEE_BAD_PG_RCVD              = 29,
	CEE_BAD_BW_RCVD              = 30,
	CEE_BAD_PFC_RCVD             = 31,
	CEE_BAD_FCOE_PRI_RCVD        = 32,
	CEE_FCOE_PRI_PFC_OFF         = 33,
	CEE_DUP_CONTROL_TLV_RCVD     = 34,
	CEE_DUP_FEAT_TLV_RCVD        = 35,
	CEE_APPLY_NEW_CFG            = 36,	/* reason, not an error */
	CEE_PROTOCOL_INIT            = 37,  /* reason, not an error */
	CEE_PHY_LINK_DOWN            = 38,
	CEE_LLS_FCOE_ABSENT          = 39,
	CEE_LLS_FCOE_DOWN            = 40
};

/**
 *      Default Target Rate Limiting Speed.
 */
#define BFA_PPORT_DEF_TRL_SPEED  BFA_PPORT_SPEED_1GBPS

/**
 *      Physical port configuration
 */
struct bfa_pport_cfg_s {
	u8         topology;	/*  bfa_pport_topology		*/
	u8         speed;		/*  enum bfa_pport_speed	*/
	u8         trunked;	/*  trunked or not		*/
	u8         qos_enabled;	/*  qos enabled or not		*/
	u8         trunk_ports;	/*  bitmap of trunked ports	*/
	u8         cfg_hardalpa;	/*  is hard alpa configured	*/
	u16        maxfrsize;	/*  maximum frame size		*/
	u8         hardalpa;	/*  configured hard alpa	*/
	u8         rx_bbcredit;	/*  receive buffer credits	*/
	u8         tx_bbcredit;	/*  transmit buffer credits	*/
	u8         ratelimit;	/*  ratelimit enabled or not	*/
	u8         trl_def_speed;	/*  ratelimit default speed	*/
	u8		rsvd[3];
	u16   	path_tov;	/*  device path timeout	*/
	u16   	q_depth;	/*  SCSI Queue depth		*/
};

/**
 * 		Port attribute values.
 */
struct bfa_pport_attr_s {
	/*
	 * Static fields
	 */
	wwn_t           nwwn;		/*  node wwn */
	wwn_t           pwwn;		/*  port wwn */
	wwn_t           factorynwwn;    /*  factory node wwn */
	wwn_t           factorypwwn;    /*  factory port wwn */
	enum fc_cos     cos_supported;	/*  supported class of services */
	u32        rsvd;
	struct fc_symname_s    port_symname;	/*  port symbolic name */
	enum bfa_pport_speed speed_supported; /*  supported speeds */
	bfa_boolean_t   pbind_enabled;	/*  Will be set if Persistent binding
					 *   enabled. Relevant only in Windows
					 */

	/*
	 * Configured values
	 */
	struct bfa_pport_cfg_s pport_cfg;	/*  pport cfg */

	/*
	 * Dynamic field - info from BFA
	 */
	enum bfa_pport_states 	port_state;	/*  current port state */
	enum bfa_pport_speed 	speed;		/*  current speed */
	enum bfa_pport_topology 	topology;	/*  current topology */
	bfa_boolean_t		beacon;		/*  current beacon status */
	bfa_boolean_t		link_e2e_beacon;/*  set if link beacon on */
	bfa_boolean_t		plog_enabled;	/*  set if portlog is enabled*/

	/*
	 * Dynamic field - info from FCS
	 */
	u32        	pid;		/*  port ID */
	enum bfa_pport_type 	port_type;	/*  current topology */
	u32        	loopback;	/*  external loopback */
	u32		authfail;	/* auth fail state */
	u32		rsvd2;		/*  padding for 64 bit */
};

/**
 * 		FC Port statistics.
 */
struct bfa_pport_fc_stats_s {
	u64    secs_reset; /* Seconds since stats is reset     */
	u64    tx_frames;  /* Tx frames                */
	u64    tx_words;   /* Tx words                 */
	u64    tx_lip;     /* Tx LIP               */
	u64    tx_nos;     /* Tx NOS               */
	u64    tx_ols;     /* Tx OLS               */
	u64    tx_lr;      /* Tx LR                */
	u64    tx_lrr;     /* Tx LRR               */
	u64    rx_frames;  /* Rx frames                */
	u64    rx_words;   /* Rx words                 */
	u64    lip_count;  /* Rx LIP                   */
	u64    nos_count;  /* Rx NOS               */
	u64    ols_count;  /* Rx OLS               */
	u64    lr_count;   /* Rx LR                */
	u64    lrr_count;  /* Rx LRR               */
	u64    invalid_crcs;   /* Rx CRC err frames            */
	u64    invalid_crc_gd_eof; /* Rx CRC err good EOF frames   */
	u64    undersized_frm; /* Rx undersized frames         */
	u64    oversized_frm;  /* Rx oversized frames          */
	u64    bad_eof_frm;    /* Rx frames with bad EOF       */
	u64    error_frames;   /* Errored frames           */
	u64    dropped_frames; /* Dropped frames           */
	u64    link_failures;  /* Link Failure (LF) count          */
	u64    loss_of_syncs;  /* Loss of sync count           */
	u64    loss_of_signals;/* Loss of signal count         */
	u64    primseq_errs;   /* Primitive sequence protocol err. */
	u64    bad_os_count;   /* Invalid ordered sets         */
	u64    err_enc_out;    /* Encoding err nonframe_8b10b      */
	u64    err_enc;    /* Encoding err frame_8b10b         */
};

/**
 * 		Eth Port statistics.
 */
struct bfa_pport_eth_stats_s {
	u64    secs_reset;   /* Seconds since stats is reset   */
	u64    frame_64;     /* Frames 64 bytes            */
	u64    frame_65_127;     /* Frames 65-127 bytes        */
	u64    frame_128_255;    /* Frames 128-255 bytes       */
	u64    frame_256_511;    /* Frames 256-511 bytes       */
	u64    frame_512_1023;   /* Frames 512-1023 bytes          */
	u64    frame_1024_1518;  /* Frames 1024-1518 bytes         */
	u64    frame_1519_1522;  /* Frames 1519-1522 bytes         */
	u64    tx_bytes;     /* Tx bytes               */
	u64    tx_packets;   /* Tx packets             */
	u64    tx_mcast_packets; /* Tx multicast packets       */
	u64    tx_bcast_packets; /* Tx broadcast packets       */
	u64    tx_control_frame; /* Tx control frame           */
	u64    tx_drop;      /* Tx drops               */
	u64    tx_jabber;    /* Tx jabber              */
	u64    tx_fcs_error;     /* Tx FCS error           */
	u64    tx_fragments;     /* Tx fragments           */
	u64    rx_bytes;     /* Rx bytes               */
	u64    rx_packets;   /* Rx packets             */
	u64    rx_mcast_packets; /* Rx multicast packets       */
	u64    rx_bcast_packets; /* Rx broadcast packets       */
	u64    rx_control_frames; /* Rx control frames         */
	u64    rx_unknown_opcode; /* Rx unknown opcode         */
	u64    rx_drop;      /* Rx drops               */
	u64    rx_jabber;    /* Rx jabber              */
	u64    rx_fcs_error;     /* Rx FCS errors              */
	u64    rx_alignment_error; /* Rx alignment errors          */
	u64    rx_frame_length_error; /* Rx frame len errors       */
	u64    rx_code_error;    /* Rx code errors             */
	u64    rx_fragments;     /* Rx fragments           */
	u64    rx_pause;     /* Rx pause               */
	u64    rx_zero_pause;    /* Rx zero pause              */
	u64    tx_pause;     /* Tx pause               */
	u64    tx_zero_pause;    /* Tx zero pause              */
	u64    rx_fcoe_pause;    /* Rx FCoE pause              */
	u64    rx_fcoe_zero_pause; /* Rx FCoE zero pause       */
	u64    tx_fcoe_pause;    /* Tx FCoE pause              */
	u64    tx_fcoe_zero_pause; /* Tx FCoE zero pause       */
};

/**
 * 		Port statistics.
 */
union bfa_pport_stats_u {
	struct bfa_pport_fc_stats_s	fc;
	struct bfa_pport_eth_stats_s 	eth;
};

/**
 *              Port FCP mappings.
 */
struct bfa_pport_fcpmap_s {
	char		osdevname[256];
	u32	bus;
	u32        target;
	u32        oslun;
	u32        fcid;
	wwn_t           nwwn;
	wwn_t           pwwn;
	u64        fcplun;
	char		luid[256];
};

/**
 *              Port RNI	 */
struct bfa_pport_rnid_s {
	wwn_t             wwn;
	u32          unittype;
	u32          portid;
	u32          attached_nodes_num;
	u16          ip_version;
	u16          udp_port;
	u8           ipaddr[16];
	u16          rsvd;
	u16          topologydiscoveryflags;
};

struct bfa_fcport_fcf_s {
	wwn_t           name;           /* FCF name                 */
	wwn_t           fabric_name;    /* Fabric Name              */
	u8		fipenabled;     /* FIP enabled or not       */
	u8		fipfailed;      /* FIP failed or not        */
	u8         	resv[2];
	u8         	pri;            /* FCF priority             */
	u8         	version;        /* FIP version used         */
	u8         	available;      /* Available  for  login    */
	u8         	fka_disabled;   /* FKA is disabled          */
	u8         	maxsz_verified; /* FCoE max size verified   */
	u8         	fc_map[3];      /* FC map                   */
	u16		vlan;           /* FCoE vlan tag/priority   */
	u32        	fka_adv_per;    /* FIP  ka advert. period   */
	struct mac_s	mac;            /* FCF mac                  */
};

/**
 * 		Link state information
 */
struct bfa_pport_link_s {
	u8         linkstate;	/*  Link state bfa_pport_linkstate */
	u8         linkstate_rsn;	/*  bfa_pport_linkstate_rsn_t */
	u8         topology;	/*  P2P/LOOP bfa_pport_topology */
	u8         speed;		/*  Link speed (1/2/4/8 G) */
	u32        linkstate_opt;	/*  Linkstate optional data (debug) */
	u8         trunked;	/*  Trunked or not (1 or 0) */
	u8         resvd[3];
	struct bfa_qos_attr_s  qos_attr;   /* QoS Attributes */
	union {
		struct bfa_qos_vc_attr_s qos_vc_attr;  /* VC info from ELP */
		struct bfa_fcport_fcf_s fcf;    /* FCF information (for FCoE) */
	} vc_fcf;
};

#endif /* __BFA_DEFS_PPORT_H__ */