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/*

 *      i2o_lan.h                       I2O LAN Class definitions

 *

 *      I2O LAN CLASS OSM               May 26th 2000

 *

 *      (C) Copyright 1999, 2000        University of Helsinki,

 *                                      Department of Computer Science

 *

 *      This code is still under development / test.

 *

 *      Author:         Auvo Häkkinen <Auvo.Hakkinen@cs.Helsinki.FI>

 *                      Juha Sievänen <Juha.Sievanen@cs.Helsinki.FI>

 *                      Taneli Vähäkangas <Taneli.Vahakangas@cs.Helsinki.FI>

 */

#ifndef _I2O_LAN_H

#define _I2O_LAN_H

/* Default values for tunable parameters first */

#define I2O_LAN_MAX_BUCKETS_OUT 96

#define I2O_LAN_BUCKET_THRESH   18      /* 9 buckets in one message */

#define I2O_LAN_RX_COPYBREAK    200

#define I2O_LAN_TX_TIMEOUT      (1*HZ)

#define I2O_LAN_TX_BATCH_MODE   2       /* 2=automatic, 1=on, 0=off */

#define I2O_LAN_EVENT_MASK      0        /* 0=None, 0xFFC00002=All */

/* LAN types */

#define I2O_LAN_ETHERNET        0x0030

#define I2O_LAN_100VG           0x0040

#define I2O_LAN_TR              0x0050

#define I2O_LAN_FDDI            0x0060

#define I2O_LAN_FIBRE_CHANNEL   0x0070

#define I2O_LAN_UNKNOWN         0x00000000

/* Connector types */

/* Ethernet */

#define I2O_LAN_AUI             (I2O_LAN_ETHERNET << 4) + 0x00000001

#define I2O_LAN_10BASE5         (I2O_LAN_ETHERNET << 4) + 0x00000002

#define I2O_LAN_FIORL           (I2O_LAN_ETHERNET << 4) + 0x00000003

#define I2O_LAN_10BASE2         (I2O_LAN_ETHERNET << 4) + 0x00000004

#define I2O_LAN_10BROAD36       (I2O_LAN_ETHERNET << 4) + 0x00000005

#define I2O_LAN_10BASE_T        (I2O_LAN_ETHERNET << 4) + 0x00000006

#define I2O_LAN_10BASE_FP       (I2O_LAN_ETHERNET << 4) + 0x00000007

#define I2O_LAN_10BASE_FB       (I2O_LAN_ETHERNET << 4) + 0x00000008

#define I2O_LAN_10BASE_FL       (I2O_LAN_ETHERNET << 4) + 0x00000009

#define I2O_LAN_100BASE_TX      (I2O_LAN_ETHERNET << 4) + 0x0000000A

#define I2O_LAN_100BASE_FX      (I2O_LAN_ETHERNET << 4) + 0x0000000B

#define I2O_LAN_100BASE_T4      (I2O_LAN_ETHERNET << 4) + 0x0000000C

#define I2O_LAN_1000BASE_SX     (I2O_LAN_ETHERNET << 4) + 0x0000000D

#define I2O_LAN_1000BASE_LX     (I2O_LAN_ETHERNET << 4) + 0x0000000E

#define I2O_LAN_1000BASE_CX     (I2O_LAN_ETHERNET << 4) + 0x0000000F

#define I2O_LAN_1000BASE_T      (I2O_LAN_ETHERNET << 4) + 0x00000010

/* AnyLAN */

#define I2O_LAN_100VG_ETHERNET  (I2O_LAN_100VG << 4) + 0x00000001

#define I2O_LAN_100VG_TR        (I2O_LAN_100VG << 4) + 0x00000002

/* Token Ring */

#define I2O_LAN_4MBIT           (I2O_LAN_TR << 4) + 0x00000001

#define I2O_LAN_16MBIT          (I2O_LAN_TR << 4) + 0x00000002

/* FDDI */

#define I2O_LAN_125MBAUD        (I2O_LAN_FDDI << 4) + 0x00000001

/* Fibre Channel */

#define I2O_LAN_POINT_POINT     (I2O_LAN_FIBRE_CHANNEL << 4) + 0x00000001

#define I2O_LAN_ARB_LOOP        (I2O_LAN_FIBRE_CHANNEL << 4) + 0x00000002

#define I2O_LAN_PUBLIC_LOOP     (I2O_LAN_FIBRE_CHANNEL << 4) + 0x00000003

#define I2O_LAN_FABRIC          (I2O_LAN_FIBRE_CHANNEL << 4) + 0x00000004

#define I2O_LAN_EMULATION       0x00000F00

#define I2O_LAN_OTHER           0x00000F01

#define I2O_LAN_DEFAULT         0xFFFFFFFF

/* LAN class functions */

#define LAN_PACKET_SEND         0x3B

#define LAN_SDU_SEND            0x3D

#define LAN_RECEIVE_POST        0x3E

#define LAN_RESET               0x35

#define LAN_SUSPEND             0x37

/* LAN DetailedStatusCode defines */

#define I2O_LAN_DSC_SUCCESS                     0x00

#define I2O_LAN_DSC_DEVICE_FAILURE              0x01

#define I2O_LAN_DSC_DESTINATION_NOT_FOUND       0x02

#define I2O_LAN_DSC_TRANSMIT_ERROR              0x03

#define I2O_LAN_DSC_TRANSMIT_ABORTED            0x04

#define I2O_LAN_DSC_RECEIVE_ERROR               0x05

#define I2O_LAN_DSC_RECEIVE_ABORTED             0x06

#define I2O_LAN_DSC_DMA_ERROR                   0x07

#define I2O_LAN_DSC_BAD_PACKET_DETECTED         0x08

#define I2O_LAN_DSC_OUT_OF_MEMORY               0x09

#define I2O_LAN_DSC_BUCKET_OVERRUN              0x0A

#define I2O_LAN_DSC_IOP_INTERNAL_ERROR          0x0B

#define I2O_LAN_DSC_CANCELED                    0x0C

#define I2O_LAN_DSC_INVALID_TRANSACTION_CONTEXT 0x0D

#define I2O_LAN_DSC_DEST_ADDRESS_DETECTED       0x0E

#define I2O_LAN_DSC_DEST_ADDRESS_OMITTED        0x0F

#define I2O_LAN_DSC_PARTIAL_PACKET_RETURNED     0x10

#define I2O_LAN_DSC_SUSPENDED                   0x11

struct i2o_packet_info {

        u32 offset : 24;

        u32 flags  : 8;

        u32 len    : 24;

        u32 status : 8;

};

struct i2o_bucket_descriptor {

        u32 context;                    /* FIXME: 64bit support */

        struct i2o_packet_info packet_info[1];

};

/* Event Indicator Mask Flags for LAN OSM */

#define I2O_LAN_EVT_LINK_DOWN           0x01

#define I2O_LAN_EVT_LINK_UP             0x02

#define I2O_LAN_EVT_MEDIA_CHANGE        0x04

#include <linux/netdevice.h>

#include <linux/fddidevice.h>

struct i2o_lan_local {

        u8 unit;

        struct i2o_device *i2o_dev;

        struct fddi_statistics stats;   /* see also struct net_device_stats */

        unsigned short (*type_trans)(struct sk_buff *, struct net_device *);

        atomic_t buckets_out;           /* nbr of unused buckets on DDM */

        atomic_t tx_out;                /* outstanding TXes */

        u8 tx_count;                    /* packets in one TX message frame */

        u16 tx_max_out;                 /* DDM's Tx queue len */

        u8 sgl_max;                     /* max SGLs in one message frame */

        u32 m;                          /* IOP address of the batch msg frame */

        struct tq_struct i2o_batch_send_task;

        int send_active;

        struct sk_buff **i2o_fbl;       /* Free bucket list (to reuse skbs) */

        int i2o_fbl_tail;

        spinlock_t fbl_lock;

        spinlock_t tx_lock;

        u32 max_size_mc_table;          /* max number of multicast addresses */

        /* LAN OSM configurable parameters are here: */

        u16 max_buckets_out;            /* max nbr of buckets to send to DDM */

        u16 bucket_thresh;              /* send more when this many used */

        u16 rx_copybreak;

        u8  tx_batch_mode;              /* Set when using batch mode sends */

        u32 i2o_event_mask;             /* To turn on interesting event flags */

};

#endif /* _I2O_LAN_H */