160 lines
5.2 KiB
C
160 lines
5.2 KiB
C
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/*
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* i2o_lan.h I2O LAN Class definitions
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*
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* I2O LAN CLASS OSM May 26th 2000
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*
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* (C) Copyright 1999, 2000 University of Helsinki,
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* Department of Computer Science
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*
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* This code is still under development / test.
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*
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* Author: Auvo H<EFBFBD>kkinen <Auvo.Hakkinen@cs.Helsinki.FI>
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* Juha Siev<EFBFBD>nen <Juha.Sievanen@cs.Helsinki.FI>
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* Taneli V<EFBFBD>h<EFBFBD>kangas <Taneli.Vahakangas@cs.Helsinki.FI>
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*/
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#ifndef _I2O_LAN_H
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#define _I2O_LAN_H
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/* Default values for tunable parameters first */
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#define I2O_LAN_MAX_BUCKETS_OUT 96
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#define I2O_LAN_BUCKET_THRESH 18 /* 9 buckets in one message */
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#define I2O_LAN_RX_COPYBREAK 200
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#define I2O_LAN_TX_TIMEOUT (1*HZ)
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#define I2O_LAN_TX_BATCH_MODE 2 /* 2=automatic, 1=on, 0=off */
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#define I2O_LAN_EVENT_MASK 0 /* 0=None, 0xFFC00002=All */
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/* LAN types */
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#define I2O_LAN_ETHERNET 0x0030
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#define I2O_LAN_100VG 0x0040
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#define I2O_LAN_TR 0x0050
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#define I2O_LAN_FDDI 0x0060
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#define I2O_LAN_FIBRE_CHANNEL 0x0070
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#define I2O_LAN_UNKNOWN 0x00000000
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/* Connector types */
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/* Ethernet */
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#define I2O_LAN_AUI (I2O_LAN_ETHERNET << 4) + 0x00000001
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#define I2O_LAN_10BASE5 (I2O_LAN_ETHERNET << 4) + 0x00000002
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#define I2O_LAN_FIORL (I2O_LAN_ETHERNET << 4) + 0x00000003
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#define I2O_LAN_10BASE2 (I2O_LAN_ETHERNET << 4) + 0x00000004
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#define I2O_LAN_10BROAD36 (I2O_LAN_ETHERNET << 4) + 0x00000005
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#define I2O_LAN_10BASE_T (I2O_LAN_ETHERNET << 4) + 0x00000006
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#define I2O_LAN_10BASE_FP (I2O_LAN_ETHERNET << 4) + 0x00000007
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#define I2O_LAN_10BASE_FB (I2O_LAN_ETHERNET << 4) + 0x00000008
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#define I2O_LAN_10BASE_FL (I2O_LAN_ETHERNET << 4) + 0x00000009
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#define I2O_LAN_100BASE_TX (I2O_LAN_ETHERNET << 4) + 0x0000000A
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#define I2O_LAN_100BASE_FX (I2O_LAN_ETHERNET << 4) + 0x0000000B
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#define I2O_LAN_100BASE_T4 (I2O_LAN_ETHERNET << 4) + 0x0000000C
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#define I2O_LAN_1000BASE_SX (I2O_LAN_ETHERNET << 4) + 0x0000000D
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#define I2O_LAN_1000BASE_LX (I2O_LAN_ETHERNET << 4) + 0x0000000E
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#define I2O_LAN_1000BASE_CX (I2O_LAN_ETHERNET << 4) + 0x0000000F
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#define I2O_LAN_1000BASE_T (I2O_LAN_ETHERNET << 4) + 0x00000010
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/* AnyLAN */
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#define I2O_LAN_100VG_ETHERNET (I2O_LAN_100VG << 4) + 0x00000001
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#define I2O_LAN_100VG_TR (I2O_LAN_100VG << 4) + 0x00000002
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/* Token Ring */
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#define I2O_LAN_4MBIT (I2O_LAN_TR << 4) + 0x00000001
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#define I2O_LAN_16MBIT (I2O_LAN_TR << 4) + 0x00000002
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/* FDDI */
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#define I2O_LAN_125MBAUD (I2O_LAN_FDDI << 4) + 0x00000001
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/* Fibre Channel */
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#define I2O_LAN_POINT_POINT (I2O_LAN_FIBRE_CHANNEL << 4) + 0x00000001
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#define I2O_LAN_ARB_LOOP (I2O_LAN_FIBRE_CHANNEL << 4) + 0x00000002
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#define I2O_LAN_PUBLIC_LOOP (I2O_LAN_FIBRE_CHANNEL << 4) + 0x00000003
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#define I2O_LAN_FABRIC (I2O_LAN_FIBRE_CHANNEL << 4) + 0x00000004
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#define I2O_LAN_EMULATION 0x00000F00
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#define I2O_LAN_OTHER 0x00000F01
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#define I2O_LAN_DEFAULT 0xFFFFFFFF
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/* LAN class functions */
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#define LAN_PACKET_SEND 0x3B
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#define LAN_SDU_SEND 0x3D
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#define LAN_RECEIVE_POST 0x3E
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#define LAN_RESET 0x35
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#define LAN_SUSPEND 0x37
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/* LAN DetailedStatusCode defines */
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#define I2O_LAN_DSC_SUCCESS 0x00
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#define I2O_LAN_DSC_DEVICE_FAILURE 0x01
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#define I2O_LAN_DSC_DESTINATION_NOT_FOUND 0x02
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#define I2O_LAN_DSC_TRANSMIT_ERROR 0x03
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#define I2O_LAN_DSC_TRANSMIT_ABORTED 0x04
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#define I2O_LAN_DSC_RECEIVE_ERROR 0x05
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#define I2O_LAN_DSC_RECEIVE_ABORTED 0x06
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#define I2O_LAN_DSC_DMA_ERROR 0x07
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#define I2O_LAN_DSC_BAD_PACKET_DETECTED 0x08
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#define I2O_LAN_DSC_OUT_OF_MEMORY 0x09
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#define I2O_LAN_DSC_BUCKET_OVERRUN 0x0A
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#define I2O_LAN_DSC_IOP_INTERNAL_ERROR 0x0B
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#define I2O_LAN_DSC_CANCELED 0x0C
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#define I2O_LAN_DSC_INVALID_TRANSACTION_CONTEXT 0x0D
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#define I2O_LAN_DSC_DEST_ADDRESS_DETECTED 0x0E
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#define I2O_LAN_DSC_DEST_ADDRESS_OMITTED 0x0F
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#define I2O_LAN_DSC_PARTIAL_PACKET_RETURNED 0x10
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#define I2O_LAN_DSC_SUSPENDED 0x11
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struct i2o_packet_info {
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u32 offset : 24;
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u32 flags : 8;
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u32 len : 24;
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u32 status : 8;
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};
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struct i2o_bucket_descriptor {
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u32 context; /* FIXME: 64bit support */
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struct i2o_packet_info packet_info[1];
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};
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/* Event Indicator Mask Flags for LAN OSM */
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#define I2O_LAN_EVT_LINK_DOWN 0x01
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#define I2O_LAN_EVT_LINK_UP 0x02
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#define I2O_LAN_EVT_MEDIA_CHANGE 0x04
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#include <linux/netdevice.h>
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#include <linux/fddidevice.h>
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struct i2o_lan_local {
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u8 unit;
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struct i2o_device *i2o_dev;
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struct fddi_statistics stats; /* see also struct net_device_stats */
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unsigned short (*type_trans)(struct sk_buff *, struct net_device *);
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atomic_t buckets_out; /* nbr of unused buckets on DDM */
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atomic_t tx_out; /* outstanding TXes */
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u8 tx_count; /* packets in one TX message frame */
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u16 tx_max_out; /* DDM's Tx queue len */
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u8 sgl_max; /* max SGLs in one message frame */
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u32 m; /* IOP address of the batch msg frame */
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struct work_struct i2o_batch_send_task;
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int send_active;
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struct sk_buff **i2o_fbl; /* Free bucket list (to reuse skbs) */
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int i2o_fbl_tail;
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spinlock_t fbl_lock;
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spinlock_t tx_lock;
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u32 max_size_mc_table; /* max number of multicast addresses */
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/* LAN OSM configurable parameters are here: */
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u16 max_buckets_out; /* max nbr of buckets to send to DDM */
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u16 bucket_thresh; /* send more when this many used */
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u16 rx_copybreak;
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u8 tx_batch_mode; /* Set when using batch mode sends */
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u32 i2o_event_mask; /* To turn on interesting event flags */
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};
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#endif /* _I2O_LAN_H */
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