diff options
Diffstat (limited to 'drivers/message/i2o/i2o_lan.h')
-rw-r--r-- | drivers/message/i2o/i2o_lan.h | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/drivers/message/i2o/i2o_lan.h b/drivers/message/i2o/i2o_lan.h new file mode 100644 index 000000000000..561d63304d7e --- /dev/null +++ b/drivers/message/i2o/i2o_lan.h @@ -0,0 +1,159 @@ +/* + * 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 work_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 */ |