1 /* 2 * i2o_lan.h I2O LAN Class definitions 3 * 4 * I2O LAN CLASS OSM May 26th 2000 5 * 6 * (C) Copyright 1999, 2000 University of Helsinki, 7 * Department of Computer Science 8 * 9 * This code is still under development / test. 10 * 11 * Author: Auvo H�kkinen <Auvo.Hakkinen@cs.Helsinki.FI> 12 * Juha Siev�nen <Juha.Sievanen@cs.Helsinki.FI> 13 * Taneli V�h�kangas <Taneli.Vahakangas@cs.Helsinki.FI> 14 */ 15 16 #ifndef _I2O_LAN_H 17 #define _I2O_LAN_H 18 19 /* Default values for tunable parameters first */ 20 21 #define I2O_LAN_MAX_BUCKETS_OUT 96 22 #define I2O_LAN_BUCKET_THRESH 18 /* 9 buckets in one message */ 23 #define I2O_LAN_RX_COPYBREAK 200 24 #define I2O_LAN_TX_TIMEOUT (1*HZ) 25 #define I2O_LAN_TX_BATCH_MODE 2 /* 2=automatic, 1=on, 0=off */ 26 #define I2O_LAN_EVENT_MASK 0 /* 0=None, 0xFFC00002=All */ 27 28 /* LAN types */ 29 #define I2O_LAN_ETHERNET 0x0030 30 #define I2O_LAN_100VG 0x0040 31 #define I2O_LAN_TR 0x0050 32 #define I2O_LAN_FDDI 0x0060 33 #define I2O_LAN_FIBRE_CHANNEL 0x0070 34 #define I2O_LAN_UNKNOWN 0x00000000 35 36 /* Connector types */ 37 38 /* Ethernet */ 39 #define I2O_LAN_AUI (I2O_LAN_ETHERNET << 4) + 0x00000001 40 #define I2O_LAN_10BASE5 (I2O_LAN_ETHERNET << 4) + 0x00000002 41 #define I2O_LAN_FIORL (I2O_LAN_ETHERNET << 4) + 0x00000003 42 #define I2O_LAN_10BASE2 (I2O_LAN_ETHERNET << 4) + 0x00000004 43 #define I2O_LAN_10BROAD36 (I2O_LAN_ETHERNET << 4) + 0x00000005 44 #define I2O_LAN_10BASE_T (I2O_LAN_ETHERNET << 4) + 0x00000006 45 #define I2O_LAN_10BASE_FP (I2O_LAN_ETHERNET << 4) + 0x00000007 46 #define I2O_LAN_10BASE_FB (I2O_LAN_ETHERNET << 4) + 0x00000008 47 #define I2O_LAN_10BASE_FL (I2O_LAN_ETHERNET << 4) + 0x00000009 48 #define I2O_LAN_100BASE_TX (I2O_LAN_ETHERNET << 4) + 0x0000000A 49 #define I2O_LAN_100BASE_FX (I2O_LAN_ETHERNET << 4) + 0x0000000B 50 #define I2O_LAN_100BASE_T4 (I2O_LAN_ETHERNET << 4) + 0x0000000C 51 #define I2O_LAN_1000BASE_SX (I2O_LAN_ETHERNET << 4) + 0x0000000D 52 #define I2O_LAN_1000BASE_LX (I2O_LAN_ETHERNET << 4) + 0x0000000E 53 #define I2O_LAN_1000BASE_CX (I2O_LAN_ETHERNET << 4) + 0x0000000F 54 #define I2O_LAN_1000BASE_T (I2O_LAN_ETHERNET << 4) + 0x00000010 55 56 /* AnyLAN */ 57 #define I2O_LAN_100VG_ETHERNET (I2O_LAN_100VG << 4) + 0x00000001 58 #define I2O_LAN_100VG_TR (I2O_LAN_100VG << 4) + 0x00000002 59 60 /* Token Ring */ 61 #define I2O_LAN_4MBIT (I2O_LAN_TR << 4) + 0x00000001 62 #define I2O_LAN_16MBIT (I2O_LAN_TR << 4) + 0x00000002 63 64 /* FDDI */ 65 #define I2O_LAN_125MBAUD (I2O_LAN_FDDI << 4) + 0x00000001 66 67 /* Fibre Channel */ 68 #define I2O_LAN_POINT_POINT (I2O_LAN_FIBRE_CHANNEL << 4) + 0x00000001 69 #define I2O_LAN_ARB_LOOP (I2O_LAN_FIBRE_CHANNEL << 4) + 0x00000002 70 #define I2O_LAN_PUBLIC_LOOP (I2O_LAN_FIBRE_CHANNEL << 4) + 0x00000003 71 #define I2O_LAN_FABRIC (I2O_LAN_FIBRE_CHANNEL << 4) + 0x00000004 72 73 #define I2O_LAN_EMULATION 0x00000F00 74 #define I2O_LAN_OTHER 0x00000F01 75 #define I2O_LAN_DEFAULT 0xFFFFFFFF 76 77 /* LAN class functions */ 78 79 #define LAN_PACKET_SEND 0x3B 80 #define LAN_SDU_SEND 0x3D 81 #define LAN_RECEIVE_POST 0x3E 82 #define LAN_RESET 0x35 83 #define LAN_SUSPEND 0x37 84 85 /* LAN DetailedStatusCode defines */ 86 #define I2O_LAN_DSC_SUCCESS 0x00 87 #define I2O_LAN_DSC_DEVICE_FAILURE 0x01 88 #define I2O_LAN_DSC_DESTINATION_NOT_FOUND 0x02 89 #define I2O_LAN_DSC_TRANSMIT_ERROR 0x03 90 #define I2O_LAN_DSC_TRANSMIT_ABORTED 0x04 91 #define I2O_LAN_DSC_RECEIVE_ERROR 0x05 92 #define I2O_LAN_DSC_RECEIVE_ABORTED 0x06 93 #define I2O_LAN_DSC_DMA_ERROR 0x07 94 #define I2O_LAN_DSC_BAD_PACKET_DETECTED 0x08 95 #define I2O_LAN_DSC_OUT_OF_MEMORY 0x09 96 #define I2O_LAN_DSC_BUCKET_OVERRUN 0x0A 97 #define I2O_LAN_DSC_IOP_INTERNAL_ERROR 0x0B 98 #define I2O_LAN_DSC_CANCELED 0x0C 99 #define I2O_LAN_DSC_INVALID_TRANSACTION_CONTEXT 0x0D 100 #define I2O_LAN_DSC_DEST_ADDRESS_DETECTED 0x0E 101 #define I2O_LAN_DSC_DEST_ADDRESS_OMITTED 0x0F 102 #define I2O_LAN_DSC_PARTIAL_PACKET_RETURNED 0x10 103 #define I2O_LAN_DSC_SUSPENDED 0x11 104 105 struct i2o_packet_info { 106 u32 offset : 24; 107 u32 flags : 8; 108 u32 len : 24; 109 u32 status : 8; 110 }; 111 112 struct i2o_bucket_descriptor { 113 u32 context; /* FIXME: 64bit support */ 114 struct i2o_packet_info packet_info[1]; 115 }; 116 117 /* Event Indicator Mask Flags for LAN OSM */ 118 119 #define I2O_LAN_EVT_LINK_DOWN 0x01 120 #define I2O_LAN_EVT_LINK_UP 0x02 121 #define I2O_LAN_EVT_MEDIA_CHANGE 0x04 122 123 #include <linux/netdevice.h> 124 #include <linux/fddidevice.h> 125 126 struct i2o_lan_local { 127 u8 unit; 128 struct i2o_device *i2o_dev; 129 130 struct fddi_statistics stats; /* see also struct net_device_stats */ 131 unsigned short (*type_trans)(struct sk_buff *, struct net_device *); 132 atomic_t buckets_out; /* nbr of unused buckets on DDM */ 133 atomic_t tx_out; /* outstanding TXes */ 134 u8 tx_count; /* packets in one TX message frame */ 135 u16 tx_max_out; /* DDM's Tx queue len */ 136 u8 sgl_max; /* max SGLs in one message frame */ 137 u32 m; /* IOP address of the batch msg frame */ 138 139 struct tq_struct i2o_batch_send_task; 140 int send_active; 141 struct sk_buff **i2o_fbl; /* Free bucket list (to reuse skbs) */ 142 int i2o_fbl_tail; 143 spinlock_t fbl_lock; 144 145 spinlock_t tx_lock; 146 147 u32 max_size_mc_table; /* max number of multicast addresses */ 148 149 /* LAN OSM configurable parameters are here: */ 150 151 u16 max_buckets_out; /* max nbr of buckets to send to DDM */ 152 u16 bucket_thresh; /* send more when this many used */ 153 u16 rx_copybreak; 154 155 u8 tx_batch_mode; /* Set when using batch mode sends */ 156 u32 i2o_event_mask; /* To turn on interesting event flags */ 157 }; 158 159 #endif /* _I2O_LAN_H */ 160