summaryrefslogtreecommitdiff
path: root/drivers/message/i2o/i2o_lan.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/message/i2o/i2o_lan.h')
-rw-r--r--drivers/message/i2o/i2o_lan.h159
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 */