patch-2.0.36 linux/drivers/net/rcmtl.h
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- Lines: 581
- Date:
Sun Nov 15 10:33:03 1998
- Orig file:
v2.0.35/linux/drivers/net/rcmtl.h
- Orig date:
Wed Dec 31 16:00:00 1969
diff -u --recursive --new-file v2.0.35/linux/drivers/net/rcmtl.h linux/drivers/net/rcmtl.h
@@ -0,0 +1,580 @@
+/*
+** *************************************************************************
+**
+**
+** R C M T L . H $Revision: 3 $
+**
+**
+** RedCreek Message Transport Layer header file.
+**
+** ---------------------------------------------------------------------
+** --- Copyright (c) 1997-1998, RedCreek Communications Inc. ---
+** --- All rights reserved. ---
+** ---------------------------------------------------------------------
+**
+** File Description:
+**
+** Header file for host message transport layer API and data types.
+**
+** This program is free software; you can redistribute it and/or modify
+** it under the terms of the GNU General Public License as published by
+** the Free Software Foundation; either version 2 of the License, or
+** (at your option) any later version.
+
+** This program is distributed in the hope that it will be useful,
+** but WITHOUT ANY WARRANTY; without even the implied warranty of
+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+** GNU General Public License for more details.
+
+** You should have received a copy of the GNU General Public License
+** along with this program; if not, write to the Free Software
+** Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+**
+** *************************************************************************
+*/
+
+#ifndef RCMTL_H
+#define RCMTL_H
+
+/* Linux specific includes */
+#define kprintf printk
+#ifdef RC_LINUX_MODULE /* linux modules need non-library version of string functions */
+#include <linux/string.h>
+#else
+#include <string.h>
+#endif
+
+/* PCI/45 Configuration space values */
+#define RC_PCI45_VENDOR_ID 0x4916
+#define RC_PCI45_DEVICE_ID 0x1960
+
+
+ /* RedCreek API function return values */
+#define RC_RTN_NO_ERROR 0
+#define RC_RTN_NOT_INIT 1
+#define RC_RTN_FREE_Q_EMPTY 2
+#define RC_RTN_TCB_ERROR 3
+#define RC_RTN_TRANSACTION_ERROR 4
+#define RC_RTN_ADAPTER_ALREADY_INIT 5
+#define RC_RTN_MALLOC_ERROR 6
+#define RC_RTN_ADPTR_NOT_REGISTERED 7
+#define RC_RTN_MSG_REPLY_TIMEOUT 8
+#define RC_RTN_NO_STATUS 9
+#define RC_RTN_NO_FIRM_VER 10
+#define RC_RTN_NO_LINK_SPEED 11
+
+/* Driver capability flags */
+#define WARM_REBOOT_CAPABLE 0x01
+
+ /* scalar data types */
+typedef unsigned char U8;
+typedef unsigned char* PU8;
+typedef unsigned short U16;
+typedef unsigned short* PU16;
+typedef unsigned long U32;
+typedef unsigned long* PU32;
+typedef unsigned long BF;
+typedef int RC_RETURN;
+
+
+ /*
+ ** type PFNWAITCALLBACK
+ **
+ ** pointer to void function - type used for WaitCallback in some functions
+ */
+typedef void (*PFNWAITCALLBACK)(void); /* void argument avoids compiler complaint */
+
+ /*
+ ** type PFNTXCALLBACK
+ **
+ ** Pointer to user's transmit callback function. This user function is
+ ** called from RCProcMsgQ() when packet have been transmitted from buffers
+ ** given in the RCSendPacket() function. BufferContext is a pointer to
+ ** an array of 32 bit context values. These are the values the user assigned
+ ** and passed in the TCB to the RCSendPacket() function. PcktCount
+ ** indicates the number of buffer context values in the BufferContext[] array.
+ ** The User's TransmitCallbackFunction should recover (put back in free queue)
+ ** the packet buffers associated with the buffer context values.
+ */
+typedef void (*PFNTXCALLBACK)(U32 Status,
+ U16 PcktCount,
+ PU32 BufferContext,
+ U16 AdaterID);
+
+ /*
+ ** type PFNRXCALLBACK
+ **
+ ** Pointer to user's receive callback function. This user function
+ ** is called from RCProcMsgQ() when packets have been received into
+ ** previously posted packet buffers throught the RCPostRecvBuffers() function.
+ ** The received callback function should process the Packet Descriptor Block
+ ** pointed to by PacketDescBlock. See Packet Decription Block below.
+ */
+typedef void (*PFNRXCALLBACK)(U32 Status,
+ U8 PktCount,
+ U32 BucketsRemain,
+ PU32 PacketDescBlock,
+ U16 AdapterID);
+
+ /*
+ ** type PFNCALLBACK
+ **
+ ** Pointer to user's generic callback function. This user function
+ ** can be passed to LANReset or LANShutdown and is called when the
+ ** the reset or shutdown is complete.
+ ** Param1 and Param2 are invalid for LANReset and LANShutdown.
+ */
+typedef void (*PFNCALLBACK)(U32 Status,
+ U32 Param1,
+ U32 Param2,
+ U16 AdapterID);
+
+/*
+** Status - Transmit and Receive callback status word
+**
+** A 32 bit Status is returned to the TX and RX callback functions. This value
+** contains both the reply status and the detailed status as follows:
+**
+** 32 24 16 0
+** +------+------+------------+
+** | Reply| | Detailed |
+** |Status| 0 | Status |
+** +------+------+------------+
+**
+** Reply Status and Detailed Status of zero indicates No Errors.
+*/
+ /* reply message status defines */
+#define RC_REPLY_STATUS_SUCCESS 0x00
+#define RC_REPLY_STATUS_ABORT_NO_DATA_TRANSFER 0x02
+#define RC_REPLY_STATUS_TRANSACTION_ERROR 0x0A
+
+
+/* DetailedStatusCode defines */
+#define RC_DSC_SUCCESS 0x0000
+#define RC_DSC_DEVICE_FAILURE 0x0001
+#define RC_DSC_DESTINATION_NOT_FOUND 0x0002
+#define RC_DSC_TRANSMIT_ERROR 0x0003
+#define RC_DSC_TRANSMIT_ABORTED 0x0004
+#define RC_DSC_RECEIVE_ERROR 0x0005
+#define RC_DSC_RECEIVE_ABORTED 0x0006
+#define RC_DSC_DMA_ERROR 0x0007
+#define RC_DSC_BAD_PACKET_DETECTED 0x0008
+#define RC_DSC_OUT_OF_MEMORY 0x0009
+#define RC_DSC_BUCKET_OVERRUN 0x000A
+#define RC_DSC_IOP_INTERNAL_ERROR 0x000B
+#define RC_DSC_CANCELED 0x000C
+#define RC_DSC_INVALID_TRANSACTION_CONTEXT 0x000D
+#define RC_DSC_DESTINATION_ADDRESS_DETECTED 0x000E
+#define RC_DSC_DESTINATION_ADDRESS_OMITTED 0x000F
+#define RC_DSC_PARTIAL_PACKET_RETURNED 0x0010
+
+
+/*
+** Packet Description Block (Received packets)
+**
+** A pointer to this block structure is returned to the ReceiveCallback
+** function. It contains the list of packet buffers which have either been
+** filled with a packet or returned to host due to a LANReset function.
+** Currently there will only be one packet per receive bucket (buffer) posted.
+**
+** 32 24 0
+** +-----------------------+ -\
+** | Buffer 1 Context | \
+** +-----------------------+ \
+** | 0xC0000000 | / First Bucket Descriptor
+** +-----+-----------------+ /
+** | 0 | packet 1 length | /
+** +-----------------------+ -\
+** | Buffer 2 Context | \
+** +-----------------------+ \
+** | 0xC0000000 | / Second Bucket Descriptor
+** +-----+-----------------+ /
+** | 0 | packet 2 length | /
+** +-----+-----------------+ -
+** | ... | ----- more bucket descriptors
+** +-----------------------+ -\
+** | Buffer n Context | \
+** +-----------------------+ \
+** | 0xC0000000 | / Last Bucket Descriptor
+** +-----+-----------------+ /
+** | 0 | packet n length | /
+** +-----+-----------------+ -
+**
+** Buffer Context values are those given to adapter in the TCB on calls to
+** RCPostRecvBuffers().
+**
+*/
+
+
+
+/*
+** Transaction Control Block (TCB) structure
+**
+** A structure like this is filled in by the user and passed by reference to
+** RCSendPacket() and RCPostRecvBuffers() functions. Minimum size is five
+** 32-bit words for one buffer with one segment descriptor.
+** MAX_NMBR_POST_BUFFERS_PER_MSG defines the maximum single segment buffers
+** that can be described in a given TCB.
+**
+** 32 0
+** +-----------------------+
+** | Buffer Count | Number of buffers in the TCB
+** +-----------------------+
+** | Buffer 1 Context | first buffer reference
+** +-----------------------+
+** | Buffer 1 Seg Count | number of segments in buffer
+** +-----------------------+
+** | Buffer 1 Seg Desc 1 | first segment descriptor (size, physical address)
+** +-----------------------+
+** | ... | more segment descriptors (size, physical address)
+** +-----------------------+
+** | Buffer 1 Seg Desc n | last segment descriptor (size, physical address)
+** +-----------------------+
+** | Buffer 2 Context | second buffer reference
+** +-----------------------+
+** | Buffer 2 Seg Count | number of segments in buffer
+** +-----------------------+
+** | Buffer 2 Seg Desc 1 | segment descriptor (size, physical address)
+** +-----------------------+
+** | ... | more segment descriptors (size, physical address)
+** +-----------------------+
+** | Buffer 2 Seg Desc n |
+** +-----------------------+
+** | ... | more buffer descriptor blocks ...
+** +-----------------------+
+** | Buffer n Context |
+** +-----------------------+
+** | Buffer n Seg Count |
+** +-----------------------+
+** | Buffer n Seg Desc 1 |
+** +-----------------------+
+** | ... |
+** +-----------------------+
+** | Buffer n Seg Desc n |
+** +-----------------------+
+**
+**
+** A TCB for one contigous packet buffer would look like the following:
+**
+** 32 0
+** +-----------------------+
+** | 1 | one buffer in the TCB
+** +-----------------------+
+** | <user's Context> | user's buffer reference
+** +-----------------------+
+** | 1 | one segment buffer
+** +-----------------------+ _
+** | <buffer size> | size \
+** +-----------------------+ \ segment descriptor
+** | <physical address> | physical address of buffer /
+** +-----------------------+ _/
+**
+*/
+
+ /* Buffer Segment Descriptor */
+typedef struct
+{
+ U32 size;
+ U32 phyAddress;
+}
+ BSD, *PBSD;
+
+typedef PU32 PRCTCB;
+/*
+** -------------------------------------------------------------------------
+** Exported functions comprising the API to the message transport layer
+** -------------------------------------------------------------------------
+*/
+
+
+ /*
+ ** InitRCApiMsgLayer()
+ **
+ ** Called once prior to using the API message transport layer. User
+ ** provides both the physical and virual address of a locked page buffer
+ ** that is used as a private buffer for the RedCreek API message
+ ** transport layer. This buffer must be a contigous memory block of a
+ ** minimum of 16K bytes and long word aligned. The user also must provide
+ ** the base address of the RedCreek PCI adapter assigned by BIOS or operating
+ ** system. The user provided value AdapterID is a zero based index of the
+ ** Ravlin 45/PCI adapter. This interface number is used in all subsequent API
+ ** calls to identify which adpapter for which the function is intended.
+ ** Up to sixteen interfaces are supported with this API.
+ **
+ ** Inputs: AdapterID - interface number from 0 to 15
+ ** pciBaseAddr - virual base address of PCI (set by BIOS)
+ ** p_msgbuf - virual address to private message block (min. 16K)
+ ** p_phymsgbuf - physical address of private message block
+ ** TransmitCallbackFunction - address of user's TX callback function
+ ** ReceiveCallbackFunction - address of user's RX callback function
+ **
+ */
+RC_RETURN InitRCApiMsgLayer(U16 AdapterID, U32 pciBaseAddr,
+ PU8 p_msgbuf, PU8 p_phymsgbuf,
+ PFNTXCALLBACK TransmitCallbackFunction,
+ PFNRXCALLBACK ReceiveCallbackFunction,
+ PFNCALLBACK RebootCallbackFunction);
+
+ /*
+ ** RCSetRavlinIPandMask()
+ **
+ ** Set the Ravlin 45/PCI cards IP address and network mask.
+ **
+ ** IP address and mask must be in network byte order.
+ ** For example, IP address 1.2.3.4 and mask 255.255.255.0 would be
+ ** 0x04030201 and 0x00FFFFFF on a little endian machine.
+ **
+ */
+RC_RETURN RCSetRavlinIPandMask(U16 AdapterID, U32 ipAddr, U32 netMask);
+
+
+/*
+** =========================================================================
+** RCGetRavlinIPandMask()
+**
+** get the IP address and MASK from the card
+**
+** =========================================================================
+*/
+RC_RETURN
+RCGetRavlinIPandMask(U16 AdapterID, PU32 pIpAddr, PU32 pNetMask,
+ PFNWAITCALLBACK WaitCallback);
+
+ /*
+ ** RCProcMsgQ()
+ **
+ ** Called from user's polling loop or Interrupt Service Routine for a PCI
+ ** interrupt from the RedCreek PCI adapter. User responsible for determining
+ ** and hooking the PCI interrupt. This function will call the registered
+ ** callback functions, TransmitCallbackFunction or ReceiveCallbackFunction,
+ ** if a TX or RX transaction has completed.
+ */
+void RCProcMsgQ(U16 AdapterID);
+
+
+ /*
+ ** Disable and Enable Adapter interrupts. Adapter interrupts are enabled at
+ ** Init time but can be disabled and re-enabled through these two function calls.
+ ** Packets will still be put into any posted recieved buffers and packets will
+ ** be sent through RCSendPacket() functions. Disabling Adapter interrupts
+ ** will prevent hardware interrupt to host even though the outbound msg
+ ** queue is not emtpy.
+ */
+RC_RETURN RCEnableAdapterInterrupts(U16 adapterID);
+RC_RETURN RCDisableAdapterInterrupts(U16 AdapterID);
+
+
+ /*
+ ** RCPostRecvBuffers()
+ **
+ ** Post user's page locked buffers for use by the PCI adapter to
+ ** return ethernet packets received from the LAN. Transaction Control Block,
+ ** provided by user, contains buffer descriptor(s) which includes a buffer
+ ** context number along with buffer size and physical address. See TCB above.
+ ** The buffer context and actual packet length are returned to the
+ ** ReceiveCallbackFunction when packets have been received. Buffers posted
+ ** to the RedCreek adapter are considered owned by the adapter until the
+ ** context is return to user through the ReceiveCallbackFunction.
+ */
+RC_RETURN RCPostRecvBuffers(U16 AdapterID, PRCTCB pTransactionCtrlBlock);
+#define MAX_NMBR_POST_BUFFERS_PER_MSG 32
+
+ /*
+ ** RCSendPacket()
+ **
+ ** Send user's ethernet packet from a locked page buffer.
+ ** Packet must have full MAC header, however without a CRC.
+ ** Initiator context is a user provided value that is returned
+ ** to the TransmitCallbackFunction when packet buffer is free.
+ ** Transmit buffer are considered owned by the adapter until context's
+ ** returned to user through the TransmitCallbackFunction.
+ */
+RC_RETURN RCSendPacket(U16 AdapterID,
+ U32 context,
+ PRCTCB pTransactionCtrlBlock);
+
+
+ /* Ethernet Link Statistics structure */
+typedef struct tag_RC_link_stats
+{
+ U32 TX_good; /* good transmit frames */
+ U32 TX_maxcol; /* frames not TX due to MAX collisions */
+ U32 TX_latecol; /* frames not TX due to late collisions */
+ U32 TX_urun; /* frames not TX due to DMA underrun */
+ U32 TX_crs; /* frames TX with lost carrier sense */
+ U32 TX_def; /* frames deferred due to activity on link */
+ U32 TX_singlecol; /* frames TX with one and only on collision */
+ U32 TX_multcol; /* frames TX with more than one collision */
+ U32 TX_totcol; /* total collisions detected during TX */
+ U32 Rcv_good; /* good frames received */
+ U32 Rcv_CRCerr; /* frames RX and discarded with CRC errors */
+ U32 Rcv_alignerr; /* frames RX with alignment and CRC errors */
+ U32 Rcv_reserr; /* good frames discarded due to no RX buffer */
+ U32 Rcv_orun; /* RX frames lost due to FIFO overrun */
+ U32 Rcv_cdt; /* RX frames with collision during RX */
+ U32 Rcv_runt; /* RX frames shorter than 64 bytes */
+}
+ RCLINKSTATS, *P_RCLINKSTATS;
+
+ /*
+ ** RCGetLinkStatistics()
+ **
+ ** Returns link statistics in user's structure at address StatsReturnAddr
+ ** If given, not NULL, the function WaitCallback is called during the wait
+ ** loop while waiting for the adapter to respond.
+ */
+RC_RETURN RCGetLinkStatistics(U16 AdapterID,
+ P_RCLINKSTATS StatsReturnAddr,
+ PFNWAITCALLBACK WaitCallback);
+
+ /*
+ ** RCGetLinkStatus()
+ **
+ ** Return link status, up or down, to user's location addressed by ReturnAddr.
+ ** If given, not NULL, the function WaitCallback is called during the wait
+ ** loop while waiting for the adapter to respond.
+ */
+RC_RETURN RCGetLinkStatus(U16 AdapterID,
+ PU32 pReturnStatus,
+ PFNWAITCALLBACK WaitCallback);
+
+ /* Link Status defines - value returned in pReturnStatus */
+#define LAN_LINK_STATUS_DOWN 0
+#define LAN_LINK_STATUS_UP 1
+
+ /*
+ ** RCGetMAC()
+ **
+ ** Get the current MAC address assigned to user. RedCreek Ravlin 45/PCI
+ ** has two MAC addresses. One which is private to the PCI Card, and
+ ** another MAC which is given to the user as its link layer MAC address. The
+ ** adapter runs in promiscous mode because of the dual address requirement.
+ ** The MAC address is returned to the unsigned char array pointer to by mac.
+ */
+RC_RETURN RCGetMAC(U16 AdapterID, PU8 mac, PFNWAITCALLBACK WaitCallback);
+
+ /*
+ ** RCSetMAC()
+ **
+ ** Set a new user port MAC address. This address will be returned on
+ ** subsequent RCGetMAC() calls.
+ */
+RC_RETURN RCSetMAC(U16 AdapterID, PU8 mac);
+
+ /*
+ ** RCSetLinkSpeed()
+ **
+ ** set adapter's link speed based on given input code.
+ */
+RC_RETURN RCSetLinkSpeed(U16 AdapterID, U16 LinkSpeedCode);
+ /* Set link speed codes */
+#define LNK_SPD_AUTO_NEG_NWAY 0
+#define LNK_SPD_100MB_FULL 1
+#define LNK_SPD_100MB_HALF 2
+#define LNK_SPD_10MB_FULL 3
+#define LNK_SPD_10MB_HALF 4
+
+
+
+
+ /*
+ ** RCGetLinkSpeed()
+ **
+ ** Return link speed code.
+ */
+ /* Return link speed codes */
+#define LNK_SPD_UNKNOWN 0
+#define LNK_SPD_100MB_FULL 1
+#define LNK_SPD_100MB_HALF 2
+#define LNK_SPD_10MB_FULL 3
+#define LNK_SPD_10MB_HALF 4
+
+RC_RETURN
+RCGetLinkSpeed(U16 AdapterID, PU32 pLinkSpeedCode, PFNWAITCALLBACK WaitCallback);
+
+/*
+** =========================================================================
+** RCReportDriverCapability(U16 AdapterID, U32 capability)
+**
+** Currently defined bits:
+** WARM_REBOOT_CAPABLE 0x01
+**
+** =========================================================================
+*/
+RC_RETURN
+RCReportDriverCapability(U16 AdapterID, U32 capability);
+
+/*
+** RCGetFirmwareVer()
+**
+** Return firmware version in the form "SoftwareVersion : Bt BootVersion"
+**
+** WARNING: user's space pointed to by pFirmString should be at least 60 bytes.
+*/
+RC_RETURN
+RCGetFirmwareVer(U16 AdapterID, PU8 pFirmString, PFNWAITCALLBACK WaitCallback);
+
+/*
+** ----------------------------------------------
+** LAN adapter Reset and Shutdown functions
+** ----------------------------------------------
+*/
+ /* resource flag bit assignments for RCResetLANCard() & RCShutdownLANCard() */
+#define RC_RESOURCE_RETURN_POSTED_RX_BUCKETS 0x0001
+#define RC_RESOURCE_RETURN_PEND_TX_BUFFERS 0x0002
+
+ /*
+ ** RCResetLANCard()
+ **
+ ** Reset LAN card operation. Causes a software reset of the ethernet
+ ** controller and restarts the command and receive units. Depending on
+ ** the ResourceFlags given, the buffers are either returned to the
+ ** host with reply status of RC_REPLY_STATUS_ABORT_NO_DATA_TRANSFER and
+ ** detailed status of RC_DSC_CANCELED (new receive buffers must be
+ ** posted after issuing this) OR the buffers are kept and reused by
+ ** the ethernet controller. If CallbackFunction is not NULL, the function
+ ** will be called when the reset is complete. If the CallbackFunction is
+ ** NULL,a 1 will be put into the ReturnAddr after waiting for the reset
+ ** to complete (please disable adapter interrupts during this method).
+ ** Any outstanding transmit or receive buffers that are complete will be
+ ** returned via the normal reply messages before the requested resource
+ ** buffers are returned.
+ ** A call to RCPostRecvBuffers() is needed to return the ethernet to full
+ ** operation if the receive buffers were returned during LANReset.
+ ** Note: The IOP status is not affected by a LAN reset.
+ */
+RC_RETURN RCResetLANCard(U16 AdapterID, U16 ResourceFlags, PU32 ReturnAddr, PFNCALLBACK CallbackFunction);
+
+
+ /*
+ ** RCShutdownLANCard()
+ **
+ ** Shutdown LAN card operation and put into an idle (suspended) state.
+ ** The LAN card is restarted with RCResetLANCard() function.
+ ** Depending on the ResourceFlags given, the buffers are either returned
+ ** to the host with reply status of RC_REPLY_STATUS_ABORT_NO_DATA_TRANSFER
+ ** and detailed status of RC_DSC_CANCELED (new receive buffers must be
+ ** posted after issuing this) OR the buffers are kept and reused by
+ ** the ethernet controller. If CallbackFunction is not NULL, the function
+ ** will be called when the reset is complete. If the CallbackFunction is
+ ** NULL,a 1 will be put into the ReturnAddr after waiting for the reset
+ ** to complete (please disable adapter interrupts during this method).
+ ** Any outstanding transmit or receive buffers that are complete will be
+ ** returned via the normal reply messages before the requested resource
+ ** buffers are returned.
+ ** Note: The IOP status is not affected by a LAN shutdown.
+ */
+RC_RETURN
+RCShutdownLANCard(U16 AdapterID, U16 ResourceFlags, PU32 ReturnAddr, PFNCALLBACK CallbackFunction);
+
+ /*
+ ** RCResetAdapter();
+ ** Initializes ADAPTERState to ADAPTER_STATE_RESET.
+ ** Stops access to outbound message Q.
+ ** Discards any outstanding transmit or posted receive buffers.
+ ** Clears outbound message Q.
+ */
+RC_RETURN
+RCResetAdapter(U16 AdapterID);
+
+#endif /* RCMTL_H */
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