2 ** *************************************************************************
5 ** R C L A N M T L . H $Revision: 1.1.1.1 $
8 ** RedCreek I2O LAN Message Transport Layer header file.
10 ** ---------------------------------------------------------------------
11 ** --- Copyright (c) 1997-1999, RedCreek Communications Inc. ---
12 ** --- All rights reserved. ---
13 ** ---------------------------------------------------------------------
17 ** Header file for host I2O (Intelligent I/O) LAN message transport layer
18 ** API and data types.
20 ** This program is free software; you can redistribute it and/or modify
21 ** it under the terms of the GNU General Public License as published by
22 ** the Free Software Foundation; either version 2 of the License, or
23 ** (at your option) any later version.
25 ** This program is distributed in the hope that it will be useful,
26 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
27 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
28 ** GNU General Public License for more details.
30 ** You should have received a copy of the GNU General Public License
31 ** along with this program; if not, write to the Free Software
32 ** Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
34 ** *************************************************************************
40 /* Linux specific includes */
41 #include <asm/types.h>
42 #ifdef RC_LINUX_MODULE /* linux modules need non-library version of string functions */
43 #include <linux/string.h>
47 #include <linux/delay.h> /* for udelay() */
49 #include <linux/netdevice.h>
50 #include <linux/if_ether.h>
51 #include <linux/etherdevice.h>
52 #include <linux/skbuff.h>
56 /* Debug stuff. Define for debug output */
60 #define dprintk(args...) printk("rc: " args)
62 #define dprintk(args...) { }
67 /* scalar data types */
74 typedef unsigned long BF;
75 typedef int RC_RETURN;
78 ** type PFNWAITCALLBACK
80 ** pointer to void function - type used for WaitCallback in some functions
82 typedef void (*PFNWAITCALLBACK) (void); /* void argument avoids compiler complaint */
87 ** Pointer to user's transmit callback function. This user function is
88 ** called from RCProcI2OMsgQ() when packet have been transmitted from buffers
89 ** given in the RCI2OSendPacket() function. BufferContext is a pointer to
90 ** an array of 32 bit context values. These are the values the user assigned
91 ** and passed in the TCB to the RCI2OSendPacket() function. PcktCount
92 ** indicates the number of buffer context values in the BufferContext[] array.
93 ** The User's TransmitCallbackFunction should recover (put back in free queue)
94 ** the packet buffers associated with the buffer context values.
96 typedef void (*PFNTXCALLBACK) (U32 Status,
98 PU32 BufferContext, struct net_device *);
101 ** type PFNRXCALLBACK
103 ** Pointer to user's receive callback function. This user function
104 ** is called from RCProcI2OMsgQ() when packets have been received into
105 ** previously posted packet buffers throught the RCPostRecvBuffers() function.
106 ** The received callback function should process the Packet Descriptor Block
107 ** pointed to by PacketDescBlock. See Packet Decription Block below.
109 typedef void (*PFNRXCALLBACK) (U32 Status,
112 PU32 PacketDescBlock, struct net_device *);
117 ** Pointer to user's generic callback function. This user function
118 ** can be passed to LANReset or LANShutdown and is called when the
119 ** the reset or shutdown is complete.
120 ** Param1 and Param2 are invalid for LANReset and LANShutdown.
122 typedef void (*PFNCALLBACK) (U32 Status,
123 U32 Param1, U32 Param2, struct net_device * dev);
126 ** Message Unit CSR definitions for RedCreek PCI45 board
128 typedef struct tag_rcatu {
129 volatile unsigned long APICRegSel; /* APIC Register Select */
130 volatile unsigned long reserved0;
131 volatile unsigned long APICWinReg; /* APIC Window Register */
132 volatile unsigned long reserved1;
133 volatile unsigned long InMsgReg0; /* inbound message register 0 */
134 volatile unsigned long InMsgReg1; /* inbound message register 1 */
135 volatile unsigned long OutMsgReg0; /* outbound message register 0 */
136 volatile unsigned long OutMsgReg1; /* outbound message register 1 */
137 volatile unsigned long InDoorReg; /* inbound doorbell register */
138 volatile unsigned long InIntStat; /* inbound interrupt status register */
139 volatile unsigned long InIntMask; /* inbound interrupt mask register */
140 volatile unsigned long OutDoorReg; /* outbound doorbell register */
141 volatile unsigned long OutIntStat; /* outbound interrupt status register */
142 volatile unsigned long OutIntMask; /* outbound interrupt mask register */
143 volatile unsigned long reserved2;
144 volatile unsigned long reserved3;
145 volatile unsigned long InQueue; /* inbound queue port */
146 volatile unsigned long OutQueue; /* outbound queue port */
147 volatile unsigned long reserved4;
148 volatile unsigned long reserver5;
149 /* RedCreek extension */
150 volatile unsigned long EtherMacLow;
151 volatile unsigned long EtherMacHi;
152 volatile unsigned long IPaddr;
153 volatile unsigned long IPmask;
159 ** PCI Adapter Block - holds instance specific information.
162 PATU p_atu; /* ptr to ATU register block */
163 PU8 pPci45LinBaseAddr;
165 U32 outMsgBlockPhyAddr;
166 PFNTXCALLBACK pTransCallbackFunc;
167 PFNRXCALLBACK pRecvCallbackFunc;
168 PFNCALLBACK pRebootCallbackFunc;
169 PFNCALLBACK pCallbackFunc;
171 U16 InboundMFrameSize;
175 * Driver Private Area, DPA.
178 U8 id; /* the AdapterID */
180 /* These two field are basically for the RCioctl function.
181 * I could not determine if they could be avoided. (RAA)*/
182 U32 pci_addr; /* the pci address of the adapter */
185 struct timer_list timer; /* timer */
186 struct net_device_stats stats; /* the statistics structure */
187 unsigned long numOutRcvBuffers; /* number of outstanding receive buffers */
188 unsigned char shutdown;
189 unsigned char reboot;
191 PU8 msgbuf; /* Pointer to Lan Api Private Area */
192 PU8 PLanApiPA; /* Pointer to Lan Api Private Area (aligned) */
193 PPAB pPab; /* Pointer to the PCI Adapter Block */
196 /* PCI/45 Configuration space values */
197 #define RC_PCI45_VENDOR_ID 0x4916
198 #define RC_PCI45_DEVICE_ID 0x1960
200 /* RedCreek API function return values */
201 #define RC_RTN_NO_ERROR 0
202 #define RC_RTN_I2O_NOT_INIT 1
203 #define RC_RTN_FREE_Q_EMPTY 2
204 #define RC_RTN_TCB_ERROR 3
205 #define RC_RTN_TRANSACTION_ERROR 4
206 #define RC_RTN_ADAPTER_ALREADY_INIT 5
207 #define RC_RTN_MALLOC_ERROR 6
208 #define RC_RTN_ADPTR_NOT_REGISTERED 7
209 #define RC_RTN_MSG_REPLY_TIMEOUT 8
210 #define RC_RTN_NO_I2O_STATUS 9
211 #define RC_RTN_NO_FIRM_VER 10
212 #define RC_RTN_NO_LINK_SPEED 11
214 /* Driver capability flags */
215 #define WARM_REBOOT_CAPABLE 0x01
218 ** Status - Transmit and Receive callback status word
220 ** A 32 bit Status is returned to the TX and RX callback functions. This value
221 ** contains both the reply status and the detailed status as follows:
224 ** +------+------+------------+
225 ** | Reply| | Detailed |
226 ** |Status| 0 | Status |
227 ** +------+------+------------+
229 ** Reply Status and Detailed Status of zero indicates No Errors.
231 /* reply message status defines */
232 #define I2O_REPLY_STATUS_SUCCESS 0x00
233 #define I2O_REPLY_STATUS_ABORT_NO_DATA_TRANSFER 0x02
234 #define I2O_REPLY_STATUS_TRANSACTION_ERROR 0x0A
236 /* DetailedStatusCode defines */
237 #define I2O_LAN_DSC_SUCCESS 0x0000
238 #define I2O_LAN_DSC_DEVICE_FAILURE 0x0001
239 #define I2O_LAN_DSC_DESTINATION_NOT_FOUND 0x0002
240 #define I2O_LAN_DSC_TRANSMIT_ERROR 0x0003
241 #define I2O_LAN_DSC_TRANSMIT_ABORTED 0x0004
242 #define I2O_LAN_DSC_RECEIVE_ERROR 0x0005
243 #define I2O_LAN_DSC_RECEIVE_ABORTED 0x0006
244 #define I2O_LAN_DSC_DMA_ERROR 0x0007
245 #define I2O_LAN_DSC_BAD_PACKET_DETECTED 0x0008
246 #define I2O_LAN_DSC_OUT_OF_MEMORY 0x0009
247 #define I2O_LAN_DSC_BUCKET_OVERRUN 0x000A
248 #define I2O_LAN_DSC_IOP_INTERNAL_ERROR 0x000B
249 #define I2O_LAN_DSC_CANCELED 0x000C
250 #define I2O_LAN_DSC_INVALID_TRANSACTION_CONTEXT 0x000D
251 #define I2O_LAN_DSC_DESTINATION_ADDRESS_DETECTED 0x000E
252 #define I2O_LAN_DSC_DESTINATION_ADDRESS_OMITTED 0x000F
253 #define I2O_LAN_DSC_PARTIAL_PACKET_RETURNED 0x0010
256 ** Packet Description Block (Received packets)
258 ** A pointer to this block structure is returned to the ReceiveCallback
259 ** function. It contains the list of packet buffers which have either been
260 ** filled with a packet or returned to host due to a LANReset function.
261 ** Currently there will only be one packet per receive bucket (buffer) posted.
264 ** +-----------------------+ -\
265 ** | Buffer 1 Context | \
266 ** +-----------------------+ \
267 ** | 0xC0000000 | / First Bucket Descriptor
268 ** +-----+-----------------+ /
269 ** | 0 | packet 1 length | /
270 ** +-----------------------+ -\
271 ** | Buffer 2 Context | \
272 ** +-----------------------+ \
273 ** | 0xC0000000 | / Second Bucket Descriptor
274 ** +-----+-----------------+ /
275 ** | 0 | packet 2 length | /
276 ** +-----+-----------------+ -
277 ** | ... | ----- more bucket descriptors
278 ** +-----------------------+ -\
279 ** | Buffer n Context | \
280 ** +-----------------------+ \
281 ** | 0xC0000000 | / Last Bucket Descriptor
282 ** +-----+-----------------+ /
283 ** | 0 | packet n length | /
284 ** +-----+-----------------+ -
286 ** Buffer Context values are those given to adapter in the TCB on calls to
287 ** RCPostRecvBuffers().
292 ** Transaction Control Block (TCB) structure
294 ** A structure like this is filled in by the user and passed by reference to
295 ** RCI2OSendPacket() and RCPostRecvBuffers() functions. Minimum size is five
296 ** 32-bit words for one buffer with one segment descriptor.
297 ** MAX_NMBR_POST_BUFFERS_PER_MSG defines the maximum single segment buffers
298 ** that can be described in a given TCB.
301 ** +-----------------------+
302 ** | Buffer Count | Number of buffers in the TCB
303 ** +-----------------------+
304 ** | Buffer 1 Context | first buffer reference
305 ** +-----------------------+
306 ** | Buffer 1 Seg Count | number of segments in buffer
307 ** +-----------------------+
308 ** | Buffer 1 Seg Desc 1 | first segment descriptor (size, physical address)
309 ** +-----------------------+
310 ** | ... | more segment descriptors (size, physical address)
311 ** +-----------------------+
312 ** | Buffer 1 Seg Desc n | last segment descriptor (size, physical address)
313 ** +-----------------------+
314 ** | Buffer 2 Context | second buffer reference
315 ** +-----------------------+
316 ** | Buffer 2 Seg Count | number of segments in buffer
317 ** +-----------------------+
318 ** | Buffer 2 Seg Desc 1 | segment descriptor (size, physical address)
319 ** +-----------------------+
320 ** | ... | more segment descriptors (size, physical address)
321 ** +-----------------------+
322 ** | Buffer 2 Seg Desc n |
323 ** +-----------------------+
324 ** | ... | more buffer descriptor blocks ...
325 ** +-----------------------+
326 ** | Buffer n Context |
327 ** +-----------------------+
328 ** | Buffer n Seg Count |
329 ** +-----------------------+
330 ** | Buffer n Seg Desc 1 |
331 ** +-----------------------+
333 ** +-----------------------+
334 ** | Buffer n Seg Desc n |
335 ** +-----------------------+
338 ** A TCB for one contigous packet buffer would look like the following:
341 ** +-----------------------+
342 ** | 1 | one buffer in the TCB
343 ** +-----------------------+
344 ** | <user's Context> | user's buffer reference
345 ** +-----------------------+
346 ** | 1 | one segment buffer
347 ** +-----------------------+ _
348 ** | <buffer size> | size \
349 ** +-----------------------+ \ segment descriptor
350 ** | <physical address> | physical address of buffer /
351 ** +-----------------------+ _/
355 /* Buffer Segment Descriptor */
363 ** -------------------------------------------------------------------------
364 ** Exported functions comprising the API to the LAN I2O message transport layer
365 ** -------------------------------------------------------------------------
369 ** InitRCI2OMsgLayer()
371 ** Called once prior to using the I2O LAN message transport layer. User
372 ** provides both the physical and virual address of a locked page buffer
373 ** that is used as a private buffer for the RedCreek I2O message
374 ** transport layer. This buffer must be a contigous memory block of a
375 ** minimum of 16K bytes and long word aligned. The user also must provide
376 ** the base address of the RedCreek PCI adapter assigned by BIOS or operating
379 ** Inputs: dev - the net_device struct for the device.
380 ** TransmitCallbackFunction - address of user's TX callback function
381 ** ReceiveCallbackFunction - address of user's RX callback function
382 ** RebootCallbackFunction - address of user's reboot callback function
385 RC_RETURN RCInitI2OMsgLayer (struct net_device *dev,
386 PFNTXCALLBACK TransmitCallbackFunction,
387 PFNRXCALLBACK ReceiveCallbackFunction,
388 PFNCALLBACK RebootCallbackFunction);
391 ** RCSetRavlinIPandMask()
393 ** Set the Ravlin 45/PCI cards IP address and network mask.
395 ** IP address and mask must be in network byte order.
396 ** For example, IP address 1.2.3.4 and mask 255.255.255.0 would be
397 ** 0x04030201 and 0x00FFFFFF on a little endian machine.
400 RC_RETURN RCSetRavlinIPandMask (struct net_device *dev, U32 ipAddr,
404 ** =========================================================================
405 ** RCGetRavlinIPandMask()
407 ** get the IP address and MASK from the card
409 ** =========================================================================
412 RCGetRavlinIPandMask (struct net_device *dev, PU32 pIpAddr, PU32 pNetMask,
413 PFNWAITCALLBACK WaitCallback);
418 ** Called from user's polling loop or Interrupt Service Routine for a PCI
419 ** interrupt from the RedCreek PCI adapter. User responsible for determining
420 ** and hooking the PCI interrupt. This function will call the registered
421 ** callback functions, TransmitCallbackFunction or ReceiveCallbackFunction,
422 ** if a TX or RX transaction has completed.
424 void RCProcI2OMsgQ (struct net_device *dev);
427 ** Disable and Enable I2O interrupts. I2O interrupts are enabled at Init time
428 ** but can be disabled and re-enabled through these two function calls.
429 ** Packets will still be put into any posted received buffers and packets will
430 ** be sent through RCI2OSendPacket() functions. Disabling I2O interrupts
431 ** will prevent hardware interrupt to host even though the outbound I2O msg
432 ** queue is not emtpy.
434 RC_RETURN RCEnableI2OInterrupts (struct net_device *dev);
435 RC_RETURN RCDisableI2OInterrupts (struct net_device *dev);
438 ** RCPostRecvBuffers()
440 ** Post user's page locked buffers for use by the PCI adapter to
441 ** return ethernet packets received from the LAN. Transaction Control Block,
442 ** provided by user, contains buffer descriptor(s) which includes a buffer
443 ** context number along with buffer size and physical address. See TCB above.
444 ** The buffer context and actual packet length are returned to the
445 ** ReceiveCallbackFunction when packets have been received. Buffers posted
446 ** to the RedCreek adapter are considered owned by the adapter until the
447 ** context is return to user through the ReceiveCallbackFunction.
449 RC_RETURN RCPostRecvBuffers (struct net_device *dev,
450 PRCTCB pTransactionCtrlBlock);
451 #define MAX_NMBR_POST_BUFFERS_PER_MSG 32
456 ** Send user's ethernet packet from a locked page buffer.
457 ** Packet must have full MAC header, however without a CRC.
458 ** Initiator context is a user provided value that is returned
459 ** to the TransmitCallbackFunction when packet buffer is free.
460 ** Transmit buffer are considered owned by the adapter until context's
461 ** returned to user through the TransmitCallbackFunction.
463 RC_RETURN RCI2OSendPacket (struct net_device *dev,
464 U32 context, PRCTCB pTransactionCtrlBlock);
466 /* Ethernet Link Statistics structure */
467 typedef struct tag_RC_link_stats {
468 U32 TX_good; /* good transmit frames */
469 U32 TX_maxcol; /* frames not TX due to MAX collisions */
470 U32 TX_latecol; /* frames not TX due to late collisions */
471 U32 TX_urun; /* frames not TX due to DMA underrun */
472 U32 TX_crs; /* frames TX with lost carrier sense */
473 U32 TX_def; /* frames deferred due to activity on link */
474 U32 TX_singlecol; /* frames TX with one and only on collision */
475 U32 TX_multcol; /* frames TX with more than one collision */
476 U32 TX_totcol; /* total collisions detected during TX */
477 U32 Rcv_good; /* good frames received */
478 U32 Rcv_CRCerr; /* frames RX and discarded with CRC errors */
479 U32 Rcv_alignerr; /* frames RX with alignment and CRC errors */
480 U32 Rcv_reserr; /* good frames discarded due to no RX buffer */
481 U32 Rcv_orun; /* RX frames lost due to FIFO overrun */
482 U32 Rcv_cdt; /* RX frames with collision during RX */
483 U32 Rcv_runt; /* RX frames shorter than 64 bytes */
484 } RCLINKSTATS, *P_RCLINKSTATS;
487 ** RCGetLinkStatistics()
489 ** Returns link statistics in user's structure at address StatsReturnAddr
490 ** If given, not NULL, the function WaitCallback is called during the wait
491 ** loop while waiting for the adapter to respond.
493 RC_RETURN RCGetLinkStatistics (struct net_device *dev,
494 P_RCLINKSTATS StatsReturnAddr,
495 PFNWAITCALLBACK WaitCallback);
500 ** Return link status, up or down, to user's location addressed by ReturnAddr.
501 ** If given, not NULL, the function WaitCallback is called during the wait
502 ** loop while waiting for the adapter to respond.
504 RC_RETURN RCGetLinkStatus (struct net_device *dev,
505 PU32 pReturnStatus, PFNWAITCALLBACK WaitCallback);
507 /* Link Status defines - value returned in pReturnStatus */
508 #define RC_LAN_LINK_STATUS_DOWN 0
509 #define RC_LAN_LINK_STATUS_UP 1
514 ** Get the current MAC address assigned to user. RedCreek Ravlin 45/PCI
515 ** has two MAC addresses. One which is private to the PCI Card, and
516 ** another MAC which is given to the user as its link layer MAC address. The
517 ** adapter runs in promiscous mode because of the dual address requirement.
518 ** The MAC address is returned to the unsigned char array pointer to by mac.
520 RC_RETURN RCGetMAC (struct net_device *dev, PFNWAITCALLBACK WaitCallback);
525 ** Set a new user port MAC address. This address will be returned on
526 ** subsequent RCGetMAC() calls.
528 RC_RETURN RCSetMAC (struct net_device *dev, PU8 mac);
533 ** set adapter's link speed based on given input code.
535 RC_RETURN RCSetLinkSpeed (struct net_device *dev, U16 LinkSpeedCode);
536 /* Set link speed codes */
537 #define LNK_SPD_AUTO_NEG_NWAY 0
538 #define LNK_SPD_100MB_FULL 1
539 #define LNK_SPD_100MB_HALF 2
540 #define LNK_SPD_10MB_FULL 3
541 #define LNK_SPD_10MB_HALF 4
546 ** Return link speed code.
548 /* Return link speed codes */
549 #define LNK_SPD_UNKNOWN 0
550 #define LNK_SPD_100MB_FULL 1
551 #define LNK_SPD_100MB_HALF 2
552 #define LNK_SPD_10MB_FULL 3
553 #define LNK_SPD_10MB_HALF 4
556 RCGetLinkSpeed (struct net_device *dev, PU32 pLinkSpeedCode,
557 PFNWAITCALLBACK WaitCallback);
559 ** =========================================================================
560 ** RCSetPromiscuousMode(struct net_device *dev, U16 Mode)
562 ** Defined values for Mode:
563 ** 0 - turn off promiscuous mode
564 ** 1 - turn on promiscuous mode
566 ** =========================================================================
568 #define PROMISCUOUS_MODE_OFF 0
569 #define PROMISCUOUS_MODE_ON 1
570 RC_RETURN RCSetPromiscuousMode (struct net_device *dev, U16 Mode);
572 ** =========================================================================
573 ** RCGetPromiscuousMode(struct net_device *dev, PU32 pMode, PFNWAITCALLBACK WaitCallback)
575 ** get promiscuous mode setting
577 ** Possible return values placed in pMode:
578 ** 0 = promisuous mode not set
579 ** 1 = promisuous mode is set
581 ** =========================================================================
584 RCGetPromiscuousMode (struct net_device *dev, PU32 pMode,
585 PFNWAITCALLBACK WaitCallback);
588 ** =========================================================================
589 ** RCSetBroadcastMode(struct net_device *dev, U16 Mode)
591 ** Defined values for Mode:
592 ** 0 - turn off promiscuous mode
593 ** 1 - turn on promiscuous mode
595 ** =========================================================================
597 #define BROADCAST_MODE_OFF 0
598 #define BROADCAST_MODE_ON 1
599 RC_RETURN RCSetBroadcastMode (struct net_device *dev, U16 Mode);
601 ** =========================================================================
602 ** RCGetBroadcastMode(struct net_device *dev, PU32 pMode, PFNWAITCALLBACK WaitCallback)
604 ** get broadcast mode setting
606 ** Possible return values placed in pMode:
607 ** 0 = broadcast mode not set
608 ** 1 = broadcast mode is set
610 ** =========================================================================
613 RCGetBroadcastMode (struct net_device *dev, PU32 pMode,
614 PFNWAITCALLBACK WaitCallback);
616 ** =========================================================================
617 ** RCReportDriverCapability(struct net_device *dev, U32 capability)
619 ** Currently defined bits:
620 ** WARM_REBOOT_CAPABLE 0x01
622 ** =========================================================================
624 RC_RETURN RCReportDriverCapability (struct net_device *dev, U32 capability);
627 ** RCGetFirmwareVer()
629 ** Return firmware version in the form "SoftwareVersion : Bt BootVersion"
631 ** WARNING: user's space pointed to by pFirmString should be at least 60 bytes.
634 RCGetFirmwareVer (struct net_device *dev, PU8 pFirmString,
635 PFNWAITCALLBACK WaitCallback);
638 ** ----------------------------------------------
639 ** LAN adapter Reset and Shutdown functions
640 ** ----------------------------------------------
642 /* resource flag bit assignments for RCResetLANCard() & RCShutdownLANCard() */
643 #define RC_RESOURCE_RETURN_POSTED_RX_BUCKETS 0x0001
644 #define RC_RESOURCE_RETURN_PEND_TX_BUFFERS 0x0002
649 ** Reset LAN card operation. Causes a software reset of the ethernet
650 ** controller and restarts the command and receive units. Depending on
651 ** the ResourceFlags given, the buffers are either returned to the
652 ** host with reply status of I2O_REPLY_STATUS_ABORT_NO_DATA_TRANSFER and
653 ** detailed status of I2O_LAN_DSC_CANCELED (new receive buffers must be
654 ** posted after issuing this) OR the buffers are kept and reused by
655 ** the ethernet controller. If CallbackFunction is not NULL, the function
656 ** will be called when the reset is complete. If the CallbackFunction is
657 ** NULL,a 1 will be put into the ReturnAddr after waiting for the reset
658 ** to complete (please disable I2O interrupts during this method).
659 ** Any outstanding transmit or receive buffers that are complete will be
660 ** returned via the normal reply messages before the requested resource
661 ** buffers are returned.
662 ** A call to RCPostRecvBuffers() is needed to return the ethernet to full
663 ** operation if the receive buffers were returned during LANReset.
664 ** Note: The IOP status is not affected by a LAN reset.
666 RC_RETURN RCResetLANCard (struct net_device *dev, U16 ResourceFlags,
667 PU32 ReturnAddr, PFNCALLBACK CallbackFunction);
670 ** RCShutdownLANCard()
672 ** Shutdown LAN card operation and put into an idle (suspended) state.
673 ** The LAN card is restarted with RCResetLANCard() function.
674 ** Depending on the ResourceFlags given, the buffers are either returned
675 ** to the host with reply status of I2O_REPLY_STATUS_ABORT_NO_DATA_TRANSFER
676 ** and detailed status of I2O_LAN_DSC_CANCELED (new receive buffers must be
677 ** posted after issuing this) OR the buffers are kept and reused by
678 ** the ethernet controller. If CallbackFunction is not NULL, the function
679 ** will be called when the reset is complete. If the CallbackFunction is
680 ** NULL,a 1 will be put into the ReturnAddr after waiting for the reset
681 ** to complete (please disable I2O interrupts during this method).
682 ** Any outstanding transmit or receive buffers that are complete will be
683 ** returned via the normal reply messages before the requested resource
684 ** buffers are returned.
685 ** Note: The IOP status is not affected by a LAN shutdown.
688 RCShutdownLANCard (struct net_device *dev, U16 ResourceFlags, PU32 ReturnAddr,
689 PFNCALLBACK CallbackFunction);
693 ** Initializes IOPState to I2O_IOP_STATE_RESET.
694 ** Stops access to outbound message Q.
695 ** Discards any outstanding transmit or posted receive buffers.
696 ** Clears outbound message Q.
698 RC_RETURN RCResetIOP (struct net_device *dev);
700 #endif /* RCLANMTL_H */