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/*
** *************************************************************************
**
**
** R C L A N M T L . C $Revision: 6 $
**
**
** RedCreek I2O LAN Message Transport Layer program module.
**
** ---------------------------------------------------------------------
** --- Copyright (c) 1997-1999, RedCreek Communications Inc. ---
** --- All rights reserved. ---
** ---------------------------------------------------------------------
**
** File Description:
**
** Host side I2O (Intelligent I/O) LAN message transport layer.
**
** 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.
**
** 1998-1999, LAN API was modified and enhanced by Alice Hennessy.
**
** Sometime in 1997, LAN API was written from scratch by Wendell Nichols.
** *************************************************************************
*/
#define DEBUG 1
#define RC_LINUX_MODULE
#include "rclanmtl.h"
/* RedCreek LAN device Target ID */
#define RC_LAN_TARGET_ID 0x10
/* RedCreek's OSM default LAN receive Initiator */
#define DEFAULT_RECV_INIT_CONTEXT 0xA17
/*
** I2O message structures
*/
#define I2O_TID_SZ 12
#define I2O_FUNCTION_SZ 8
/* Transaction Reply Lists (TRL) Control Word structure */
#define I2O_TRL_FLAGS_SINGLE_FIXED_LENGTH 0x00
#define I2O_TRL_FLAGS_SINGLE_VARIABLE_LENGTH 0x40
#define I2O_TRL_FLAGS_MULTIPLE_FIXED_LENGTH 0x80
/* LAN Class specific functions */
#define I2O_LAN_PACKET_SEND 0x3B
#define I2O_LAN_SDU_SEND 0x3D
#define I2O_LAN_RECEIVE_POST 0x3E
#define I2O_LAN_RESET 0x35
#define I2O_LAN_SHUTDOWN 0x37
/* Private Class specfic function */
#define I2O_PRIVATE 0xFF
/* I2O Executive Function Codes. */
#define I2O_EXEC_ADAPTER_ASSIGN 0xB3
#define I2O_EXEC_ADAPTER_READ 0xB2
#define I2O_EXEC_ADAPTER_RELEASE 0xB5
#define I2O_EXEC_BIOS_INFO_SET 0xA5
#define I2O_EXEC_BOOT_DEVICE_SET 0xA7
#define I2O_EXEC_CONFIG_VALIDATE 0xBB
#define I2O_EXEC_CONN_SETUP 0xCA
#define I2O_EXEC_DEVICE_ASSIGN 0xB7
#define I2O_EXEC_DEVICE_RELEASE 0xB9
#define I2O_EXEC_HRT_GET 0xA8
#define I2O_EXEC_IOP_CLEAR 0xBE
#define I2O_EXEC_IOP_CONNECT 0xC9
#define I2O_EXEC_IOP_RESET 0xBD
#define I2O_EXEC_LCT_NOTIFY 0xA2
#define I2O_EXEC_OUTBOUND_INIT 0xA1
#define I2O_EXEC_PATH_ENABLE 0xD3
#define I2O_EXEC_PATH_QUIESCE 0xC5
#define I2O_EXEC_PATH_RESET 0xD7
#define I2O_EXEC_STATIC_MF_CREATE 0xDD
#define I2O_EXEC_STATIC_MF_RELEASE 0xDF
#define I2O_EXEC_STATUS_GET 0xA0
#define I2O_EXEC_SW_DOWNLOAD 0xA9
#define I2O_EXEC_SW_UPLOAD 0xAB
#define I2O_EXEC_SW_REMOVE 0xAD
#define I2O_EXEC_SYS_ENABLE 0xD1
#define I2O_EXEC_SYS_MODIFY 0xC1
#define I2O_EXEC_SYS_QUIESCE 0xC3
#define I2O_EXEC_SYS_TAB_SET 0xA3
/* Init Outbound Q status */
#define I2O_EXEC_OUTBOUND_INIT_IN_PROGRESS 0x01
#define I2O_EXEC_OUTBOUND_INIT_REJECTED 0x02
#define I2O_EXEC_OUTBOUND_INIT_FAILED 0x03
#define I2O_EXEC_OUTBOUND_INIT_COMPLETE 0x04
#define I2O_UTIL_NOP 0x00
/* I2O Get Status State values */
#define I2O_IOP_STATE_INITIALIZING 0x01
#define I2O_IOP_STATE_RESET 0x02
#define I2O_IOP_STATE_HOLD 0x04
#define I2O_IOP_STATE_READY 0x05
#define I2O_IOP_STATE_OPERATIONAL 0x08
#define I2O_IOP_STATE_FAILED 0x10
#define I2O_IOP_STATE_FAULTED 0x11
/* Defines for Request Status Codes: Table 3-1 Reply Status Codes. */
#define I2O_REPLY_STATUS_SUCCESS 0x00
#define I2O_REPLY_STATUS_ABORT_DIRTY 0x01
#define I2O_REPLY_STATUS_ABORT_NO_DATA_TRANSFER 0x02
#define I2O_REPLY_STATUS_ABORT_PARTIAL_TRANSFER 0x03
#define I2O_REPLY_STATUS_ERROR_DIRTY 0x04
#define I2O_REPLY_STATUS_ERROR_NO_DATA_TRANSFER 0x05
#define I2O_REPLY_STATUS_ERROR_PARTIAL_TRANSFER 0x06
#define I2O_REPLY_STATUS_PROCESS_ABORT_DIRTY 0x07
#define I2O_REPLY_STATUS_PROCESS_ABORT_NO_DATA_TRANSFER 0x08
#define I2O_REPLY_STATUS_PROCESS_ABORT_PARTIAL_TRANSFER 0x09
#define I2O_REPLY_STATUS_TRANSACTION_ERROR 0x0A
#define I2O_REPLY_STATUS_PROGRESS_REPORT 0x80
/* DetailedStatusCode defines for ALL messages: Table 3-2 Detailed Status Codes.*/
#define I2O_DETAIL_STATUS_SUCCESS 0x0000
#define I2O_DETAIL_STATUS_BAD_KEY 0x0001
#define I2O_DETAIL_STATUS_CHAIN_BUFFER_TOO_LARGE 0x0002
#define I2O_DETAIL_STATUS_DEVICE_BUSY 0x0003
#define I2O_DETAIL_STATUS_DEVICE_LOCKED 0x0004
#define I2O_DETAIL_STATUS_DEVICE_NOT_AVAILABLE 0x0005
#define I2O_DETAIL_STATUS_DEVICE_RESET 0x0006
#define I2O_DETAIL_STATUS_INAPPROPRIATE_FUNCTION 0x0007
#define I2O_DETAIL_STATUS_INSUFFICIENT_RESOURCE_HARD 0x0008
#define I2O_DETAIL_STATUS_INSUFFICIENT_RESOURCE_SOFT 0x0009
#define I2O_DETAIL_STATUS_INVALID_INITIATOR_ADDRESS 0x000A
#define I2O_DETAIL_STATUS_INVALID_MESSAGE_FLAGS 0x000B
#define I2O_DETAIL_STATUS_INVALID_OFFSET 0x000C
#define I2O_DETAIL_STATUS_INVALID_PARAMETER 0x000D
#define I2O_DETAIL_STATUS_INVALID_REQUEST 0x000E
#define I2O_DETAIL_STATUS_INVALID_TARGET_ADDRESS 0x000F
#define I2O_DETAIL_STATUS_MESSAGE_TOO_LARGE 0x0010
#define I2O_DETAIL_STATUS_MESSAGE_TOO_SMALL 0x0011
#define I2O_DETAIL_STATUS_MISSING_PARAMETER 0x0012
#define I2O_DETAIL_STATUS_NO_SUCH_PAGE 0x0013
#define I2O_DETAIL_STATUS_REPLY_BUFFER_FULL 0x0014
#define I2O_DETAIL_STATUS_TCL_ERROR 0x0015
#define I2O_DETAIL_STATUS_TIMEOUT 0x0016
#define I2O_DETAIL_STATUS_UNKNOWN_ERROR 0x0017
#define I2O_DETAIL_STATUS_UNKNOWN_FUNCTION 0x0018
#define I2O_DETAIL_STATUS_UNSUPPORTED_FUNCTION 0x0019
#define I2O_DETAIL_STATUS_UNSUPPORTED_VERSION 0x001A
/* I2O msg header defines for VersionOffset */
#define I2OMSGVER_1_5 0x0001
#define SGL_OFFSET_0 I2OMSGVER_1_5
#define SGL_OFFSET_4 (0x0040 | I2OMSGVER_1_5)
#define TRL_OFFSET_5 (0x0050 | I2OMSGVER_1_5)
#define TRL_OFFSET_6 (0x0060 | I2OMSGVER_1_5)
/* I2O msg header defines for MsgFlags */
#define MSG_STATIC 0x0100
#define MSG_64BIT_CNTXT 0x0200
#define MSG_MULTI_TRANS 0x1000
#define MSG_FAIL 0x2000
#define MSG_LAST 0x4000
#define MSG_REPLY 0x8000
/* normal LAN request message MsgFlags and VersionOffset (0x1041) */
#define LAN_MSG_REQST (MSG_MULTI_TRANS | SGL_OFFSET_4)
/* minimum size msg */
#define THREE_WORD_MSG_SIZE 0x00030000
#define FOUR_WORD_MSG_SIZE 0x00040000
#define FIVE_WORD_MSG_SIZE 0x00050000
#define SIX_WORD_MSG_SIZE 0x00060000
#define SEVEN_WORD_MSG_SIZE 0x00070000
#define EIGHT_WORD_MSG_SIZE 0x00080000
#define NINE_WORD_MSG_SIZE 0x00090000
/* Special TID Assignments */
#define I2O_IOP_TID 0
#define I2O_HOST_TID 0xB91
/* RedCreek I2O private message codes */
#define RC_PRIVATE_GET_MAC_ADDR 0x0001/**/ /* OBSOLETE */
#define RC_PRIVATE_SET_MAC_ADDR 0x0002
#define RC_PRIVATE_GET_NIC_STATS 0x0003
#define RC_PRIVATE_GET_LINK_STATUS 0x0004
#define RC_PRIVATE_SET_LINK_SPEED 0x0005
#define RC_PRIVATE_SET_IP_AND_MASK 0x0006
/* #define RC_PRIVATE_GET_IP_AND_MASK 0x0007 *//* OBSOLETE */
#define RC_PRIVATE_GET_LINK_SPEED 0x0008
#define RC_PRIVATE_GET_FIRMWARE_REV 0x0009
/* #define RC_PRIVATE_GET_MAC_ADDR 0x000A */
#define RC_PRIVATE_GET_IP_AND_MASK 0x000B
#define RC_PRIVATE_DEBUG_MSG 0x000C
#define RC_PRIVATE_REPORT_DRIVER_CAPABILITY 0x000D
#define RC_PRIVATE_SET_PROMISCUOUS_MODE 0x000e
#define RC_PRIVATE_GET_PROMISCUOUS_MODE 0x000f
#define RC_PRIVATE_SET_BROADCAST_MODE 0x0010
#define RC_PRIVATE_GET_BROADCAST_MODE 0x0011
#define RC_PRIVATE_REBOOT 0x00FF
/* I2O message header */
typedef struct _I2O_MESSAGE_FRAME {
U8 VersionOffset;
U8 MsgFlags;
U16 MessageSize;
BF TargetAddress:I2O_TID_SZ;
BF InitiatorAddress:I2O_TID_SZ;
BF Function:I2O_FUNCTION_SZ;
U32 InitiatorContext;
/* SGL[] */
} I2O_MESSAGE_FRAME, *PI2O_MESSAGE_FRAME;
/* assumed a 16K minus 256 byte space for outbound queue message frames */
#define MSG_FRAME_SIZE 512
#define NMBR_MSG_FRAMES 30
/*
** in reserved space right after PAB in host memory is area for returning
** values from card
*/
/*
** typedef NICSTAT
**
** Data structure for NIC statistics retruned from PCI card. Data copied from
** here to user allocated RCLINKSTATS (see rclanmtl.h) structure.
*/
typedef struct tag_NicStat {
unsigned long TX_good;
unsigned long TX_maxcol;
unsigned long TX_latecol;
unsigned long TX_urun;
unsigned long TX_crs; /* lost carrier sense */
unsigned long TX_def; /* transmit deferred */
unsigned long TX_singlecol; /* single collisions */
unsigned long TX_multcol;
unsigned long TX_totcol;
unsigned long Rcv_good;
unsigned long Rcv_CRCerr;
unsigned long Rcv_alignerr;
unsigned long Rcv_reserr; /* rnr'd pkts */
unsigned long Rcv_orun;
unsigned long Rcv_cdt;
unsigned long Rcv_runt;
unsigned long dump_status; /* last field directly from the chip */
} NICSTAT, *P_NICSTAT;
#define DUMP_DONE 0x0000A005 /* completed statistical dump */
#define DUMP_CLEAR 0x0000A007 /* completed stat dump and clear counters */
static volatile int msgFlag;
/* local function prototypes */
static void ProcessOutboundI2OMsg (PPAB pPab, U32 phyMsgAddr);
static int FillI2OMsgSGLFromTCB (PU32 pMsg, PRCTCB pXmitCntrlBlock);
static int GetI2OStatus (PPAB pPab);
static int SendI2OOutboundQInitMsg (PPAB pPab);
static int SendEnableSysMsg (PPAB pPab);
/*
** =========================================================================
** RCInitI2OMsgLayer()
**
** Initialize the RedCreek I2O Module and adapter.
**
** Inputs: dev - the devices net_device struct
** TransmitCallbackFunction - address of transmit callback function
** ReceiveCallbackFunction - address of receive callback function
**
** private message block is allocated by user. It must be in locked pages.
** p_msgbuf and p_phymsgbuf point to the same location. Must be contigous
** memory block of a minimum of 16K byte and long word aligned.
** =========================================================================
*/
RC_RETURN
RCInitI2OMsgLayer (struct net_device *dev,
PFNTXCALLBACK TransmitCallbackFunction,
PFNRXCALLBACK ReceiveCallbackFunction,
PFNCALLBACK RebootCallbackFunction)
{
int result;
PPAB pPab;
PDPA pDpa = dev->priv;
U32 pciBaseAddr = dev->base_addr;
PU8 p_msgbuf = pDpa->PLanApiPA;
PU8 p_phymsgbuf = (PU8) virt_to_bus ((void *) p_msgbuf);
dprintk
("InitI2O: Adapter:0x%x ATU:0x%x msgbuf:0x%x phymsgbuf:0x%x\n"
"TransmitCallbackFunction:0x%x ReceiveCallbackFunction:0x%x\n",
pDpa->id, pciBaseAddr, (u32) p_msgbuf, (u32) p_phymsgbuf,
(u32) TransmitCallbackFunction, (u32) ReceiveCallbackFunction);
/* Check if this interface already initialized - if so, shut it down */
if (pDpa->pPab != NULL) {
dprintk (KERN_WARNING
"pDpa->pPab [%d] != NULL\n",
pDpa->id);
/* RCResetLANCard(pDpa->id, 0, (PU32)NULL, (PFNCALLBACK)NULL); */
pDpa->pPab = NULL;
}
/* store adapter instance values in adapter block.
* Adapter block is at beginning of message buffer */
pPab = kmalloc (sizeof (*pPab), GFP_KERNEL);
if (!pPab) {
dprintk (KERN_ERR
"RCInitI2OMsgLayer: Could not allocate memory for PAB struct!\n");
result = RC_RTN_MALLOC_ERROR;
goto err_out;
}
memset (pPab, 0, sizeof (*pPab));
pDpa->pPab = pPab;
pPab->p_atu = (PATU) pciBaseAddr;
pPab->pPci45LinBaseAddr = (PU8) pciBaseAddr;
/* Set outbound message frame addr */
pPab->outMsgBlockPhyAddr = (U32) p_phymsgbuf;
pPab->pLinOutMsgBlock = (PU8) p_msgbuf;
/* store callback function addresses */
pPab->pTransCallbackFunc = TransmitCallbackFunction;
pPab->pRecvCallbackFunc = ReceiveCallbackFunction;
pPab->pRebootCallbackFunc = RebootCallbackFunction;
pPab->pCallbackFunc = (PFNCALLBACK) NULL;
/*
** Initialize I2O IOP
*/
result = GetI2OStatus (pPab);
if (result != RC_RTN_NO_ERROR)
goto err_out_dealloc;
if (pPab->IOPState == I2O_IOP_STATE_OPERATIONAL) {
dprintk (KERN_INFO "pPab->IOPState == op: resetting adapter\n");
RCResetLANCard (dev, 0, (PU32) NULL, (PFNCALLBACK) NULL);
}
result = SendI2OOutboundQInitMsg (pPab);
if (result != RC_RTN_NO_ERROR)
goto err_out_dealloc;
result = SendEnableSysMsg (pPab);
if (result != RC_RTN_NO_ERROR)
goto err_out_dealloc;
return RC_RTN_NO_ERROR;
err_out_dealloc:
kfree (pPab);
err_out:
return result;
}
/*
** =========================================================================
** Disable and Enable I2O interrupts. I2O 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 received buffers and packets will
** be sent through RCI2OSendPacket() functions. Disabling I2O interrupts
** will prevent hardware interrupt to host even though the outbound I2O msg
** queue is not emtpy.
** =========================================================================
*/
#define i960_OUT_POST_Q_INT_BIT 0x0008 /* bit set masks interrupts */
RC_RETURN
RCDisableI2OInterrupts (struct net_device * dev)
{
PPAB pPab = ((PDPA) dev->priv)->pPab;
if (pPab == NULL)
return RC_RTN_ADPTR_NOT_REGISTERED;
pPab->p_atu->OutIntMask |= i960_OUT_POST_Q_INT_BIT;
return RC_RTN_NO_ERROR;
}
RC_RETURN
RCEnableI2OInterrupts (struct net_device * dev)
{
PPAB pPab = ((PDPA) dev->priv)->pPab;
if (pPab == NULL)
return RC_RTN_ADPTR_NOT_REGISTERED;
pPab->p_atu->OutIntMask &= ~i960_OUT_POST_Q_INT_BIT;
return RC_RTN_NO_ERROR;
}
/*
** =========================================================================
** RCI2OSendPacket()
** =========================================================================
*/
RC_RETURN
RCI2OSendPacket (struct net_device * dev, U32 InitiatorContext,
PRCTCB pTransCtrlBlock)
{
U32 msgOffset;
PU32 pMsg;
int size;
PPAB pPab = ((PDPA) dev->priv)->pPab;
dprintk ("RCI2OSendPacket()...\n");
if (pPab == NULL)
return RC_RTN_ADPTR_NOT_REGISTERED;
/* get Inbound free Q entry - reading from In Q gets free Q entry */
/* offset to Msg Frame in PCI msg block */
msgOffset = pPab->p_atu->InQueue;
if (msgOffset == 0xFFFFFFFF) {
dprintk ("RCI2OSendPacket(): Inbound Free Q empty!\n");
return RC_RTN_FREE_Q_EMPTY;
}
/* calc virtual address of msg - virtual already mapped to physical */
pMsg = (PU32) (pPab->pPci45LinBaseAddr + msgOffset);
size = FillI2OMsgSGLFromTCB (pMsg + 4, pTransCtrlBlock);
if (size == -1) { /* error processing TCB - send NOP msg */
dprintk ("RCI2OSendPacket(): Error Rrocess TCB!\n");
pMsg[0] = THREE_WORD_MSG_SIZE | SGL_OFFSET_0;
pMsg[1] =
I2O_UTIL_NOP << 24 | I2O_HOST_TID << 12 | RC_LAN_TARGET_ID;
return RC_RTN_TCB_ERROR;
} else { /* send over msg header */
pMsg[0] = (size + 4) << 16 | LAN_MSG_REQST; /* send over message size and flags */
pMsg[1] =
I2O_LAN_PACKET_SEND << 24 | I2O_HOST_TID << 12 |
RC_LAN_TARGET_ID;
pMsg[2] = InitiatorContext;
pMsg[3] = 0; /* batch reply */
/* post to Inbound Post Q */
pPab->p_atu->InQueue = msgOffset;
return RC_RTN_NO_ERROR;
}
}
/*
** =========================================================================
** RCI2OPostRecvBuffer()
**
** inputs: pBufrCntrlBlock - pointer to buffer control block
**
** returns TRUE if successful in sending message, else FALSE.
** =========================================================================
*/
RC_RETURN
RCPostRecvBuffers (struct net_device * dev, PRCTCB pTransCtrlBlock)
{
U32 msgOffset;
PU32 pMsg;
int size;
PPAB pPab = ((PDPA) dev->priv)->pPab;
dprintk ("RCPostRecvBuffers()...\n");
/* search for DeviceHandle */
if (pPab == NULL)
return RC_RTN_ADPTR_NOT_REGISTERED;
/* get Inbound free Q entry - reading from In Q gets free Q entry */
/* offset to Msg Frame in PCI msg block */
msgOffset = pPab->p_atu->InQueue;
if (msgOffset == 0xFFFFFFFF) {
dprintk ("RCPostRecvBuffers(): Inbound Free Q empty!\n");
return RC_RTN_FREE_Q_EMPTY;
}
/* calc virtual address of msg - virtual already mapped to physical */
pMsg = (PU32) (pPab->pPci45LinBaseAddr + msgOffset);
size = FillI2OMsgSGLFromTCB (pMsg + 4, pTransCtrlBlock);
if (size == -1) { /* error prcessing TCB - send 3 DWORD private msg == NOP */
dprintk
("RCPostRecvBuffers(): Error Processing TCB! size = %d\n",
size);
pMsg[0] = THREE_WORD_MSG_SIZE | SGL_OFFSET_0;
pMsg[1] =
I2O_UTIL_NOP << 24 | I2O_HOST_TID << 12 | RC_LAN_TARGET_ID;
/* post to Post Q */
pPab->p_atu->InQueue = msgOffset;
return RC_RTN_TCB_ERROR;
} else { /* send over size msg header */
pMsg[0] = (size + 4) << 16 | LAN_MSG_REQST; /* send over message size and flags */
pMsg[1] =
I2O_LAN_RECEIVE_POST << 24 | I2O_HOST_TID << 12 |
RC_LAN_TARGET_ID;
pMsg[2] = DEFAULT_RECV_INIT_CONTEXT;
pMsg[3] = *(PU32) pTransCtrlBlock; /* number of packet buffers */
/* post to Post Q */
pPab->p_atu->InQueue = msgOffset;
return RC_RTN_NO_ERROR;
}
}
/*
** =========================================================================
** RCProcI2OMsgQ()
**
** Process I2O outbound message queue until empty.
** =========================================================================
*/
void
RCProcI2OMsgQ (struct net_device *dev)
{
U32 phyAddrMsg;
PU8 p8Msg;
PU32 p32;
U16 count;
PPAB pPab = ((PDPA) dev->priv)->pPab;
unsigned char debug_msg[20];
if (pPab == NULL)
return;
phyAddrMsg = pPab->p_atu->OutQueue;
while (phyAddrMsg != 0xFFFFFFFF) {
p8Msg =
pPab->pLinOutMsgBlock + (phyAddrMsg -
pPab->outMsgBlockPhyAddr);
p32 = (PU32) p8Msg;
dprintk ("msg: 0x%x 0x%x \n", p8Msg[7], p32[5]);
/* Send Packet Reply Msg */
if (I2O_LAN_PACKET_SEND == p8Msg[7]) { /* function code byte */
count = *(PU16) (p8Msg + 2);
count -= p8Msg[0] >> 4;
/* status, count, context[], adapter */
(*pPab->pTransCallbackFunc) (p8Msg[19], count, p32 + 5,
dev);
} else if (I2O_LAN_RECEIVE_POST == p8Msg[7]) { /* Receive Packet Reply Msg */
dprintk
("I2O_RECV_REPLY pPab:0x%x p8Msg:0x%x p32:0x%x\n",
(u32) pPab, (u32) p8Msg, (u32) p32);
dprintk ("msg: 0x%x:0x%x:0x%x:0x%x\n",
p32[0], p32[1], p32[2], p32[3]);
dprintk (" 0x%x:0x%x:0x%x:0x%x\n",
p32[4], p32[5], p32[6], p32[7]);
dprintk (" 0x%x:0X%x:0x%x:0x%x\n",
p32[8], p32[9], p32[10], p32[11]);
/* status, count, buckets remaining, packetParmBlock, adapter */
(*pPab->pRecvCallbackFunc) (p8Msg[19], p8Msg[12],
p32[5], p32 + 6, dev);
} else if (I2O_LAN_RESET == p8Msg[7]
|| I2O_LAN_SHUTDOWN == p8Msg[7])
if (pPab->pCallbackFunc)
(*pPab->pCallbackFunc) (p8Msg[19], 0, 0, dev);
else
pPab->pCallbackFunc = (PFNCALLBACK) 1;
else if (I2O_PRIVATE == p8Msg[7]) {
dprintk ("i2o private 0x%x, 0x%x \n", p8Msg[7], p32[5]);
switch (p32[5]) {
case RC_PRIVATE_DEBUG_MSG:
msgFlag = 1;
dprintk ("Received I2O_PRIVATE msg\n");
debug_msg[15] = (p32[6] & 0xff000000) >> 24;
debug_msg[14] = (p32[6] & 0x00ff0000) >> 16;
debug_msg[13] = (p32[6] & 0x0000ff00) >> 8;
debug_msg[12] = (p32[6] & 0x000000ff);
debug_msg[11] = (p32[7] & 0xff000000) >> 24;
debug_msg[10] = (p32[7] & 0x00ff0000) >> 16;
debug_msg[9] = (p32[7] & 0x0000ff00) >> 8;
debug_msg[8] = (p32[7] & 0x000000ff);
debug_msg[7] = (p32[8] & 0xff000000) >> 24;
debug_msg[6] = (p32[8] & 0x00ff0000) >> 16;
debug_msg[5] = (p32[8] & 0x0000ff00) >> 8;
debug_msg[4] = (p32[8] & 0x000000ff);
debug_msg[3] = (p32[9] & 0xff000000) >> 24;
debug_msg[2] = (p32[9] & 0x00ff0000) >> 16;
debug_msg[1] = (p32[9] & 0x0000ff00) >> 8;
debug_msg[0] = (p32[9] & 0x000000ff);
debug_msg[16] = '\0';
dprintk ("%s", debug_msg);
break;
case RC_PRIVATE_REBOOT:
dprintk ("Adapter reboot initiated...\n");
if (pPab->pRebootCallbackFunc)
(*pPab->pRebootCallbackFunc) (0, 0, 0,
dev);
break;
default:
dprintk (KERN_WARNING
"Unknown private I2O msg received: 0x%x\n",
p32[5]);
break;
}
}
/*
** Process other Msg's
*/
else
ProcessOutboundI2OMsg (pPab, phyAddrMsg);
/* return MFA to outbound free Q */
pPab->p_atu->OutQueue = phyAddrMsg;
/* any more msgs? */
phyAddrMsg = pPab->p_atu->OutQueue;
}
}
/*
** =========================================================================
** Returns LAN interface statistical counters to space provided by caller at
** StatsReturnAddr. Returns 0 if success, else RC_RETURN code.
** This function will call the WaitCallback function provided by
** user while waiting for card to respond.
** =========================================================================
*/
RC_RETURN
RCGetLinkStatistics (struct net_device *dev,
P_RCLINKSTATS StatsReturnAddr,
PFNWAITCALLBACK WaitCallback)
{
U32 msgOffset;
volatile PU32 pMsg;
volatile PU32 p32, pReturnAddr;
P_NICSTAT pStats;
int i;
PPAB pPab = ((PDPA) dev->priv)->pPab;
/*dprintk("Get82558Stats() StatsReturnAddr:0x%x\n", StatsReturnAddr); */
if (pPab == NULL)
return RC_RTN_ADPTR_NOT_REGISTERED;
msgOffset = pPab->p_atu->InQueue;
if (msgOffset == 0xFFFFFFFF) {
dprintk ("Get8255XStats(): Inbound Free Q empty!\n");
return RC_RTN_FREE_Q_EMPTY;
}
/* calc virtual address of msg - virtual already mapped to physical */
pMsg = (PU32) (pPab->pPci45LinBaseAddr + msgOffset);
/*dprintk("Get82558Stats - pMsg = 0x%x, InQ msgOffset = 0x%x\n", pMsg, msgOffset);*/
/*dprintk("Get82558Stats - pMsg = 0x%08X, InQ msgOffset = 0x%08X\n", pMsg, msgOffset);*/
pMsg[0] = SIX_WORD_MSG_SIZE | SGL_OFFSET_0;
pMsg[1] = I2O_PRIVATE << 24 | I2O_HOST_TID << 12 | RC_LAN_TARGET_ID;
pMsg[2] = DEFAULT_RECV_INIT_CONTEXT;
pMsg[3] = 0x112; /* transaction context */
pMsg[4] = RC_PCI45_VENDOR_ID << 16 | RC_PRIVATE_GET_NIC_STATS;
pMsg[5] = pPab->outMsgBlockPhyAddr;
// p32 = (PU32) pPab->outMsgBlockPhyAddr;
p32 = (PU32)pPab->pLinOutMsgBlock;
pStats = (P_NICSTAT) pPab->pLinOutMsgBlock;
pStats->dump_status = 0xFFFFFFFF;
/* post to Inbound Post Q */
pPab->p_atu->InQueue = msgOffset;
i = 0;
while (pStats->dump_status == 0xFFFFFFFF) {
if (i++ > 0xff) {
dprintk ("Timeout waiting for NIC statistics\n");
return RC_RTN_MSG_REPLY_TIMEOUT;
}
udelay(50);
}
pReturnAddr = (PU32) StatsReturnAddr;
/* copy Nic stats to user's structure */
for (i = 0; i < (int) sizeof (RCLINKSTATS) / 4; i++)
pReturnAddr[i] = p32[i];
return RC_RTN_NO_ERROR;
}
/*
** =========================================================================
** Get82558LinkStatus()
** =========================================================================
*/
RC_RETURN
RCGetLinkStatus (struct net_device * dev, PU32 ReturnAddr,
PFNWAITCALLBACK WaitCallback)
{
int i;
U32 msgOffset;
volatile PU32 pMsg;
volatile PU32 p32;
PPAB pPab = ((PDPA) dev->priv)->pPab;
dprintk ("Get82558LinkStatus() ReturnPhysAddr:0x%x\n",
(u32) ReturnAddr);
if (pPab == NULL)
return RC_RTN_ADPTR_NOT_REGISTERED;
msgOffset = pPab->p_atu->InQueue;
if (msgOffset == 0xFFFFFFFF) {
dprintk ("Get82558LinkStatus(): Inbound Free Q empty!\n");
return RC_RTN_FREE_Q_EMPTY;
}
/* calc virtual address of msg - virtual already mapped to physical */
pMsg = (PU32) (pPab->pPci45LinBaseAddr + msgOffset);
/*dprintk("Get82558LinkStatus - pMsg = 0x%x, InQ msgOffset = 0x%x\n", pMsg, msgOffset);*/
/*dprintk("Get82558LinkStatus - pMsg = 0x%08X, InQ msgOffset = 0x%08X\n", pMsg, msgOffset);*/
pMsg[0] = SIX_WORD_MSG_SIZE | SGL_OFFSET_0;
pMsg[1] = I2O_PRIVATE << 24 | I2O_HOST_TID << 12 | RC_LAN_TARGET_ID;
pMsg[2] = DEFAULT_RECV_INIT_CONTEXT;
pMsg[3] = 0x112; /* transaction context */
pMsg[4] = RC_PCI45_VENDOR_ID << 16 | RC_PRIVATE_GET_LINK_STATUS;
pMsg[5] = pPab->outMsgBlockPhyAddr;
p32 = (PU32) pPab->pLinOutMsgBlock;
*p32 = 0xFFFFFFFF;
/* post to Inbound Post Q */
pPab->p_atu->InQueue = msgOffset;
i = 0;
while (*p32 == 0xFFFFFFFF) {
if (i++ > 0xff) {
dprintk ("Timeout waiting for link status\n");
return RC_RTN_MSG_REPLY_TIMEOUT;
}
udelay(50);
}
*ReturnAddr = *p32; /* 1 = up 0 = down */
return RC_RTN_NO_ERROR;
}
/*
** =========================================================================
** RCGetMAC()
**
** get the MAC address the adapter is listening for in non-promiscous mode.
** MAC address is in media format.
** =========================================================================
*/
RC_RETURN
RCGetMAC (struct net_device * dev, PFNWAITCALLBACK WaitCallback)
{
U32 off, i;
PU8 mac = dev->dev_addr;
PU32 p;
U32 temp[2];
PPAB pPab = ((PDPA) dev->priv)->pPab;
PATU p_atu;
if (pPab == NULL)
return RC_RTN_ADPTR_NOT_REGISTERED;
p_atu = pPab->p_atu;
p_atu->EtherMacLow = 0; /* first zero return data */
p_atu->EtherMacHi = 0;
off = p_atu->InQueue; /* get addresss of message */
if (0xFFFFFFFF == off)
return RC_RTN_FREE_Q_EMPTY;
p = (PU32) (pPab->pPci45LinBaseAddr + off);
dprintk ("RCGetMAC: p_atu 0x%08x, off 0x%08x, p 0x%08x\n",
(uint) p_atu, (uint) off, (uint) p);
/* setup private message */
p[0] = FIVE_WORD_MSG_SIZE | SGL_OFFSET_0;
p[1] = I2O_PRIVATE << 24 | I2O_HOST_TID << 12 | RC_LAN_TARGET_ID;
p[2] = 0; /* initiator context */
p[3] = 0x218; /* transaction context */
p[4] = RC_PCI45_VENDOR_ID << 16 | RC_PRIVATE_GET_MAC_ADDR;
p_atu->InQueue = off; /* send it to the I2O device */
dprintk ("RCGetMAC: p_atu 0x%08x, off 0x%08x, p 0x%08x\n",
(uint) p_atu, (uint) off, (uint) p);
/* wait for the rcpci45 board to update the info */
i = 0;
while (0 == p_atu->EtherMacLow) {
if (i++ > 0xff) {
dprintk ("rc_getmac: Timeout\n");
return RC_RTN_MSG_REPLY_TIMEOUT;
}
udelay(50);
}
/* read the mac address */
temp[0] = p_atu->EtherMacLow;
temp[1] = p_atu->EtherMacHi;
memcpy ((char *) mac, (char *) temp, 6);
dprintk ("rc_getmac: 0x%x\n", (u32) mac);
return RC_RTN_NO_ERROR;
}
/*
** =========================================================================
** RCSetMAC()
**
** set MAC address the adapter is listening for in non-promiscous mode.
** MAC address is in media format.
** =========================================================================
*/
RC_RETURN
RCSetMAC (struct net_device * dev, PU8 mac)
{
U32 off;
PU32 pMsg;
PPAB pPab = ((PDPA) dev->priv)->pPab;
if (pPab == NULL)
return RC_RTN_ADPTR_NOT_REGISTERED;
off = pPab->p_atu->InQueue; /* get addresss of message */
if (0xFFFFFFFF == off)
return RC_RTN_FREE_Q_EMPTY;
pMsg = (PU32) (pPab->pPci45LinBaseAddr + off);
/* setup private message */
pMsg[0] = SEVEN_WORD_MSG_SIZE | SGL_OFFSET_0;
pMsg[1] = I2O_PRIVATE << 24 | I2O_HOST_TID << 12 | RC_LAN_TARGET_ID;
pMsg[2] = 0; /* initiator context */
pMsg[3] = 0x219; /* transaction context */
pMsg[4] = RC_PCI45_VENDOR_ID << 16 | RC_PRIVATE_SET_MAC_ADDR;
pMsg[5] = *(unsigned *) mac; /* first four bytes */
pMsg[6] = *(unsigned *) (mac + 4); /* last two bytes */
pPab->p_atu->InQueue = off; /* send it to the I2O device */
return RC_RTN_NO_ERROR;
}
/*
** =========================================================================
** RCSetLinkSpeed()
**
** set ethernet link speed.
** input: speedControl - determines action to take as follows
** 0 = reset and auto-negotiate (NWay)
** 1 = Full Duplex 100BaseT
** 2 = Half duplex 100BaseT
** 3 = Full Duplex 10BaseT
** 4 = Half duplex 10BaseT
** all other values are ignore (do nothing)
** =========================================================================
*/
RC_RETURN
RCSetLinkSpeed (struct net_device * dev, U16 LinkSpeedCode)
{
U32 off;
PU32 pMsg;
PPAB pPab = ((PDPA) dev->priv)->pPab;
if (pPab == NULL)
return RC_RTN_ADPTR_NOT_REGISTERED;
off = pPab->p_atu->InQueue; /* get addresss of message */
if (0xFFFFFFFF == off)
return RC_RTN_FREE_Q_EMPTY;
pMsg = (PU32) (pPab->pPci45LinBaseAddr + off);
/* setup private message */
pMsg[0] = SIX_WORD_MSG_SIZE | SGL_OFFSET_0;
pMsg[1] = I2O_PRIVATE << 24 | I2O_HOST_TID << 12 | RC_LAN_TARGET_ID;
pMsg[2] = 0; /* initiator context */
pMsg[3] = 0x219; /* transaction context */
pMsg[4] = RC_PCI45_VENDOR_ID << 16 | RC_PRIVATE_SET_LINK_SPEED;
pMsg[5] = LinkSpeedCode; /* link speed code */
pPab->p_atu->InQueue = off; /* send it to the I2O device */
return RC_RTN_NO_ERROR;
}
/*
** =========================================================================
** RCSetPromiscuousMode()
**
** Defined values for Mode:
** 0 - turn off promiscuous mode
** 1 - turn on promiscuous mode
**
** =========================================================================
*/
RC_RETURN
RCSetPromiscuousMode (struct net_device * dev, U16 Mode)
{
U32 off;
PU32 pMsg;
PPAB pPab = ((PDPA) dev->priv)->pPab;
if (pPab == NULL)
return RC_RTN_ADPTR_NOT_REGISTERED;
off = pPab->p_atu->InQueue; /* get addresss of message */
if (0xFFFFFFFF == off)
return RC_RTN_FREE_Q_EMPTY;
pMsg = (PU32) (pPab->pPci45LinBaseAddr + off);
/* setup private message */
pMsg[0] = SIX_WORD_MSG_SIZE | SGL_OFFSET_0;
pMsg[1] = I2O_PRIVATE << 24 | I2O_HOST_TID << 12 | RC_LAN_TARGET_ID;
pMsg[2] = 0; /* initiator context */
pMsg[3] = 0x219; /* transaction context */
pMsg[4] = RC_PCI45_VENDOR_ID << 16 | RC_PRIVATE_SET_PROMISCUOUS_MODE;
pMsg[5] = Mode; /* promiscuous mode setting */
pPab->p_atu->InQueue = off; /* send it to the device */
return RC_RTN_NO_ERROR;
}
/*
** =========================================================================
** RCGetPromiscuousMode()
**
** get promiscuous mode setting
**
** Possible return values placed in pMode:
** 0 = promisuous mode not set
** 1 = promisuous mode is set
**
** =========================================================================
*/
RC_RETURN
RCGetPromiscuousMode (struct net_device * dev, PU32 pMode,
PFNWAITCALLBACK WaitCallback)
{
PU32 pMsg;
volatile PU32 p32;
U32 msgOffset, i;
PPAB pPab = ((PDPA) dev->priv)->pPab;
msgOffset = pPab->p_atu->InQueue;
if (msgOffset == 0xFFFFFFFF) {
dprintk (KERN_WARNING
"RCGetLinkSpeed(): Inbound Free Q empty!\n");
return RC_RTN_FREE_Q_EMPTY;
}
/* calc virtual address of msg - virtual already mapped to physical */
pMsg = (PU32) (pPab->pPci45LinBaseAddr + msgOffset);
/* virtual pointer to return buffer - clear first two dwords */
p32 = (volatile PU32) pPab->pLinOutMsgBlock;
p32[0] = 0xff;
/* setup private message */
pMsg[0] = SIX_WORD_MSG_SIZE | SGL_OFFSET_0;
pMsg[1] = I2O_PRIVATE << 24 | I2O_HOST_TID << 12 | RC_LAN_TARGET_ID;
pMsg[2] = 0; /* initiator context */
pMsg[3] = 0x219; /* transaction context */
pMsg[4] = RC_PCI45_VENDOR_ID << 16 | RC_PRIVATE_GET_PROMISCUOUS_MODE;
/* phys address to return status - area right after PAB */
pMsg[5] = pPab->outMsgBlockPhyAddr;
/* post to Inbound Post Q */
pPab->p_atu->InQueue = msgOffset;
i = 0;
/* wait for response */
while (p32[0] == 0xff) {
if (i++ > 0xff) {
dprintk ("Timeout waiting for promiscuous mode\n");
return RC_RTN_NO_LINK_SPEED;
}
udelay(50);
}
/* get mode */
*pMode = (U8) ((volatile PU8) p32)[0] & 0x0f;
return RC_RTN_NO_ERROR;
}
/*
** =========================================================================
** RCSetBroadcastMode()
**
** Defined values for Mode:
** 0 - turn off promiscuous mode
** 1 - turn on promiscuous mode
**
** =========================================================================
*/
RC_RETURN
RCSetBroadcastMode (struct net_device * dev, U16 Mode)
{
U32 off;
PU32 pMsg;
PPAB pPab = ((PDPA) dev->priv)->pPab;
if (pPab == NULL)
return RC_RTN_ADPTR_NOT_REGISTERED;
off = pPab->p_atu->InQueue; /* get addresss of message */
if (0xFFFFFFFF == off)
return RC_RTN_FREE_Q_EMPTY;
pMsg = (PU32) (pPab->pPci45LinBaseAddr + off);
/* setup private message */
pMsg[0] = SIX_WORD_MSG_SIZE | SGL_OFFSET_0;
pMsg[1] = I2O_PRIVATE << 24 | I2O_HOST_TID << 12 | RC_LAN_TARGET_ID;
pMsg[2] = 0; /* initiator context */
pMsg[3] = 0x219; /* transaction context */
pMsg[4] = RC_PCI45_VENDOR_ID << 16 | RC_PRIVATE_SET_BROADCAST_MODE;
pMsg[5] = Mode; /* promiscuous mode setting */
pPab->p_atu->InQueue = off; /* send it to the device */
return RC_RTN_NO_ERROR;
}
/*
** =========================================================================
** RCGetBroadcastMode()
**
** get promiscuous mode setting
**
** Possible return values placed in pMode:
** 0 = promisuous mode not set
** 1 = promisuous mode is set
**
** =========================================================================
*/
RC_RETURN
RCGetBroadcastMode (struct net_device * dev, PU32 pMode,
PFNWAITCALLBACK WaitCallback)
{
U32 msgOffset;
PU32 pMsg;
volatile PU32 p32;
PPAB pPab = ((PDPA) dev->priv)->pPab;
msgOffset = pPab->p_atu->InQueue;
if (msgOffset == 0xFFFFFFFF) {
dprintk (KERN_WARNING
"RCGetLinkSpeed(): Inbound Free Q empty!\n");
return RC_RTN_FREE_Q_EMPTY;
}
/* calc virtual address of msg - virtual already mapped to physical */
pMsg = (PU32) (pPab->pPci45LinBaseAddr + msgOffset);
/* virtual pointer to return buffer - clear first two dwords */
p32 = (volatile PU32) pPab->pLinOutMsgBlock;
p32[0] = 0xff;
/* setup private message */
pMsg[0] = SIX_WORD_MSG_SIZE | SGL_OFFSET_0;
pMsg[1] = I2O_PRIVATE << 24 | I2O_HOST_TID << 12 | RC_LAN_TARGET_ID;
pMsg[2] = 0; /* initiator context */
pMsg[3] = 0x219; /* transaction context */
pMsg[4] = RC_PCI45_VENDOR_ID << 16 | RC_PRIVATE_GET_BROADCAST_MODE;
/* phys address to return status - area right after PAB */
pMsg[5] = pPab->outMsgBlockPhyAddr;
/* post to Inbound Post Q */
pPab->p_atu->InQueue = msgOffset;
/* wait for response */
if (p32[0] == 0xff) {
dprintk (KERN_WARNING
"Timeout waiting for promiscuous mode\n");
return RC_RTN_NO_LINK_SPEED;
}
/* get mode */
*pMode = (U8) ((volatile PU8) p32)[0] & 0x0f;
return RC_RTN_NO_ERROR;
}
/*
** =========================================================================
** RCGetLinkSpeed()
**
** get ethernet link speed.
**
** 0 = Unknown
** 1 = Full Duplex 100BaseT
** 2 = Half duplex 100BaseT
** 3 = Full Duplex 10BaseT
** 4 = Half duplex 10BaseT
**
** =========================================================================
*/
RC_RETURN
RCGetLinkSpeed (struct net_device * dev, PU32 pLinkSpeedCode,
PFNWAITCALLBACK WaitCallback)
{
U32 msgOffset, i;
PU32 pMsg;
volatile PU32 p32;
U8 IOPLinkSpeed;
PPAB pPab = ((PDPA) dev->priv)->pPab;
msgOffset = pPab->p_atu->InQueue;
if (msgOffset == 0xFFFFFFFF) {
dprintk (KERN_WARNING
"RCGetLinkSpeed(): Inbound Free Q empty!\n");
return RC_RTN_FREE_Q_EMPTY;
}
/* calc virtual address of msg - virtual already mapped to physical */
pMsg = (PU32) (pPab->pPci45LinBaseAddr + msgOffset);
/* virtual pointer to return buffer - clear first two dwords */
p32 = (volatile PU32) pPab->pLinOutMsgBlock;
p32[0] = 0xff;
/* setup private message */
pMsg[0] = SIX_WORD_MSG_SIZE | SGL_OFFSET_0;
pMsg[1] = I2O_PRIVATE << 24 | I2O_HOST_TID << 12 | RC_LAN_TARGET_ID;
pMsg[2] = 0; /* initiator context */
pMsg[3] = 0x219; /* transaction context */
pMsg[4] = RC_PCI45_VENDOR_ID << 16 | RC_PRIVATE_GET_LINK_SPEED;
/* phys address to return status - area right after PAB */
pMsg[5] = pPab->outMsgBlockPhyAddr;
/* post to Inbound Post Q */
pPab->p_atu->InQueue = msgOffset;
/* wait for response */
i = 0;
while (p32[0] == 0xff) {
if (i++ > 0xff) {
dprintk ("Timeout waiting for link speed\n");
return RC_RTN_NO_LINK_SPEED;
}
udelay(50);
}
/* get Link speed */
IOPLinkSpeed = (U8) ((volatile PU8) p32)[0] & 0x0f;
*pLinkSpeedCode = IOPLinkSpeed;
return RC_RTN_NO_ERROR;
}
/*
** =========================================================================
** RCReportDriverCapability(struct net_device *dev, U32 capability)
**
** Currently defined bits:
** WARM_REBOOT_CAPABLE 0x01
**
** =========================================================================
*/
RC_RETURN
RCReportDriverCapability (struct net_device * dev, U32 capability)
{
U32 off;
PU32 pMsg;
PPAB pPab = ((PDPA) dev->priv)->pPab;
if (pPab == NULL)
return RC_RTN_ADPTR_NOT_REGISTERED;
off = pPab->p_atu->InQueue; /* get addresss of message */
if (0xFFFFFFFF == off)
return RC_RTN_FREE_Q_EMPTY;
pMsg = (PU32) (pPab->pPci45LinBaseAddr + off);
/* setup private message */
pMsg[0] = SIX_WORD_MSG_SIZE | SGL_OFFSET_0;
pMsg[1] = I2O_PRIVATE << 24 | I2O_HOST_TID << 12 | RC_LAN_TARGET_ID;
pMsg[2] = 0; /* initiator context */
pMsg[3] = 0x219; /* transaction context */
pMsg[4] =
RC_PCI45_VENDOR_ID << 16 | RC_PRIVATE_REPORT_DRIVER_CAPABILITY;
pMsg[5] = capability;
pPab->p_atu->InQueue = off; /* send it to the I2O device */
return RC_RTN_NO_ERROR;
}
/*
** =========================================================================
** RCGetFirmwareVer()
**
** Return firmware version in the form "SoftwareVersion : Bt BootVersion"
**
** =========================================================================
*/
RC_RETURN
RCGetFirmwareVer (struct net_device * dev, PU8 pFirmString,
PFNWAITCALLBACK WaitCallback)
{
U32 msgOffset, i;
PU32 pMsg;
volatile PU32 p32;
PPAB pPab = ((PDPA) dev->priv)->pPab;
msgOffset = pPab->p_atu->InQueue;
if (msgOffset == 0xFFFFFFFF) {
dprintk ("RCGetFirmwareVer(): Inbound Free Q empty!\n");
return RC_RTN_FREE_Q_EMPTY;
}
/* calc virtual address of msg - virtual already mapped to physical */
pMsg = (PU32) (pPab->pPci45LinBaseAddr + msgOffset);
/* virtual pointer to return buffer - clear first two dwords */
p32 = (volatile PU32) pPab->pLinOutMsgBlock;
p32[0] = 0xff;
/* setup private message */
pMsg[0] = SIX_WORD_MSG_SIZE | SGL_OFFSET_0;
pMsg[1] = I2O_PRIVATE << 24 | I2O_HOST_TID << 12 | RC_LAN_TARGET_ID;
pMsg[2] = 0; /* initiator context */
pMsg[3] = 0x219; /* transaction context */
pMsg[4] = RC_PCI45_VENDOR_ID << 16 | RC_PRIVATE_GET_FIRMWARE_REV;
/* phys address to return status - area right after PAB */
pMsg[5] = pPab->outMsgBlockPhyAddr;
/* post to Inbound Post Q */
pPab->p_atu->InQueue = msgOffset;
/* wait for response */
i = 0;
while (p32[0] == 0xff) {
if (i++ > 0xff) {
dprintk ("Timeout waiting for link speed\n");
return RC_RTN_NO_FIRM_VER;
}
udelay(50);
}
strcpy (pFirmString, (PU8) p32);
return RC_RTN_NO_ERROR;
}
/*
** =========================================================================
** RCResetLANCard()
**
** ResourceFlags indicates whether to return buffer resource explicitly
** to host or keep and reuse.
** CallbackFunction (if not NULL) is the function to be called when
** reset is complete.
** If CallbackFunction is NULL, ReturnAddr will have a 1 placed in it when
** reset is done (if not NULL).
**
** =========================================================================
*/
RC_RETURN
RCResetLANCard (struct net_device * dev, U16 ResourceFlags, PU32 ReturnAddr,
PFNCALLBACK CallbackFunction)
{
unsigned long off;
PU32 pMsg;
PPAB pPab = ((PDPA) dev->priv)->pPab;
long timeout = 0;
if (pPab == NULL)
return RC_RTN_ADPTR_NOT_REGISTERED;
off = pPab->p_atu->InQueue; /* get addresss of message */
if (0xFFFFFFFF == off)
return RC_RTN_FREE_Q_EMPTY;
pPab->pCallbackFunc = CallbackFunction;
pMsg = (PU32) (pPab->pPci45LinBaseAddr + off);
/* setup message */
pMsg[0] = FOUR_WORD_MSG_SIZE | SGL_OFFSET_0;
pMsg[1] = I2O_LAN_RESET << 24 | I2O_HOST_TID << 12 | RC_LAN_TARGET_ID;
pMsg[2] = DEFAULT_RECV_INIT_CONTEXT;
pMsg[3] = ResourceFlags << 16; /* resource flags */
pPab->p_atu->InQueue = off; /* send it to the I2O device */
if (CallbackFunction == (PFNCALLBACK) NULL) {
/* call RCProcI2OMsgQ() until something in pPab->pCallbackFunc
or until timer goes off */
while (pPab->pCallbackFunc == (PFNCALLBACK) NULL) {
RCProcI2OMsgQ (dev);
mdelay (1);
timeout++;
if (timeout > 200) {
break;
}
}
if (ReturnAddr != (PU32) NULL)
*ReturnAddr = (U32) pPab->pCallbackFunc;
}
return RC_RTN_NO_ERROR;
}
/*
** =========================================================================
** RCResetIOP()
**
** Send StatusGet Msg, wait for results return directly to buffer.
**
** =========================================================================
*/
RC_RETURN
RCResetIOP (struct net_device * dev)
{
U32 msgOffset, i;
PU32 pMsg;
PPAB pPab = ((PDPA) dev->priv)->pPab;
volatile PU32 p32;
msgOffset = pPab->p_atu->InQueue;
if (msgOffset == 0xFFFFFFFF) {
return RC_RTN_FREE_Q_EMPTY;
}
/* calc virtual address of msg - virtual already mapped to physical */
pMsg = (PU32) (pPab->pPci45LinBaseAddr + msgOffset);
pMsg[0] = NINE_WORD_MSG_SIZE | SGL_OFFSET_0;
pMsg[1] = I2O_EXEC_IOP_RESET << 24 | I2O_HOST_TID << 12 | I2O_IOP_TID;
pMsg[2] = 0; /* universal context */
pMsg[3] = 0; /* universal context */
pMsg[4] = 0; /* universal context */
pMsg[5] = 0; /* universal context */
/* phys address to return status - area right after PAB */
pMsg[6] = pPab->outMsgBlockPhyAddr;
pMsg[7] = 0;
pMsg[8] = 1; /* return 1 byte */
/* virtual pointer to return buffer - clear first two dwords */
p32 = (volatile PU32) pPab->pLinOutMsgBlock;
p32[0] = 0;
p32[1] = 0;
/* post to Inbound Post Q */
pPab->p_atu->InQueue = msgOffset;
/* wait for response */
i = 0;
while (!p32[0] && !p32[1]) {
if (i++ > 0xff) {
dprintk ("RCResetIOP timeout\n");
return RC_RTN_MSG_REPLY_TIMEOUT;
}
udelay(100);
}
return RC_RTN_NO_ERROR;
}
/*
** =========================================================================
** RCShutdownLANCard()
**
** ResourceFlags indicates whether to return buffer resource explicitly
** to host or keep and reuse.
** CallbackFunction (if not NULL) is the function to be called when
** shutdown is complete.
** If CallbackFunction is NULL, ReturnAddr will have a 1 placed in it when
** shutdown is done (if not NULL).
**
** =========================================================================
*/
RC_RETURN
RCShutdownLANCard (struct net_device * dev, U16 ResourceFlags,
PU32 ReturnAddr, PFNCALLBACK CallbackFunction)
{
volatile PU32 pMsg;
U32 off;
PPAB pPab = ((PDPA) dev->priv)->pPab;
long timeout = 0;
if (pPab == NULL)
return RC_RTN_ADPTR_NOT_REGISTERED;
off = pPab->p_atu->InQueue; /* get addresss of message */
if (0xFFFFFFFF == off)
return RC_RTN_FREE_Q_EMPTY;
pPab->pCallbackFunc = CallbackFunction;
pMsg = (PU32) (pPab->pPci45LinBaseAddr + off);
/* setup message */
pMsg[0] = FOUR_WORD_MSG_SIZE | SGL_OFFSET_0;
pMsg[1] =
I2O_LAN_SHUTDOWN << 24 | I2O_HOST_TID << 12 | RC_LAN_TARGET_ID;
pMsg[2] = DEFAULT_RECV_INIT_CONTEXT;
pMsg[3] = ResourceFlags << 16; /* resource flags */
pPab->p_atu->InQueue = off; /* send it to the I2O device */
if (CallbackFunction == (PFNCALLBACK) NULL) {
/* call RCProcI2OMsgQ() until something in pPab->pCallbackFunc
or until timer goes off */
while (pPab->pCallbackFunc == (PFNCALLBACK) NULL) {
RCProcI2OMsgQ (dev);
mdelay (1);
timeout++;
if (timeout > 200) {
dprintk (KERN_WARNING
"RCShutdownLANCard(): timeout\n");
break;
}
}
if (ReturnAddr != (PU32) NULL)
*ReturnAddr = (U32) pPab->pCallbackFunc;
}
return RC_RTN_NO_ERROR;
}
/*
** =========================================================================
** 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 (struct net_device * dev, U32 ipAddr, U32 netMask)
{
volatile PU32 pMsg;
U32 off;
PPAB pPab = ((PDPA) dev->priv)->pPab;
if (pPab == NULL)
return RC_RTN_ADPTR_NOT_REGISTERED;
off = pPab->p_atu->InQueue; /* get addresss of message */
if (0xFFFFFFFF == off)
return RC_RTN_FREE_Q_EMPTY;
pMsg = (PU32) (pPab->pPci45LinBaseAddr + off);
/* setup private message */
pMsg[0] = SEVEN_WORD_MSG_SIZE | SGL_OFFSET_0;
pMsg[1] = I2O_PRIVATE << 24 | I2O_HOST_TID << 12 | RC_LAN_TARGET_ID;
pMsg[2] = 0; /* initiator context */
pMsg[3] = 0x219; /* transaction context */
pMsg[4] = RC_PCI45_VENDOR_ID << 16 | RC_PRIVATE_SET_IP_AND_MASK;
pMsg[5] = ipAddr;
pMsg[6] = netMask;
pPab->p_atu->InQueue = off; /* send it to the I2O device */
return RC_RTN_NO_ERROR;
}
/*
** =========================================================================
** RCGetRavlinIPandMask()
**
** get the IP address and MASK from the card
**
** =========================================================================
*/
RC_RETURN
RCGetRavlinIPandMask (struct net_device * dev, PU32 pIpAddr, PU32 pNetMask,
PFNWAITCALLBACK WaitCallback)
{
U32 off, i;
PU32 pMsg, p32;
PPAB pPab = ((PDPA) dev->priv)->pPab;
PATU p_atu;
dprintk
("RCGetRavlinIPandMask: pIpAddr is 0x%x, *IpAddr is 0x%x\n",
(u32) pIpAddr, *pIpAddr);
if (pPab == NULL)
return RC_RTN_ADPTR_NOT_REGISTERED;
p_atu = pPab->p_atu;
off = p_atu->InQueue; /* get addresss of message */
if (0xFFFFFFFF == off)
return RC_RTN_FREE_Q_EMPTY;
p32 = (volatile PU32) pPab->pLinOutMsgBlock;
*p32 = 0xFFFFFFFF;
pMsg = (PU32) (pPab->pPci45LinBaseAddr + off);
dprintk
("RCGetRavlinIPandMask: p_atu 0x%x, off 0x%x, p32 0x%x\n",
(u32) p_atu, off, (u32) p32);
/* setup private message */
pMsg[0] = FIVE_WORD_MSG_SIZE | SGL_OFFSET_0;
pMsg[1] = I2O_PRIVATE << 24 | I2O_HOST_TID << 12 | RC_LAN_TARGET_ID;
pMsg[2] = 0; /* initiator context */
pMsg[3] = 0x218; /* transaction context */
pMsg[4] = RC_PCI45_VENDOR_ID << 16 | RC_PRIVATE_GET_IP_AND_MASK;
pMsg[5] = pPab->outMsgBlockPhyAddr;
p_atu->InQueue = off; /* send it to the I2O device */
dprintk
("RCGetRavlinIPandMask: p_atu 0x%x, off 0x%x, p32 0x%x\n",
(u32) p_atu, off, (u32) p32);
/* wait for the rcpci45 board to update the info */
i = 0;
while (0xffffffff == *p32) {
if (i++ > 0xff) {
dprintk ("RCGetRavlinIPandMask: Timeout\n");
return RC_RTN_MSG_REPLY_TIMEOUT;
}
udelay(50);
}
dprintk
("RCGetRavlinIPandMask: after time out\np32[0] (IpAddr) 0x%x, p32[1] (IPmask) 0x%x\n",
p32[0], p32[1]);
/* send IP and mask to user's space */
*pIpAddr = p32[0];
*pNetMask = p32[1];
dprintk
("RCGetRavlinIPandMask: pIpAddr is 0x%x, *IpAddr is 0x%x\n",
(u32) pIpAddr, *pIpAddr);
return RC_RTN_NO_ERROR;
}
/*
** /////////////////////////////////////////////////////////////////////////
** /////////////////////////////////////////////////////////////////////////
**
** local functions
**
** /////////////////////////////////////////////////////////////////////////
** /////////////////////////////////////////////////////////////////////////
*/
/*
** =========================================================================
** SendI2OOutboundQInitMsg()
**
** =========================================================================
*/
static int
SendI2OOutboundQInitMsg (PPAB pPab)
{
U32 msgOffset, phyOutQFrames, i;
volatile PU32 pMsg;
volatile PU32 p32;
msgOffset = pPab->p_atu->InQueue;
if (msgOffset == 0xFFFFFFFF) {
dprintk ("SendI2OOutboundQInitMsg(): Inbound Free Q empty!\n");
return RC_RTN_FREE_Q_EMPTY;
}
/* calc virtual address of msg - virtual already mapped to physical */
pMsg = (PU32) (pPab->pPci45LinBaseAddr + msgOffset);
dprintk
("SendI2OOutboundQInitMsg - pMsg = 0x%x, InQ msgOffset = 0x%x\n",
(u32) pMsg, msgOffset);
pMsg[0] = EIGHT_WORD_MSG_SIZE | TRL_OFFSET_6;
pMsg[1] =
I2O_EXEC_OUTBOUND_INIT << 24 | I2O_HOST_TID << 12 | I2O_IOP_TID;
pMsg[2] = DEFAULT_RECV_INIT_CONTEXT;
pMsg[3] = 0x106; /* transaction context */
pMsg[4] = 4096; /* Host page frame size */
pMsg[5] = MSG_FRAME_SIZE << 16 | 0x80; /* outbound msg frame size and Initcode */
pMsg[6] = 0xD0000004; /* simple sgl element LE, EOB */
/* phys address to return status - area right after PAB */
pMsg[7] = pPab->outMsgBlockPhyAddr;
/* virtual pointer to return buffer - clear first two dwords */
p32 = (PU32) pPab->pLinOutMsgBlock;
p32[0] = 0;
/* post to Inbound Post Q */
pPab->p_atu->InQueue = msgOffset;
/* wait for response */
i = 0;
while (!p32[0]) {
if (i++ > 0xff) {
printk("rc: InitOutQ timeout\n");
return RC_RTN_NO_I2O_STATUS;
}
udelay(50);
}
if (p32[0] != I2O_EXEC_OUTBOUND_INIT_COMPLETE) {
printk("rc: exec outbound init failed (%x)\n",
p32[0]);
return RC_RTN_NO_I2O_STATUS;
}
/* load PCI outbound free Q with MF physical addresses */
phyOutQFrames = pPab->outMsgBlockPhyAddr;
for (i = 0; i < NMBR_MSG_FRAMES; i++) {
pPab->p_atu->OutQueue = phyOutQFrames;
phyOutQFrames += MSG_FRAME_SIZE;
}
return RC_RTN_NO_ERROR;
}
/*
** =========================================================================
** GetI2OStatus()
**
** Send StatusGet Msg, wait for results return directly to buffer.
**
** =========================================================================
*/
static int
GetI2OStatus (PPAB pPab)
{
U32 msgOffset, i;
PU32 pMsg;
volatile PU32 p32;
msgOffset = pPab->p_atu->InQueue;
dprintk ("GetI2OStatus: msg offset = 0x%x\n", msgOffset);
if (msgOffset == 0xFFFFFFFF) {
dprintk ("GetI2OStatus(): Inbound Free Q empty!\n");
return RC_RTN_FREE_Q_EMPTY;
}
/* calc virtual address of msg - virtual already mapped to physical */
pMsg = (PU32) (pPab->pPci45LinBaseAddr + msgOffset);
pMsg[0] = NINE_WORD_MSG_SIZE | SGL_OFFSET_0;
pMsg[1] = I2O_EXEC_STATUS_GET << 24 | I2O_HOST_TID << 12 | I2O_IOP_TID;
pMsg[2] = 0; /* universal context */
pMsg[3] = 0; /* universal context */
pMsg[4] = 0; /* universal context */
pMsg[5] = 0; /* universal context */
/* phys address to return status - area right after PAB */
pMsg[6] = pPab->outMsgBlockPhyAddr;
pMsg[7] = 0;
pMsg[8] = 88; /* return 88 bytes */
/* virtual pointer to return buffer - clear first two dwords */
p32 = (volatile PU32) pPab->pLinOutMsgBlock;
p32[0] = 0;
p32[1] = 0;
dprintk
("GetI2OStatus - pMsg:0x%x, msgOffset:0x%x, [1]:0x%x, [6]:0x%x\n",
(u32) pMsg, msgOffset, pMsg[1], pMsg[6]);
/* post to Inbound Post Q */
pPab->p_atu->InQueue = msgOffset;
dprintk ("Return status to p32 = 0x%x\n", (u32) p32);
/* wait for response */
i = 0;
while (!p32[0] || !p32[1]) {
if (i++ > 0xff) {
dprintk ("Timeout waiting for status from IOP\n");
return RC_RTN_NO_I2O_STATUS;
}
udelay(50);
}
dprintk ("0x%x:0x%x:0x%x:0x%x\n", p32[0], p32[1],
p32[2], p32[3]);
dprintk ("0x%x:0x%x:0x%x:0x%x\n", p32[4], p32[5],
p32[6], p32[7]);
dprintk ("0x%x:0x%x:0x%x:0x%x\n", p32[8], p32[9],
p32[10], p32[11]);
/* get IOP state */
pPab->IOPState = ((volatile PU8) p32)[10];
pPab->InboundMFrameSize = ((volatile PU16) p32)[6];
dprintk ("IOP state 0x%x InFrameSize = 0x%x\n",
pPab->IOPState, pPab->InboundMFrameSize);
return RC_RTN_NO_ERROR;
}
/*
** =========================================================================
** SendEnableSysMsg()
**
**
** =========================================================================
*/
static int
SendEnableSysMsg (PPAB pPab)
{
U32 msgOffset;
volatile PU32 pMsg;
msgOffset = pPab->p_atu->InQueue;
if (msgOffset == 0xFFFFFFFF) {
dprintk ("SendEnableSysMsg(): Inbound Free Q empty!\n");
return RC_RTN_FREE_Q_EMPTY;
}
/* calc virtual address of msg - virtual already mapped to physical */
pMsg = (PU32) (pPab->pPci45LinBaseAddr + msgOffset);
dprintk
("SendEnableSysMsg - pMsg = 0x%x, InQ msgOffset = 0x%x\n",
(u32) pMsg, msgOffset);
pMsg[0] = FOUR_WORD_MSG_SIZE | SGL_OFFSET_0;
pMsg[1] = I2O_EXEC_SYS_ENABLE << 24 | I2O_HOST_TID << 12 | I2O_IOP_TID;
pMsg[2] = DEFAULT_RECV_INIT_CONTEXT;
pMsg[3] = 0x110; /* transaction context */
pMsg[4] = 0x50657465; /* RedCreek Private */
/* post to Inbound Post Q */
pPab->p_atu->InQueue = msgOffset;
return RC_RTN_NO_ERROR;
}
/*
** =========================================================================
** FillI2OMsgFromTCB()
**
** inputs pMsgU32 - virtual pointer (mapped to physical) of message frame
** pXmitCntrlBlock - pointer to caller buffer control block.
**
** fills in LAN SGL after Transaction Control Word or Bucket Count.
** =========================================================================
*/
static int
FillI2OMsgSGLFromTCB (PU32 pMsgFrame, PRCTCB pTransCtrlBlock)
{
unsigned int nmbrBuffers, nmbrSeg, nmbrDwords, context, flags;
PU32 pTCB, pMsg;
/* SGL element flags */
#define EOB 0x40000000
#define LE 0x80000000
#define SIMPLE_SGL 0x10000000
#define BC_PRESENT 0x01000000
pTCB = (PU32) pTransCtrlBlock;
pMsg = pMsgFrame;
nmbrDwords = 0;
dprintk ("FillI2OMsgSGLFromTCBX\n");
dprintk ("TCB 0x%x:0x%x:0x%x:0x%x:0x%x\n",
pTCB[0], pTCB[1], pTCB[2], pTCB[3], pTCB[4]);
dprintk ("pTCB 0x%x, pMsg 0x%x\n", (u32) pTCB, (u32) pMsg);
nmbrBuffers = *pTCB++;
if (!nmbrBuffers) {
return -1;
}
do {
context = *pTCB++; /* buffer tag (context) */
nmbrSeg = *pTCB++; /* number of segments */
if (!nmbrSeg) {
return -1;
}
flags = SIMPLE_SGL | BC_PRESENT;
if (1 == nmbrSeg) {
flags |= EOB;
if (1 == nmbrBuffers)
flags |= LE;
}
/* 1st SGL buffer element has context */
pMsg[0] = pTCB[0] | flags; /* send over count (segment size) */
pMsg[1] = context;
pMsg[2] = pTCB[1]; /* send buffer segment physical address */
nmbrDwords += 3;
pMsg += 3;
pTCB += 2;
if (--nmbrSeg) {
do {
flags = SIMPLE_SGL;
if (1 == nmbrSeg) {
flags |= EOB;
if (1 == nmbrBuffers)
flags |= LE;
}
pMsg[0] = pTCB[0] | flags; /* send over count */
pMsg[1] = pTCB[1]; /* send buffer segment physical address */
nmbrDwords += 2;
pTCB += 2;
pMsg += 2;
} while (--nmbrSeg);
}
} while (--nmbrBuffers);
return nmbrDwords;
}
/*
** =========================================================================
** ProcessOutboundI2OMsg()
**
** process I2O reply message
** * change to msg structure *
** =========================================================================
*/
static void
ProcessOutboundI2OMsg (PPAB pPab, U32 phyAddrMsg)
{
PU8 p8Msg;
PU32 p32;
/* U16 count; */
p8Msg = pPab->pLinOutMsgBlock + (phyAddrMsg - pPab->outMsgBlockPhyAddr);
p32 = (PU32) p8Msg;
dprintk
("VXD: ProcessOutboundI2OMsg - pPab 0x%x, phyAdr 0x%x, linAdr 0x%x\n",
(u32) pPab, phyAddrMsg, (u32) p8Msg);
dprintk ("msg :0x%x:0x%x:0x%x:0x%x\n", p32[0], p32[1],
p32[2], p32[3]);
dprintk ("msg :0x%x:0x%x:0x%x:0x%x\n", p32[4], p32[5],
p32[6], p32[7]);
if (p32[4] >> 24 != I2O_REPLY_STATUS_SUCCESS) {
dprintk ("Message reply status not success\n");
return;
}
switch (p8Msg[7]) { /* function code byte */
case I2O_EXEC_SYS_TAB_SET:
msgFlag = 1;
dprintk ("Received I2O_EXEC_SYS_TAB_SET reply\n");
break;
case I2O_EXEC_HRT_GET:
msgFlag = 1;
dprintk ("Received I2O_EXEC_HRT_GET reply\n");
break;
case I2O_EXEC_LCT_NOTIFY:
msgFlag = 1;
dprintk ("Received I2O_EXEC_LCT_NOTIFY reply\n");
break;
case I2O_EXEC_SYS_ENABLE:
msgFlag = 1;
dprintk ("Received I2O_EXEC_SYS_ENABLE reply\n");
break;
default:
dprintk ("Received UNKNOWN reply\n");
break;
}
}
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