/******************************************************************************
*
* Name: skqueue.c
* Project: Gigabit Ethernet Adapters, Event Scheduler Module
* Version: $Revision: 1.20 $
* Date: $Date: 2003/09/16 13:44:00 $
* Purpose: Management of an event queue.
*
******************************************************************************/
/******************************************************************************
*
* (C)Copyright 1998-2002 SysKonnect GmbH.
* (C)Copyright 2002-2003 Marvell.
*
* 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.
*
* The information in this file is provided "AS IS" without warranty.
*
******************************************************************************/
/*
* Event queue and dispatcher
*/
#if (defined(DEBUG) || ((!defined(LINT)) && (!defined(SK_SLIM))))
static const char SysKonnectFileId[] =
"@(#) $Id: skqueue.c,v 1.20 2003/09/16 13:44:00 rschmidt Exp $ (C) Marvell.";
#endif
#include "h/skdrv1st.h" /* Driver Specific Definitions */
#include "h/skqueue.h" /* Queue Definitions */
#include "h/skdrv2nd.h" /* Adapter Control- and Driver specific Def. */
#ifdef __C2MAN__
/*
Event queue management.
General Description:
*/
intro()
{}
#endif
#define PRINTF(a,b,c)
/*
* init event queue management
*
* Must be called during init level 0.
*/
void SkEventInit(
SK_AC *pAC, /* Adapter context */
SK_IOC Ioc, /* IO context */
int Level) /* Init level */
{
switch (Level) {
case SK_INIT_DATA:
pAC->Event.EvPut = pAC->Event.EvGet = pAC->Event.EvQueue;
break;
default:
break;
}
}
/*
* add event to queue
*/
void SkEventQueue(
SK_AC *pAC, /* Adapters context */
SK_U32 Class, /* Event Class */
SK_U32 Event, /* Event to be queued */
SK_EVPARA Para) /* Event parameter */
{
pAC->Event.EvPut->Class = Class;
pAC->Event.EvPut->Event = Event;
pAC->Event.EvPut->Para = Para;
if (++pAC->Event.EvPut == &pAC->Event.EvQueue[SK_MAX_EVENT])
pAC->Event.EvPut = pAC->Event.EvQueue;
if (pAC->Event.EvPut == pAC->Event.EvGet) {
SK_ERR_LOG(pAC, SK_ERRCL_NORES, SKERR_Q_E001, SKERR_Q_E001MSG);
}
}
/*
* event dispatcher
* while event queue is not empty
* get event from queue
* send command to state machine
* end
* return error reported by individual Event function
* 0 if no error occured.
*/
int SkEventDispatcher(
SK_AC *pAC, /* Adapters Context */
SK_IOC Ioc) /* Io context */
{
SK_EVENTELEM *pEv; /* pointer into queue */
SK_U32 Class;
int Rtv;
pEv = pAC->Event.EvGet;
PRINTF("dispatch get %x put %x\n", pEv, pAC->Event.ev_put);
while (pEv != pAC->Event.EvPut) {
PRINTF("dispatch Class %d Event %d\n", pEv->Class, pEv->Event);
switch (Class = pEv->Class) {
#ifndef SK_USE_LAC_EV
#ifndef SK_SLIM
case SKGE_RLMT: /* RLMT Event */
Rtv = SkRlmtEvent(pAC, Ioc, pEv->Event, pEv->Para);
break;
case SKGE_I2C: /* I2C Event */
Rtv = SkI2cEvent(pAC, Ioc, pEv->Event, pEv->Para);
break;
case SKGE_PNMI: /* PNMI Event */
Rtv = SkPnmiEvent(pAC, Ioc, pEv->Event, pEv->Para);
break;
#endif /* not SK_SLIM */
#endif /* not SK_USE_LAC_EV */
case SKGE_DRV: /* Driver Event */
Rtv = SkDrvEvent(pAC, Ioc, pEv->Event, pEv->Para);
break;
#ifndef SK_USE_SW_TIMER
case SKGE_HWAC:
Rtv = SkGeSirqEvent(pAC, Ioc, pEv->Event, pEv->Para);
break;
#else /* !SK_USE_SW_TIMER */
case SKGE_SWT :
Rtv = SkSwtEvent(pAC, Ioc, pEv->Event, pEv->Para);
break;
#endif /* !SK_USE_SW_TIMER */
#ifdef SK_USE_LAC_EV
case SKGE_LACP :
Rtv = SkLacpEvent(pAC, Ioc, pEv->Event, pEv->Para);
break;
case SKGE_RSF :
Rtv = SkRsfEvent(pAC, Ioc, pEv->Event, pEv->Para);
break;
case SKGE_MARKER :
Rtv = SkMarkerEvent(pAC, Ioc, pEv->Event, pEv->Para);
break;
case SKGE_FD :
Rtv = SkFdEvent(pAC, Ioc, pEv->Event, pEv->Para);
break;
#endif /* SK_USE_LAC_EV */
#ifdef SK_USE_CSUM
case SKGE_CSUM :
Rtv = SkCsEvent(pAC, Ioc, pEv->Event, pEv->Para);
break;
#endif /* SK_USE_CSUM */
default :
SK_ERR_LOG(pAC, SK_ERRCL_SW, SKERR_Q_E002, SKERR_Q_E002MSG);
Rtv = 0;
}
if (Rtv != 0) {
return(Rtv);
}
if (++pEv == &pAC->Event.EvQueue[SK_MAX_EVENT])
pEv = pAC->Event.EvQueue;
/* Renew get: it is used in queue_events to detect overruns */
pAC->Event.EvGet = pEv;
}
return(0);
}
/* End of file */
