1 /******************************************************************************
4 * Project: Gigabit Ethernet Adapters, Schedule-Modul
5 * Version: $Revision: 1.19 $
6 * Date: $Date: 2003/05/13 18:00:07 $
7 * Purpose: Management of an event queue.
9 ******************************************************************************/
11 /******************************************************************************
13 * (C)Copyright 1998-2002 SysKonnect GmbH.
14 * (C)Copyright 2002-2003 Marvell.
16 * This program is free software; you can redistribute it and/or modify
17 * it under the terms of the GNU General Public License as published by
18 * the Free Software Foundation; either version 2 of the License, or
19 * (at your option) any later version.
21 * The information in this file is provided "AS IS" without warranty.
23 ******************************************************************************/
25 /******************************************************************************
30 * Revision 1.19 2003/05/13 18:00:07 mkarl
31 * Removed calls to RLMT, TWSI, and PNMI for SLIM driver (SK_SLIM).
34 * Revision 1.18 2002/05/07 14:11:11 rwahl
35 * Fixed Watcom Precompiler error.
37 * Revision 1.17 2002/03/25 10:06:41 mkunz
38 * SkIgnoreEvent deleted
40 * Revision 1.16 2002/03/15 10:51:59 mkunz
41 * Added event classes for link aggregation
43 * Revision 1.15 1999/11/22 13:36:29 cgoos
44 * Changed license header to GPL.
46 * Revision 1.14 1998/10/15 15:11:35 gklug
47 * fix: ID_sccs to SysKonnectFileId
49 * Revision 1.13 1998/09/08 08:47:52 gklug
50 * add: init level handling
52 * Revision 1.12 1998/09/08 07:43:20 gklug
53 * fix: Sirq Event function name
55 * Revision 1.11 1998/09/08 05:54:34 gklug
56 * chg: define SK_CSUM is replaced by SK_USE_CSUM
58 * Revision 1.10 1998/09/03 14:14:49 gklug
59 * add: CSUM and HWAC Eventclass and function.
61 * Revision 1.9 1998/08/19 09:50:50 gklug
62 * fix: remove struct keyword from c-code (see CCC) add typedefs
64 * Revision 1.8 1998/08/17 13:43:11 gklug
65 * chg: Parameter will be union of 64bit para, 2 times SK_U32 or SK_PTR
67 * Revision 1.7 1998/08/14 07:09:11 gklug
70 * Revision 1.6 1998/08/11 12:13:14 gklug
71 * add: return code feature of Event service routines
72 * add: correct Error log calls
74 * Revision 1.5 1998/08/07 12:53:45 gklug
75 * fix: first compiled version
77 * Revision 1.4 1998/08/07 09:20:48 gklug
78 * adapt functions to C coding conventions.
80 * Revision 1.3 1998/08/05 11:29:32 gklug
81 * rmv: Timer event entry. Timer will queue event directly
83 * Revision 1.2 1998/07/31 11:22:40 gklug
86 * Revision 1.1 1998/07/30 15:14:01 gklug
87 * Initial version. Adapted from SMT
91 ******************************************************************************/
95 Event queue and dispatcher
97 #if (defined(DEBUG) || ((!defined(LINT)) && (!defined(SK_SLIM))))
98 static const char SysKonnectFileId[] =
99 "$Header: /usr56/projects/ge/schedule/skqueue.c,v 1.19 2003/05/13 18:00:07 mkarl Exp $" ;
102 #include "h/skdrv1st.h" /* Driver Specific Definitions */
103 #include "h/skqueue.h" /* Queue Definitions */
104 #include "h/skdrv2nd.h" /* Adapter Control- and Driver specific Def. */
108 Event queue management.
117 #define PRINTF(a,b,c)
120 * init event queue management
122 * Must be called during init level 0.
125 SK_AC *pAC, /* Adapter context */
126 SK_IOC Ioc, /* IO context */
127 int Level) /* Init level */
131 pAC->Event.EvPut = pAC->Event.EvGet = pAC->Event.EvQueue ;
142 SK_AC *pAC, /* Adapters context */
143 SK_U32 Class, /* Event Class */
144 SK_U32 Event, /* Event to be queued */
145 SK_EVPARA Para) /* Event parameter */
147 pAC->Event.EvPut->Class = Class ;
148 pAC->Event.EvPut->Event = Event ;
149 pAC->Event.EvPut->Para = Para ;
150 if (++pAC->Event.EvPut == &pAC->Event.EvQueue[SK_MAX_EVENT])
151 pAC->Event.EvPut = pAC->Event.EvQueue ;
153 if (pAC->Event.EvPut == pAC->Event.EvGet) {
154 SK_ERR_LOG(pAC, SK_ERRCL_NORES, SKERR_Q_E001, SKERR_Q_E001MSG) ;
160 * while event queue is not empty
161 * get event from queue
162 * send command to state machine
164 * return error reported by individual Event function
165 * 0 if no error occured.
167 int SkEventDispatcher(
168 SK_AC *pAC, /* Adapters Context */
169 SK_IOC Ioc) /* Io context */
171 SK_EVENTELEM *pEv ; /* pointer into queue */
175 pEv = pAC->Event.EvGet ;
176 PRINTF("dispatch get %x put %x\n",pEv,pAC->Event.ev_put) ;
177 while (pEv != pAC->Event.EvPut) {
178 PRINTF("dispatch Class %d Event %d\n",pEv->Class,pEv->Event) ;
179 switch(Class = pEv->Class) {
180 #ifndef SK_USE_LAC_EV
182 case SKGE_RLMT : /* RLMT Event */
183 Rtv = SkRlmtEvent(pAC,Ioc,pEv->Event,pEv->Para);
185 case SKGE_I2C : /* I2C Event */
186 Rtv = SkI2cEvent(pAC,Ioc,pEv->Event,pEv->Para);
189 Rtv = SkPnmiEvent(pAC,Ioc,pEv->Event,pEv->Para);
191 #endif /* not SK_SLIM */
192 #endif /* not SK_USE_LAC_EV */
193 case SKGE_DRV : /* Driver Event */
194 Rtv = SkDrvEvent(pAC,Ioc,pEv->Event,pEv->Para);
196 #ifndef SK_USE_SW_TIMER
198 Rtv = SkGeSirqEvent(pAC,Ioc,pEv->Event,pEv->Para);
200 #else /* !SK_USE_SW_TIMER */
202 Rtv = SkSwtEvent(pAC,Ioc,pEv->Event,pEv->Para);
204 #endif /* !SK_USE_SW_TIMER */
207 Rtv = SkLacpEvent(pAC,Ioc,pEv->Event,pEv->Para);
210 Rtv = SkRsfEvent(pAC,Ioc,pEv->Event,pEv->Para);
213 Rtv = SkMarkerEvent(pAC,Ioc,pEv->Event,pEv->Para);
216 Rtv = SkFdEvent(pAC,Ioc,pEv->Event,pEv->Para);
218 #endif /* SK_USE_LAC_EV */
221 Rtv = SkCsEvent(pAC,Ioc,pEv->Event,pEv->Para);
223 #endif /* SK_USE_CSUM */
225 SK_ERR_LOG(pAC, SK_ERRCL_SW, SKERR_Q_E002,
234 if (++pEv == &pAC->Event.EvQueue[SK_MAX_EVENT])
235 pEv = pAC->Event.EvQueue ;
237 /* Renew get: it is used in queue_events to detect overruns */
238 pAC->Event.EvGet = pEv;