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85xx: Drop FIT support to allow u-boot image to fit in 512k
[people/ms/u-boot.git] / drivers / net / sk98lin / skqueue.c
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7152b1d0
WD		 1/******************************************************************************
2 *
3 * Name: skqueue.c
4 * Project: GEnesis, PCI Gigabit Ethernet Adapter
5 * Version: $Revision: 1.18 $
6 * Date: $Date: 2002/05/07 14:11:11 $
7 * Purpose: Management of an event queue.
8 *
9 ******************************************************************************/
10
11/******************************************************************************
12 *
13 * (C)Copyright 1998,1999 SysKonnect,
14 * a business unit of Schneider & Koch & Co. Datensysteme GmbH.
15 *
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.
20 *
21 * The information in this file is provided "AS IS" without warranty.
22 *
23 ******************************************************************************/
24
25/******************************************************************************
26 *
27 * History:
28 *
29 * $Log: skqueue.c,v $
30 * Revision 1.18 2002/05/07 14:11:11 rwahl
31 * Fixed Watcom Precompiler error.
42d1f039 32 *
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WD		 33 * Revision 1.17 2002/03/25 10:06:41 mkunz
34 * SkIgnoreEvent deleted
42d1f039 35 *
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WD		 36 * Revision 1.16 2002/03/15 10:51:59 mkunz
37 * Added event classes for link aggregation
42d1f039 38 *
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WD		 39 * Revision 1.15 1999/11/22 13:36:29 cgoos
40 * Changed license header to GPL.
42d1f039 41 *
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WD		 42 * Revision 1.14 1998/10/15 15:11:35 gklug
43 * fix: ID_sccs to SysKonnectFileId
42d1f039 44 *
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WD		 45 * Revision 1.13 1998/09/08 08:47:52 gklug
46 * add: init level handling
42d1f039 47 *
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WD		 48 * Revision 1.12 1998/09/08 07:43:20 gklug
49 * fix: Sirq Event function name
42d1f039 50 *
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WD		 51 * Revision 1.11 1998/09/08 05:54:34 gklug
52 * chg: define SK_CSUM is replaced by SK_USE_CSUM
42d1f039 53 *
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WD		 54 * Revision 1.10 1998/09/03 14:14:49 gklug
55 * add: CSUM and HWAC Eventclass and function.
42d1f039 56 *
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WD		 57 * Revision 1.9 1998/08/19 09:50:50 gklug
58 * fix: remove struct keyword from c-code (see CCC) add typedefs
42d1f039 59 *
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WD		 60 * Revision 1.8 1998/08/17 13:43:11 gklug
61 * chg: Parameter will be union of 64bit para, 2 times SK_U32 or SK_PTR
42d1f039 62 *
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WD		 63 * Revision 1.7 1998/08/14 07:09:11 gklug
64 * fix: chg pAc -> pAC
42d1f039 65 *
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WD		 66 * Revision 1.6 1998/08/11 12:13:14 gklug
67 * add: return code feature of Event service routines
68 * add: correct Error log calls
42d1f039 69 *
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WD		 70 * Revision 1.5 1998/08/07 12:53:45 gklug
71 * fix: first compiled version
42d1f039 72 *
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WD		 73 * Revision 1.4 1998/08/07 09:20:48 gklug
74 * adapt functions to C coding conventions.
42d1f039 75 *
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WD		 76 * Revision 1.3 1998/08/05 11:29:32 gklug
77 * rmv: Timer event entry. Timer will queue event directly
42d1f039 78 *
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WD		 79 * Revision 1.2 1998/07/31 11:22:40 gklug
80 * Initial version
42d1f039 81 *
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WD		 82 * Revision 1.1 1998/07/30 15:14:01 gklug
83 * Initial version. Adapted from SMT
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WD		 84 *
85 *
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WD		 86 *
87 ******************************************************************************/
88
89
149dded2
WD		 90#include <config.h>
91
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WD		 92/*
93 Event queue and dispatcher
94*/
95static const char SysKonnectFileId[] =
96 "$Header: /usr56/projects/ge/schedule/skqueue.c,v 1.18 2002/05/07 14:11:11 rwahl Exp $" ;
97
98#include "h/skdrv1st.h" /* Driver Specific Definitions */
99#include "h/skqueue.h" /* Queue Definitions */
100#include "h/skdrv2nd.h" /* Adapter Control- and Driver specific Def. */
101
102#ifdef __C2MAN__
103/*
104 Event queue management.
105
106 General Description:
107
108 */
109intro()
110{}
111#endif
112
113#define PRINTF(a,b,c)
114
115/*
116 * init event queue management
117 *
118 * Must be called during init level 0.
119 */
120void SkEventInit(
121SK_AC *pAC, /* Adapter context */
122SK_IOC Ioc, /* IO context */
123int Level) /* Init level */
124{
125 switch (Level) {
126 case SK_INIT_DATA:
127 pAC->Event.EvPut = pAC->Event.EvGet = pAC->Event.EvQueue ;
128 break;
129 default:
130 break;
131 }
132}
133
134/*
135 * add event to queue
136 */
137void SkEventQueue(
138SK_AC *pAC, /* Adapters context */
139SK_U32 Class, /* Event Class */
140SK_U32 Event, /* Event to be queued */
141SK_EVPARA Para) /* Event parameter */
142{
143 pAC->Event.EvPut->Class = Class ;
144 pAC->Event.EvPut->Event = Event ;
145 pAC->Event.EvPut->Para = Para ;
146 if (++pAC->Event.EvPut == &pAC->Event.EvQueue[SK_MAX_EVENT])
147 pAC->Event.EvPut = pAC->Event.EvQueue ;
148
149 if (pAC->Event.EvPut == pAC->Event.EvGet) {
150 SK_ERR_LOG(pAC, SK_ERRCL_NORES, SKERR_Q_E001, SKERR_Q_E001MSG) ;
151 }
152}
153
154/*
155 * event dispatcher
156 * while event queue is not empty
157 * get event from queue
158 * send command to state machine
159 * end
160 * return error reported by individual Event function
161 * 0 if no error occured.
162 */
163int SkEventDispatcher(
164SK_AC *pAC, /* Adapters Context */
165SK_IOC Ioc) /* Io context */
166{
167 SK_EVENTELEM *pEv ; /* pointer into queue */
168 SK_U32 Class ;
169 int Rtv ;
170
171 pEv = pAC->Event.EvGet ;
172 PRINTF("dispatch get %x put %x\n",pEv,pAC->Event.ev_put) ;
173 while (pEv != pAC->Event.EvPut) {
174 PRINTF("dispatch Class %d Event %d\n",pEv->Class,pEv->Event) ;
175 switch(Class = pEv->Class) {
42d1f039 176#ifndef SK_USE_LAC_EV
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WD		 177 case SKGE_RLMT : /* RLMT Event */
178 Rtv = SkRlmtEvent(pAC,Ioc,pEv->Event,pEv->Para);
179 break ;
180 case SKGE_I2C : /* I2C Event */
181 Rtv = SkI2cEvent(pAC,Ioc,pEv->Event,pEv->Para);
182 break ;
183 case SKGE_PNMI :
184 Rtv = SkPnmiEvent(pAC,Ioc,pEv->Event,pEv->Para);
185 break ;
186#endif /* SK_USE_LAC_EV */
187 case SKGE_DRV : /* Driver Event */
188 Rtv = SkDrvEvent(pAC,Ioc,pEv->Event,pEv->Para);
189 break ;
42d1f039 190#ifndef SK_USE_SW_TIMER
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WD		 191 case SKGE_HWAC :
192 Rtv = SkGeSirqEvent(pAC,Ioc,pEv->Event,pEv->Para);
193 break ;
194#else /* !SK_USE_SW_TIMER */
42d1f039 195 case SKGE_SWT :
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WD		 196 Rtv = SkSwtEvent(pAC,Ioc,pEv->Event,pEv->Para);
197 break ;
198#endif /* !SK_USE_SW_TIMER */
42d1f039 199#ifdef SK_USE_LAC_EV
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WD		 200 case SKGE_LACP :
201 Rtv = SkLacpEvent(pAC,Ioc,pEv->Event,pEv->Para);
202 break ;
203 case SKGE_RSF :
204 Rtv = SkRsfEvent(pAC,Ioc,pEv->Event,pEv->Para);
205 break ;
206 case SKGE_MARKER :
207 Rtv = SkMarkerEvent(pAC,Ioc,pEv->Event,pEv->Para);
208 break ;
209 case SKGE_FD :
210 Rtv = SkFdEvent(pAC,Ioc,pEv->Event,pEv->Para);
211 break ;
212#endif /* SK_USE_LAC_EV */
213#ifdef SK_USE_CSUM
214 case SKGE_CSUM :
215 Rtv = SkCsEvent(pAC,Ioc,pEv->Event,pEv->Para);
216 break ;
217#endif /* SK_USE_CSUM */
218 default :
219 SK_ERR_LOG(pAC, SK_ERRCL_SW, SKERR_Q_E002,
220 SKERR_Q_E002MSG) ;
221 Rtv = 0;
222 }
223
224 if (Rtv != 0) {
225 return(Rtv) ;
226 }
227
228 if (++pEv == &pAC->Event.EvQueue[SK_MAX_EVENT])
229 pEv = pAC->Event.EvQueue ;
230
231 /* Renew get: it is used in queue_events to detect overruns */
232 pAC->Event.EvGet = pEv;
233 }
234
235 return(0) ;
236}
237
238/* End of file */
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