Device layer rollup commit.
[dragonfly.git] / sys / net / i4b / driver / i4b_ctl.c
CommitLineData
984263bc
MD
1/*
2 * Copyright (c) 1997, 2000 Hellmuth Michaelis. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23 * SUCH DAMAGE.
24 *
25 *---------------------------------------------------------------------------
26 *
27 * i4b_ctl.c - i4b system control port driver
28 * ------------------------------------------
29 *
30 * $Id: i4b_ctl.c,v 1.37 2000/05/31 08:04:43 hm Exp $
31 *
32 * $FreeBSD: src/sys/i4b/driver/i4b_ctl.c,v 1.10.2.3 2001/08/12 16:22:48 hm Exp $
e4c9c0c8 33 * $DragonFly: src/sys/net/i4b/driver/i4b_ctl.c,v 1.9 2004/05/19 22:52:59 dillon Exp $
984263bc
MD
34 *
35 * last edit-date: [Sat Aug 11 18:06:38 2001]
36 *
37 *---------------------------------------------------------------------------*/
38
1f2de5d4 39#include "use_i4bctl.h"
984263bc
MD
40
41#if NI4BCTL > 1
42#error "only 1 (one) i4bctl device allowed!"
43#endif
44
45#if NI4BCTL > 0
46
47#include <sys/param.h>
48
9a7f3897 49#if defined(__DragonFly__) || (defined(__FreeBSD__) && __FreeBSD__ >= 3)
984263bc
MD
50#include <sys/ioccom.h>
51#else
52#include <sys/ioctl.h>
53#endif
54
55#include <sys/kernel.h>
56#include <sys/systm.h>
57#include <sys/conf.h>
58#include <sys/socket.h>
59#include <net/if.h>
60
9a7f3897 61#if defined(__DragonFly__) || defined(__FreeBSD__)
984263bc
MD
62
63#if defined(__FreeBSD__) && __FreeBSD__ == 3
64#include "opt_devfs.h"
65#endif
66
67#ifdef DEVFS
68#include <sys/devfsext.h>
69#endif
70
71#endif /* __FreeBSD__ */
72
9a7f3897 73#if defined(__DragonFly__) || defined(__FreeBSD__)
1f2de5d4
MD
74#include <net/i4b/include/machine/i4b_debug.h>
75#include <net/i4b/include/machine/i4b_ioctl.h>
984263bc
MD
76#elif defined(__bsdi__)
77#include <i4b/i4b_debug.h>
78#include <i4b/i4b_ioctl.h>
79#else
80#include <machine/bus.h>
81#include <sys/device.h>
82#include <i4b/i4b_debug.h>
83#include <i4b/i4b_ioctl.h>
84#endif
85
1f2de5d4
MD
86#include "../include/i4b_global.h"
87#include "../include/i4b_l3l4.h"
88#include "../layer2/i4b_l2.h"
984263bc
MD
89
90static int openflag = 0;
91
9a7f3897 92#if defined(__DragonFly__) || (BSD > 199306 && defined(__FreeBSD__))
984263bc
MD
93static d_open_t i4bctlopen;
94static d_close_t i4bctlclose;
95static d_ioctl_t i4bctlioctl;
96
97#ifdef OS_USES_POLL
98static d_poll_t i4bctlpoll;
99#define POLLFIELD i4bctlpoll
100#else
101#define POLLFIELD noselect
102#endif
103
104#define CDEV_MAJOR 55
105
9a7f3897 106#if defined(__DragonFly__) || (defined(__FreeBSD__) && __FreeBSD__ >= 4)
984263bc 107static struct cdevsw i4bctl_cdevsw = {
fabb8ceb
MD
108 /* name */ "i4bctl",
109 /* maj */ CDEV_MAJOR,
110 /* flags */ 0,
111 /* port */ NULL,
455fcd7e 112 /* clone */ NULL,
fabb8ceb 113
984263bc
MD
114 /* open */ i4bctlopen,
115 /* close */ i4bctlclose,
116 /* read */ noread,
117 /* write */ nowrite,
118 /* ioctl */ i4bctlioctl,
119 /* poll */ POLLFIELD,
120 /* mmap */ nommap,
121 /* strategy */ nostrategy,
984263bc 122 /* dump */ nodump,
fabb8ceb 123 /* psize */ nopsize
984263bc
MD
124};
125#else
126static struct cdevsw i4bctl_cdevsw =
127 { i4bctlopen, i4bctlclose, noread, nowrite,
128 i4bctlioctl, nostop, nullreset, nodevtotty,
129 POLLFIELD, nommap, NULL, "i4bctl", NULL, -1 };
130#endif
131
132static void i4bctlattach(void *);
133PSEUDO_SET(i4bctlattach, i4b_i4bctldrv);
134
135#define PDEVSTATIC static
136#endif /* __FreeBSD__ */
137
138#if defined(__FreeBSD__) && __FreeBSD__ == 3
139#ifdef DEVFS
140static void *devfs_token;
141#endif
142#endif
143
9a7f3897 144#if !defined(__DragonFly__) && !defined(__FreeBSD__)
984263bc 145#define PDEVSTATIC /* */
158abb01
RG
146void i4bctlattach (void);
147int i4bctlopen (dev_t dev, int flag, int fmt, struct proc *p);
148int i4bctlclose (dev_t dev, int flag, int fmt, struct proc *p);
984263bc 149#ifdef __bsdi__
158abb01 150int i4bctlioctl (dev_t dev, u_long cmd, caddr_t data, int flag, struct proc *p);
984263bc 151#else
158abb01 152int i4bctlioctl (dev_t dev, int cmd, caddr_t data, int flag, struct proc *p);
984263bc
MD
153#endif
154#endif /* !FreeBSD */
155
9a7f3897 156#if defined(__DragonFly__) || (BSD > 199306 && defined(__FreeBSD__))
984263bc
MD
157/*---------------------------------------------------------------------------*
158 * initialization at kernel load time
159 *---------------------------------------------------------------------------*/
160static void
161i4bctlinit(void *unused)
162{
9a7f3897 163#if defined(__DragonFly__) || (defined(__FreeBSD__) && __FreeBSD__ >= 4)
e4c9c0c8 164 cdevsw_add(&i4bctl_cdevsw, 0, 0);
984263bc 165#else
e4c9c0c8 166 dev_t dev = make_adhoc_dev(&i4bctl, 0);
984263bc
MD
167 cdevsw_add(&dev, &i4bctl_cdevsw, NULL);
168#endif
169}
170
171SYSINIT(i4bctldev, SI_SUB_DRIVERS,SI_ORDER_MIDDLE+CDEV_MAJOR, &i4bctlinit, NULL);
172
173#endif /* BSD > 199306 && defined(__FreeBSD__) */
174
175#ifdef __bsdi__
176int i4bctlmatch(struct device *parent, struct cfdata *cf, void *aux);
177void dummy_i4bctlattach(struct device*, struct device *, void *);
178
179#define CDEV_MAJOR 64
180
181static struct cfdriver i4bctlcd =
182 { NULL, "i4bctl", i4bctlmatch, dummy_i4bctlattach, DV_DULL,
183 sizeof(struct cfdriver) };
184struct devsw i4bctlsw =
185 { &i4bctlcd,
186 i4bctlopen, i4bctlclose, noread, nowrite,
187 i4bctlioctl, seltrue, nommap, nostrat,
188 nodump, nopsize, 0, nostop
189};
190
191int
192i4bctlmatch(struct device *parent, struct cfdata *cf, void *aux)
193{
194 printf("i4bctlmatch: aux=0x%x\n", aux);
195 return 1;
196}
197void
198dummy_i4bctlattach(struct device *parent, struct device *self, void *aux)
199{
200 printf("dummy_i4bctlattach: aux=0x%x\n", aux);
201}
202#endif /* __bsdi__ */
203/*---------------------------------------------------------------------------*
204 * interface attach routine
205 *---------------------------------------------------------------------------*/
206PDEVSTATIC void
9a7f3897 207#if defined(__DragonFly__) || defined(__FreeBSD__)
984263bc
MD
208i4bctlattach(void *dummy)
209#else
210i4bctlattach()
211#endif
212{
213#ifndef HACK_NO_PSEUDO_ATTACH_MSG
214 printf("i4bctl: ISDN system control port attached\n");
215#endif
216
217#if defined(__FreeBSD__)
218#if __FreeBSD__ == 3
219
220#ifdef DEVFS
221 devfs_token = devfs_add_devswf(&i4bctl_cdevsw, 0, DV_CHR,
222 UID_ROOT, GID_WHEEL, 0600,
223 "i4bctl");
224#endif
225
226#else
227 make_dev(&i4bctl_cdevsw, 0, UID_ROOT, GID_WHEEL, 0600, "i4bctl");
228#endif
229#endif
230}
231
232/*---------------------------------------------------------------------------*
233 * i4bctlopen - device driver open routine
234 *---------------------------------------------------------------------------*/
235PDEVSTATIC int
7b95be2a 236i4bctlopen(dev_t dev, int flag, int fmt, struct thread *td)
984263bc
MD
237{
238 if(minor(dev))
239 return (ENXIO);
240
241 if(openflag)
242 return (EBUSY);
243
244 openflag = 1;
245
246 return (0);
247}
248
249/*---------------------------------------------------------------------------*
250 * i4bctlclose - device driver close routine
251 *---------------------------------------------------------------------------*/
252PDEVSTATIC int
7b95be2a 253i4bctlclose(dev_t dev, int flag, int fmt, struct thread *td)
984263bc
MD
254{
255 openflag = 0;
256 return (0);
257}
258
259/*---------------------------------------------------------------------------*
260 * i4bctlioctl - device driver ioctl routine
261 *---------------------------------------------------------------------------*/
262PDEVSTATIC int
9a7f3897 263#if defined(__DragonFly__) || (defined (__FreeBSD_version) && __FreeBSD_version >= 300003)
7b95be2a 264i4bctlioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct thread *td)
984263bc
MD
265#elif defined(__bsdi__)
266i4bctlioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct proc *p)
267#else
268i4bctlioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p)
269#endif
270{
271#if DO_I4B_DEBUG
272 ctl_debug_t *cdbg;
273 int error = 0;
274#endif
275
276#if !DO_I4B_DEBUG
277 return(ENODEV);
278#else
279 if(minor(dev))
280 return(ENODEV);
281
282 switch(cmd)
283 {
284 case I4B_CTL_GET_DEBUG:
285 cdbg = (ctl_debug_t *)data;
286 cdbg->l1 = i4b_l1_debug;
287 cdbg->l2 = i4b_l2_debug;
288 cdbg->l3 = i4b_l3_debug;
289 cdbg->l4 = i4b_l4_debug;
290 break;
291
292 case I4B_CTL_SET_DEBUG:
293 cdbg = (ctl_debug_t *)data;
294 i4b_l1_debug = cdbg->l1;
295 i4b_l2_debug = cdbg->l2;
296 i4b_l3_debug = cdbg->l3;
297 i4b_l4_debug = cdbg->l4;
298 break;
299
300 case I4B_CTL_GET_CHIPSTAT:
301 {
302 struct chipstat *cst;
303 cst = (struct chipstat *)data;
304 (*ctrl_desc[cst->driver_unit].N_MGMT_COMMAND)(cst->driver_unit, CMR_GCST, cst);
305 break;
306 }
307
308 case I4B_CTL_CLR_CHIPSTAT:
309 {
310 struct chipstat *cst;
311 cst = (struct chipstat *)data;
312 (*ctrl_desc[cst->driver_unit].N_MGMT_COMMAND)(cst->driver_unit, CMR_CCST, cst);
313 break;
314 }
315
316 case I4B_CTL_GET_LAPDSTAT:
317 {
318 l2stat_t *l2s;
319 l2_softc_t *sc;
320 l2s = (l2stat_t *)data;
321
322 if( l2s->unit < 0 || l2s->unit > MAXL1UNITS)
323 {
324 error = EINVAL;
325 break;
326 }
327
328 sc = &l2_softc[l2s->unit];
329
330 bcopy(&sc->stat, &l2s->lapdstat, sizeof(lapdstat_t));
331 break;
332 }
333
334 case I4B_CTL_CLR_LAPDSTAT:
335 {
336 int *up;
337 l2_softc_t *sc;
338 up = (int *)data;
339
340 if( *up < 0 || *up > MAXL1UNITS)
341 {
342 error = EINVAL;
343 break;
344 }
345
346 sc = &l2_softc[*up];
347
348 bzero(&sc->stat, sizeof(lapdstat_t));
349 break;
350 }
351
352 default:
353 error = ENOTTY;
354 break;
355 }
356 return(error);
357#endif DO_I4B_DEBUG
358}
359
9a7f3897 360#if (defined(__DragonFly__) || defined(__FreeBSD__)) && defined(OS_USES_POLL)
984263bc
MD
361
362/*---------------------------------------------------------------------------*
363 * i4bctlpoll - device driver poll routine
364 *---------------------------------------------------------------------------*/
365static int
7b95be2a 366i4bctlpoll (dev_t dev, int events, struct thread *td)
984263bc
MD
367{
368 return (ENODEV);
369}
370
371#endif
372
373#endif /* NI4BCTL > 0 */