if_ce.c revision 207554
1/*
2 * Cronyx-Tau32-PCI adapter driver for FreeBSD.
3 *
4 * Copyright (C) 2003-2005 Cronyx Engineering.
5 * Copyright (C) 2003-2005 Kurakin Roman, <rik@FreeBSD.org>
6 *
7 * This software is distributed with NO WARRANTIES, not even the implied
8 * warranties for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
9 *
10 * Authors grant any other persons or organisations a permission to use,
11 * modify and redistribute this software in source and binary forms,
12 * as long as this message is kept with the software, all derivative
13 * works or modified versions.
14 *
15 * $Cronyx: if_ce.c,v 1.9.2.8 2005/11/21 14:17:44 rik Exp $
16 */
17
18#include <sys/cdefs.h>
19__FBSDID("$FreeBSD: head/sys/dev/ce/if_ce.c 207554 2010-05-03 07:32:50Z sobomax $");
20
21#include <sys/param.h>
22
23#if __FreeBSD_version >= 500000
24#   define NPCI 1
25#else
26#   include "pci.h"
27#endif
28
29#if NPCI > 0
30
31#include <sys/ucred.h>
32#include <sys/priv.h>
33#include <sys/proc.h>
34#include <sys/systm.h>
35#include <sys/mbuf.h>
36#include <sys/kernel.h>
37#include <sys/module.h>
38#include <sys/conf.h>
39#include <sys/malloc.h>
40#include <sys/socket.h>
41#include <sys/sockio.h>
42#if __FreeBSD_version >= 504000
43#include <sys/sysctl.h>
44#endif
45#include <sys/tty.h>
46#include <sys/bus.h>
47#include <vm/vm.h>
48#include <vm/pmap.h>
49#include <net/if.h>
50#if __FreeBSD_version > 501000
51#   include <dev/pci/pcivar.h>
52#   include <dev/pci/pcireg.h>
53#else
54#   include <pci/pcivar.h>
55#   include <pci/pcireg.h>
56#endif
57#include <machine/bus.h>
58#include <sys/rman.h>
59#include "opt_ng_cronyx.h"
60#ifdef NETGRAPH_CRONYX
61#   include "opt_netgraph.h"
62#   ifndef NETGRAPH
63#	error #option	NETGRAPH missed from configuration
64#   endif
65#   include <netgraph/ng_message.h>
66#   include <netgraph/netgraph.h>
67#   include <dev/ce/ng_ce.h>
68#else
69#   include <net/if_types.h>
70#   include <net/if_sppp.h>
71#   define PP_CISCO IFF_LINK2
72#   include <net/bpf.h>
73#endif
74#include <dev/cx/machdep.h>
75#include <dev/ce/ceddk.h>
76#include <machine/cserial.h>
77#include <machine/resource.h>
78#include <machine/pmap.h>
79
80/* If we don't have Cronyx's sppp version, we don't have fr support via sppp */
81#ifndef PP_FR
82#define PP_FR 0
83#endif
84
85#ifndef IFP2SP
86#define IFP2SP(ifp)	((struct sppp*)ifp)
87#endif
88#ifndef SP2IFP
89#define SP2IFP(sp)	((struct ifnet*)sp)
90#endif
91
92#ifndef PCIR_BAR
93#define PCIR_BAR(x)	(PCIR_MAPS + (x) * 4)
94#endif
95
96/* define as our previous return value */
97#ifndef BUS_PROBE_DEFAULT
98#define BUS_PROBE_DEFAULT 0
99#endif
100
101#define CE_DEBUG(d,s)	({if (d->chan->debug) {\
102				printf ("%s: ", d->name); printf s;}})
103#define CE_DEBUG2(d,s)	({if (d->chan->debug>1) {\
104				printf ("%s: ", d->name); printf s;}})
105
106#ifndef CALLOUT_MPSAFE
107#define CALLOUT_MPSAFE		0
108#endif
109
110#ifndef IF_DRAIN
111#define IF_DRAIN(ifq) do {		\
112	struct mbuf *m;			\
113	for (;;) {			\
114		IF_DEQUEUE(ifq, m);	\
115		if (m == NULL)		\
116			break;		\
117		m_freem(m);		\
118	}				\
119} while (0)
120#endif
121
122#ifndef _IF_QLEN
123#define _IF_QLEN(ifq)	((ifq)->ifq_len)
124#endif
125
126#ifndef callout_drain
127#define callout_drain callout_stop
128#endif
129
130#define CE_LOCK_NAME		"ceX"
131
132#define CE_LOCK(_bd)		mtx_lock (&(_bd)->ce_mtx)
133#define CE_UNLOCK(_bd)		mtx_unlock (&(_bd)->ce_mtx)
134#define CE_LOCK_ASSERT(_bd)	mtx_assert (&(_bd)->ce_mtx, MA_OWNED)
135
136#define CDEV_MAJOR	185
137
138static	int ce_probe		__P((device_t));
139static	int ce_attach		__P((device_t));
140static	int ce_detach		__P((device_t));
141
142static	device_method_t ce_methods[] = {
143	/* Device interface */
144	DEVMETHOD(device_probe,		ce_probe),
145	DEVMETHOD(device_attach,	ce_attach),
146	DEVMETHOD(device_detach,	ce_detach),
147
148	{0, 0}
149};
150
151typedef struct _ce_dma_mem_t {
152	unsigned long	phys;
153	void		*virt;
154	size_t		size;
155#if __FreeBSD_version >= 500000
156	bus_dma_tag_t	dmat;
157	bus_dmamap_t	mapp;
158#endif
159} ce_dma_mem_t;
160
161typedef struct _drv_t {
162	char	name [8];
163	int	running;
164	ce_board_t	*board;
165	ce_chan_t	*chan;
166	struct ifqueue	rqueue;
167#ifdef NETGRAPH
168	char	nodename [NG_NODESIZE];
169	hook_p	hook;
170	hook_p	debug_hook;
171	node_p	node;
172	struct	ifqueue queue;
173	struct	ifqueue hi_queue;
174#else
175	struct	ifnet *ifp;
176#endif
177	short	timeout;
178	struct	callout timeout_handle;
179#if __FreeBSD_version >= 500000
180	struct	cdev *devt;
181#else /* __FreeBSD_version < 500000 */
182	dev_t	devt;
183#endif
184	ce_dma_mem_t dmamem;
185} drv_t;
186
187typedef	struct _bdrv_t {
188	ce_board_t	*board;
189	struct resource *ce_res;
190	struct resource *ce_irq;
191	void		*ce_intrhand;
192	ce_dma_mem_t	dmamem;
193	drv_t		channel [NCHAN];
194#if __FreeBSD_version >= 504000
195	struct mtx	ce_mtx;
196#endif
197} bdrv_t;
198
199static	driver_t ce_driver = {
200	"ce",
201	ce_methods,
202	sizeof(bdrv_t),
203};
204
205static	devclass_t ce_devclass;
206
207static void ce_receive (ce_chan_t *c, unsigned char *data, int len);
208static void ce_transmit (ce_chan_t *c, void *attachment, int len);
209static void ce_error (ce_chan_t *c, int data);
210static void ce_up (drv_t *d);
211static void ce_start (drv_t *d);
212static void ce_down (drv_t *d);
213static void ce_watchdog (drv_t *d);
214static void ce_watchdog_timer (void *arg);
215#ifdef NETGRAPH
216extern struct ng_type typestruct;
217#else
218static void ce_ifstart (struct ifnet *ifp);
219static void ce_tlf (struct sppp *sp);
220static void ce_tls (struct sppp *sp);
221static int ce_sioctl (struct ifnet *ifp, u_long cmd, caddr_t data);
222static void ce_initialize (void *softc);
223#endif
224
225static ce_board_t *adapter [NBRD];
226static drv_t *channel [NBRD*NCHAN];
227static struct callout led_timo [NBRD];
228static struct callout timeout_handle;
229
230static int ce_destroy = 0;
231
232#if __FreeBSD_version < 500000
233static int ce_open (dev_t dev, int oflags, int devtype, struct proc *p);
234static int ce_close (dev_t dev, int fflag, int devtype, struct proc *p);
235static int ce_ioctl (dev_t dev, u_long cmd, caddr_t data, int flag, struct proc *p);
236#else
237static int ce_open (struct cdev *dev, int oflags, int devtype, struct thread *td);
238static int ce_close (struct cdev *dev, int fflag, int devtype, struct thread *td);
239static int ce_ioctl (struct cdev *dev, u_long cmd, caddr_t data, int flag, struct thread *td);
240#endif
241#if __FreeBSD_version < 500000
242static struct cdevsw ce_cdevsw = {
243	ce_open,	ce_close,	noread,		nowrite,
244	ce_ioctl,	nopoll,		nommap,		nostrategy,
245	"ce",		CDEV_MAJOR,	nodump,		nopsize,
246	D_NAGGED,	-1
247	};
248#elif __FreeBSD_version == 500000
249static struct cdevsw ce_cdevsw = {
250	ce_open,	ce_close,	noread,		nowrite,
251	ce_ioctl,	nopoll,		nommap,		nostrategy,
252	"ce",		CDEV_MAJOR,	nodump,		nopsize,
253	D_NAGGED,
254	};
255#elif __FreeBSD_version <= 501000
256static struct cdevsw ce_cdevsw = {
257	.d_open	    = ce_open,
258	.d_close    = ce_close,
259	.d_read     = noread,
260	.d_write    = nowrite,
261	.d_ioctl    = ce_ioctl,
262	.d_poll     = nopoll,
263	.d_mmap	    = nommap,
264	.d_strategy = nostrategy,
265	.d_name     = "ce",
266	.d_maj	    = CDEV_MAJOR,
267	.d_dump     = nodump,
268	.d_flags    = D_NAGGED,
269};
270#elif __FreeBSD_version < 502103
271static struct cdevsw ce_cdevsw = {
272	.d_open     = ce_open,
273	.d_close    = ce_close,
274	.d_ioctl    = ce_ioctl,
275	.d_name     = "ce",
276	.d_maj	    = CDEV_MAJOR,
277	.d_flags    = D_NAGGED,
278};
279#elif __FreeBSD_version < 600000
280static struct cdevsw ce_cdevsw = {
281	.d_version  = D_VERSION,
282	.d_open     = ce_open,
283	.d_close    = ce_close,
284	.d_ioctl    = ce_ioctl,
285	.d_name     = "ce",
286	.d_maj	    = CDEV_MAJOR,
287	.d_flags    = D_NEEDGIANT,
288};
289#else /* __FreeBSD_version >= 600000 */
290static struct cdevsw ce_cdevsw = {
291	.d_version  = D_VERSION,
292	.d_open     = ce_open,
293	.d_close    = ce_close,
294	.d_ioctl    = ce_ioctl,
295	.d_name     = "ce",
296};
297#endif
298
299/*
300 * Print the mbuf chain, for debug purposes only.
301 */
302static void printmbuf (struct mbuf *m)
303{
304	printf ("mbuf:");
305	for (; m; m=m->m_next) {
306		if (m->m_flags & M_PKTHDR)
307			printf (" HDR %d:", m->m_pkthdr.len);
308		if (m->m_flags & M_EXT)
309			printf (" EXT:");
310		printf (" %d", m->m_len);
311	}
312	printf ("\n");
313}
314
315/*
316 * Make an mbuf from data.
317 */
318static struct mbuf *makembuf (void *buf, unsigned len)
319{
320	struct mbuf *m;
321
322	MGETHDR (m, M_DONTWAIT, MT_DATA);
323	if (! m)
324		return 0;
325	MCLGET (m, M_DONTWAIT);
326	if (! (m->m_flags & M_EXT)) {
327		m_freem (m);
328		return 0;
329	}
330	m->m_pkthdr.len = m->m_len = len;
331	bcopy (buf, mtod (m, caddr_t), len);
332	return m;
333}
334
335static int ce_probe (device_t dev)
336{
337	if ((pci_get_vendor (dev) == TAU32_PCI_VENDOR_ID) &&
338	    (pci_get_device (dev) == TAU32_PCI_DEVICE_ID)) {
339		device_set_desc (dev, "Cronyx-Tau32-PCI serial adapter");
340		return BUS_PROBE_DEFAULT;
341	}
342	return ENXIO;
343}
344
345static void ce_timeout (void *arg)
346{
347	drv_t *d;
348	int s, i, k;
349
350	for (i = 0; i < NBRD; ++i) {
351		if (adapter[i] == NULL)
352			continue;
353		for (k = 0; k < NCHAN; ++k) {
354			s = splimp ();
355			if (ce_destroy) {
356				splx (s);
357				return;
358			}
359			d = channel[i * NCHAN + k];
360			if (!d) {
361				splx (s);
362				continue;
363			}
364			CE_LOCK ((bdrv_t *)d->board->sys);
365			switch (d->chan->type) {
366			case T_E1:
367				ce_e1_timer (d->chan);
368				break;
369			default:
370				break;
371			}
372			CE_UNLOCK ((bdrv_t *)d->board->sys);
373			splx (s);
374		}
375	}
376	s = splimp ();
377	if (!ce_destroy)
378		callout_reset (&timeout_handle, hz, ce_timeout, 0);
379	splx (s);
380}
381
382static void ce_led_off (void *arg)
383{
384	ce_board_t *b = arg;
385	bdrv_t *bd = (bdrv_t *) b->sys;
386	int s;
387	s = splimp ();
388	if (ce_destroy) {
389		splx (s);
390		return;
391	}
392	CE_LOCK (bd);
393	TAU32_LedSet (b->ddk.pControllerObject, 0);
394	CE_UNLOCK (bd);
395	splx (s);
396}
397
398static void ce_intr (void *arg)
399{
400	bdrv_t *bd = arg;
401	ce_board_t *b = bd->board;
402	int s;
403	int i;
404#if __FreeBSD_version >= 500000 && defined NETGRAPH
405	int error;
406#endif
407	s = splimp ();
408	if (ce_destroy) {
409		splx (s);
410		return;
411	}
412	CE_LOCK (bd);
413	/* Turn LED on. */
414	TAU32_LedSet (b->ddk.pControllerObject, 1);
415
416	TAU32_HandleInterrupt (b->ddk.pControllerObject);
417
418	/* Turn LED off 50 msec later. */
419	callout_reset (&led_timo[b->num], hz/20, ce_led_off, b);
420	CE_UNLOCK (bd);
421	splx (s);
422
423	/* Pass packets in a lock-free state */
424	for (i = 0; i < NCHAN && b->chan[i].type; i++) {
425		drv_t *d = b->chan[i].sys;
426		struct mbuf *m;
427		if (!d || !d->running)
428			continue;
429		while (_IF_QLEN(&d->rqueue)) {
430			IF_DEQUEUE (&d->rqueue,m);
431			if (!m)
432				continue;
433#ifdef NETGRAPH
434			if (d->hook) {
435#if __FreeBSD_version >= 500000
436				NG_SEND_DATA_ONLY (error, d->hook, m);
437#else
438				ng_queue_data (d->hook, m, 0);
439#endif
440			} else {
441				IF_DRAIN (&d->rqueue);
442			}
443#else
444			sppp_input (d->ifp, m);
445#endif
446		}
447	}
448}
449
450#if __FreeBSD_version >= 500000
451static void
452ce_bus_dmamap_addr (void *arg, bus_dma_segment_t *segs, int nseg, int error)
453{
454	unsigned long *addr;
455
456	if (error)
457		return;
458
459	KASSERT(nseg == 1, ("too many DMA segments, %d should be 1", nseg));
460	addr = arg;
461	*addr = segs->ds_addr;
462}
463
464#ifndef BUS_DMA_ZERO
465#define BUS_DMA_ZERO 0
466#endif
467
468static int
469ce_bus_dma_mem_alloc (int bnum, int cnum, ce_dma_mem_t *dmem)
470{
471	int error;
472
473	error = bus_dma_tag_create (NULL, 16, 0, BUS_SPACE_MAXADDR_32BIT,
474		BUS_SPACE_MAXADDR, NULL, NULL, dmem->size, 1,
475		dmem->size, 0,
476#if __FreeBSD_version >= 502000
477		NULL, NULL,
478#endif
479		&dmem->dmat);
480	if (error) {
481		if (cnum >= 0)	printf ("ce%d-%d: ", bnum, cnum);
482		else		printf ("ce%d: ", bnum);
483		printf ("couldn't allocate tag for dma memory\n");
484 		return 0;
485	}
486	error = bus_dmamem_alloc (dmem->dmat, (void **)&dmem->virt,
487		BUS_DMA_NOWAIT | BUS_DMA_ZERO, &dmem->mapp);
488	if (error) {
489		if (cnum >= 0)	printf ("ce%d-%d: ", bnum, cnum);
490		else		printf ("ce%d: ", bnum);
491		printf ("couldn't allocate mem for dma memory\n");
492		bus_dma_tag_destroy (dmem->dmat);
493 		return 0;
494	}
495	error = bus_dmamap_load (dmem->dmat, dmem->mapp, dmem->virt,
496		dmem->size, ce_bus_dmamap_addr, &dmem->phys, 0);
497	if (error) {
498		if (cnum >= 0)	printf ("ce%d-%d: ", bnum, cnum);
499		else		printf ("ce%d: ", bnum);
500		printf ("couldn't load mem map for dma memory\n");
501		bus_dmamem_free (dmem->dmat, dmem->virt, dmem->mapp);
502		bus_dma_tag_destroy (dmem->dmat);
503 		return 0;
504	}
505#if __FreeBSD_version >= 502000
506	bzero (dmem->virt, dmem->size);
507#endif
508	return 1;
509}
510
511static void
512ce_bus_dma_mem_free (ce_dma_mem_t *dmem)
513{
514	bus_dmamap_unload (dmem->dmat, dmem->mapp);
515	bus_dmamem_free (dmem->dmat, dmem->virt, dmem->mapp);
516	bus_dma_tag_destroy (dmem->dmat);
517}
518#else
519static int
520ce_bus_dma_mem_alloc (int bnum, int cnum, ce_dma_mem_t *dmem)
521{
522	dmem->virt = contigmalloc (dmem->size, M_DEVBUF, M_WAITOK,
523				   0x100000, 0xffffffff, 16, 0);
524	if (dmem->virt == NULL) {
525		if (cnum >= 0)	printf ("ce%d-%d: ", bnum, cnum);
526		else		printf ("ce%d: ", bnum);
527		printf ("couldn't allocate dma memory\n");
528 		return 0;
529	}
530	dmem->phys = vtophys (dmem->virt);
531	bzero (dmem->virt, dmem->size);
532	return 1;
533}
534
535static void
536ce_bus_dma_mem_free (ce_dma_mem_t *dmem)
537{
538	contigfree (dmem->virt, dmem->size, M_DEVBUF);
539}
540#endif
541
542/*
543 * Called if the probe succeeded.
544 */
545static int ce_attach (device_t dev)
546{
547	bdrv_t *bd = device_get_softc (dev);
548	int unit = device_get_unit (dev);
549#if __FreeBSD_version >= 504000
550	char *ce_ln = CE_LOCK_NAME;
551#endif
552	vm_offset_t vbase;
553	int rid, error;
554	ce_board_t *b;
555	ce_chan_t *c;
556	drv_t *d;
557	int s;
558
559	b = malloc (sizeof(ce_board_t), M_DEVBUF, M_WAITOK);
560	if (!b) {
561		printf ("ce%d: couldn't allocate memory\n", unit);
562		return (ENXIO);
563	}
564	bzero (b, sizeof(ce_board_t));
565
566	b->ddk.sys = &b;
567
568#if __FreeBSD_version >= 440000
569	pci_enable_busmaster (dev);
570#endif
571
572	bd->dmamem.size = TAU32_ControllerObjectSize;
573	if (! ce_bus_dma_mem_alloc (unit, -1, &bd->dmamem)) {
574		free (b, M_DEVBUF);
575		return (ENXIO);
576	}
577	b->ddk.pControllerObject = bd->dmamem.virt;
578
579	bd->board = b;
580	b->sys = bd;
581	rid = PCIR_BAR(0);
582	bd->ce_res = bus_alloc_resource (dev, SYS_RES_MEMORY, &rid,
583			0, ~0, 1, RF_ACTIVE);
584	if (! bd->ce_res) {
585		printf ("ce%d: cannot map memory\n", unit);
586		ce_bus_dma_mem_free (&bd->dmamem);
587		free (b, M_DEVBUF);
588		return (ENXIO);
589	}
590	vbase = (vm_offset_t) rman_get_virtual (bd->ce_res);
591
592	b->ddk.PciBar1VirtualAddress = (void *)vbase;
593	b->ddk.ControllerObjectPhysicalAddress = bd->dmamem.phys;
594	b->ddk.pErrorNotifyCallback = ce_error_callback;
595	b->ddk.pStatusNotifyCallback = ce_status_callback;
596	b->num = unit;
597
598	TAU32_BeforeReset(&b->ddk);
599	pci_write_config (dev, TAU32_PCI_RESET_ADDRESS, TAU32_PCI_RESET_ON, 4);
600	pci_write_config (dev, TAU32_PCI_RESET_ADDRESS, TAU32_PCI_RESET_OFF, 4);
601
602	if(!TAU32_Initialize(&b->ddk, 0))
603	{
604		printf ("ce%d: init adapter error 0x%08x, bus dead bits 0x%08lx\n",
605			unit, b->ddk.InitErrors, b->ddk.DeadBits);
606		bus_release_resource (dev, SYS_RES_MEMORY, PCIR_BAR(0), bd->ce_res);
607		ce_bus_dma_mem_free (&bd->dmamem);
608		free (b, M_DEVBUF);
609		return (ENXIO);
610	}
611
612	s = splimp ();
613
614	ce_init_board (b);
615
616	rid = 0;
617	bd->ce_irq = bus_alloc_resource (dev, SYS_RES_IRQ, &rid, 0, ~0, 1,
618			RF_SHAREABLE | RF_ACTIVE);
619	if (! bd->ce_irq) {
620		printf ("ce%d: cannot map interrupt\n", unit);
621		bus_release_resource (dev, SYS_RES_MEMORY, PCIR_BAR(0), bd->ce_res);
622		ce_bus_dma_mem_free (&bd->dmamem);
623		free (b, M_DEVBUF);
624		splx (s);
625		return (ENXIO);
626	}
627#if __FreeBSD_version >= 500000
628	callout_init (&led_timo[unit], CALLOUT_MPSAFE);
629#else
630	callout_init (&led_timo[unit]);
631#endif
632	error  = bus_setup_intr (dev, bd->ce_irq,
633#if __FreeBSD_version >= 500013
634				INTR_TYPE_NET|INTR_MPSAFE,
635#else
636				INTR_TYPE_NET,
637#endif
638				NULL, ce_intr, bd, &bd->ce_intrhand);
639	if (error) {
640		printf ("ce%d: cannot set up irq\n", unit);
641		bus_release_resource (dev, SYS_RES_IRQ, 0, bd->ce_irq);
642		bus_release_resource (dev, SYS_RES_MEMORY,
643				PCIR_BAR(0), bd->ce_res);
644		ce_bus_dma_mem_free (&bd->dmamem);
645		free (b, M_DEVBUF);
646		splx (s);
647		return (ENXIO);
648 	}
649
650	switch (b->ddk.Model) {
651	case 1:		strcpy (b->name, TAU32_BASE_NAME);	break;
652	case 2:		strcpy (b->name, TAU32_LITE_NAME);	break;
653	case 3:		strcpy (b->name, TAU32_ADPCM_NAME);	break;
654	default:	strcpy (b->name, TAU32_UNKNOWN_NAME);	break;
655	}
656
657	printf ("ce%d: %s\n", unit, b->name);
658
659	for (c = b->chan; c < b->chan + NCHAN; ++c) {
660		c->num = (c - b->chan);
661		c->board = b;
662
663		d = &bd->channel[c->num];
664		d->dmamem.size = sizeof(ce_buf_t);
665		if (! ce_bus_dma_mem_alloc (unit, c->num, &d->dmamem))
666			continue;
667
668		channel [b->num * NCHAN + c->num] = d;
669		sprintf (d->name, "ce%d.%d", b->num, c->num);
670		d->board = b;
671		d->chan = c;
672		c->sys = d;
673	}
674
675	for (c = b->chan; c < b->chan + NCHAN; ++c) {
676		if (c->sys == NULL)
677			continue;
678		d = c->sys;
679
680		callout_init (&d->timeout_handle, CALLOUT_MPSAFE);
681#ifdef NETGRAPH
682		if (ng_make_node_common (&typestruct, &d->node) != 0) {
683			printf ("%s: cannot make common node\n", d->name);
684			d->node = NULL;
685			continue;
686		}
687#if __FreeBSD_version >= 500000
688		NG_NODE_SET_PRIVATE (d->node, d);
689#else
690		d->node->private = d;
691#endif
692		sprintf (d->nodename, "%s%d", NG_CE_NODE_TYPE,
693			 c->board->num * NCHAN + c->num);
694		if (ng_name_node (d->node, d->nodename)) {
695			printf ("%s: cannot name node\n", d->nodename);
696#if __FreeBSD_version >= 500000
697			NG_NODE_UNREF (d->node);
698#else
699			ng_rmnode (d->node);
700			ng_unref (d->node);
701#endif
702			continue;
703		}
704		d->queue.ifq_maxlen	= ifqmaxlen;
705		d->hi_queue.ifq_maxlen	= ifqmaxlen;
706		d->rqueue.ifq_maxlen	= ifqmaxlen;
707#if __FreeBSD_version >= 500000
708		mtx_init (&d->queue.ifq_mtx, "ce_queue", NULL, MTX_DEF);
709		mtx_init (&d->hi_queue.ifq_mtx, "ce_queue_hi", NULL, MTX_DEF);
710		mtx_init (&d->rqueue.ifq_mtx, "ce_rqueue", NULL, MTX_DEF);
711#endif
712#else /*NETGRAPH*/
713#if __FreeBSD_version >= 600031
714		d->ifp = if_alloc(IFT_PPP);
715#else
716		d->ifp = malloc (sizeof(struct sppp), M_DEVBUF, M_WAITOK);
717		bzero (d->ifp, sizeof(struct sppp));
718#endif
719		if (!d->ifp) {
720			printf ("%s: cannot if_alloc() interface\n", d->name);
721			continue;
722		}
723		d->ifp->if_softc	= d;
724#if __FreeBSD_version > 501000
725		if_initname (d->ifp, "ce", b->num * NCHAN + c->num);
726#else
727		d->ifp->if_unit		= b->num * NCHAN + c->num;
728		d->ifp->if_name		= "ce";
729#endif
730		d->ifp->if_mtu		= PP_MTU;
731		d->ifp->if_flags	= IFF_POINTOPOINT | IFF_MULTICAST;
732		d->ifp->if_ioctl	= ce_sioctl;
733		d->ifp->if_start	= ce_ifstart;
734		d->ifp->if_init		= ce_initialize;
735		d->rqueue.ifq_maxlen	= ifqmaxlen;
736#if __FreeBSD_version >= 500000
737		mtx_init (&d->rqueue.ifq_mtx, "ce_rqueue", NULL, MTX_DEF);
738#endif
739		sppp_attach (d->ifp);
740		if_attach (d->ifp);
741		IFP2SP(d->ifp)->pp_tlf	= ce_tlf;
742		IFP2SP(d->ifp)->pp_tls	= ce_tls;
743		/* If BPF is in the kernel, call the attach for it.
744		 * The header size of PPP or Cisco/HDLC is 4 bytes. */
745		bpfattach (d->ifp, DLT_PPP, 4);
746#endif /*NETGRAPH*/
747		ce_start_chan (c, 1, 1, d->dmamem.virt, d->dmamem.phys);
748
749		/* Register callback functions. */
750		ce_register_transmit (c, &ce_transmit);
751		ce_register_receive (c, &ce_receive);
752		ce_register_error (c, &ce_error);
753		d->devt = make_dev (&ce_cdevsw, b->num*NCHAN+c->num, UID_ROOT,
754				GID_WHEEL, 0600, "ce%d", b->num*NCHAN+c->num);
755	}
756
757#if __FreeBSD_version >= 504000
758	ce_ln[2] = '0' + unit;
759	mtx_init (&bd->ce_mtx, ce_ln, MTX_NETWORK_LOCK, MTX_DEF|MTX_RECURSE);
760#endif
761	CE_LOCK (bd);
762	TAU32_EnableInterrupts(b->ddk.pControllerObject);
763	adapter[unit] = b;
764	CE_UNLOCK (bd);
765	splx (s);
766
767	return 0;
768}
769
770static int ce_detach (device_t dev)
771{
772	bdrv_t *bd = device_get_softc (dev);
773	ce_board_t *b = bd->board;
774	ce_chan_t *c;
775	int s;
776
777#if __FreeBSD_version >= 504000
778	KASSERT (mtx_initialized (&bd->ce_mtx), ("ce mutex not initialized"));
779#endif
780	s = splimp ();
781	CE_LOCK (bd);
782	/* Check if the device is busy (open). */
783	for (c = b->chan; c < b->chan + NCHAN; ++c) {
784		drv_t *d = (drv_t*) c->sys;
785
786		/* XXX Non existen chan! */
787		if (! d || ! d->chan)
788			continue;
789		if (d->running) {
790			CE_UNLOCK (bd);
791			splx (s);
792			return EBUSY;
793		}
794	}
795
796	/* Ok, we can unload driver */
797	/* At first we should disable interrupts */
798	ce_destroy = 1;
799	TAU32_DisableInterrupts(b->ddk.pControllerObject);
800
801	callout_stop (&led_timo[b->num]);
802
803	for (c = b->chan; c < b->chan + NCHAN; ++c) {
804		drv_t *d = (drv_t*) c->sys;
805
806		if (! d || ! d->chan)
807			continue;
808		callout_stop (&d->timeout_handle);
809#ifndef NETGRAPH
810		/* Detach from the packet filter list of interfaces. */
811		bpfdetach (d->ifp);
812
813		/* Detach from the sync PPP list. */
814		sppp_detach (d->ifp);
815
816		/* Detach from the system list of interfaces. */
817		if_detach (d->ifp);
818#if __FreeBSD_version > 600031
819		if_free(d->ifp);
820#else
821		free (d->ifp, M_DEVBUF);
822#endif
823
824		IF_DRAIN (&d->rqueue);
825#if __FreeBSD_version >= 500000
826		mtx_destroy (&d->rqueue.ifq_mtx);
827#endif
828#else
829#if __FreeBSD_version >= 500000
830		if (d->node) {
831			ng_rmnode_self (d->node);
832			NG_NODE_UNREF (d->node);
833			d->node = NULL;
834		}
835		IF_DRAIN (&d->rqueue);
836		mtx_destroy (&d->queue.ifq_mtx);
837		mtx_destroy (&d->hi_queue.ifq_mtx);
838		mtx_destroy (&d->rqueue.ifq_mtx);
839#else
840		ng_rmnode (d->node);
841		d->node = 0;
842#endif
843#endif
844		destroy_dev (d->devt);
845	}
846
847	CE_UNLOCK (bd);
848	splx (s);
849
850	callout_drain (&led_timo[b->num]);
851
852	/* Disable the interrupt request. */
853	bus_teardown_intr (dev, bd->ce_irq, bd->ce_intrhand);
854	bus_release_resource (dev, SYS_RES_IRQ, 0, bd->ce_irq);
855	TAU32_DestructiveHalt (b->ddk.pControllerObject, 0);
856	bus_release_resource (dev, SYS_RES_MEMORY, PCIR_BAR(0), bd->ce_res);
857
858	for (c = b->chan; c < b->chan + NCHAN; ++c) {
859		drv_t *d = (drv_t*) c->sys;
860
861		if (! d || ! d->chan)
862			continue;
863		callout_drain (&d->timeout_handle);
864		channel [b->num * NCHAN + c->num] = 0;
865		/* Deallocate buffers. */
866		ce_bus_dma_mem_free (&d->dmamem);
867	}
868	adapter [b->num] = 0;
869	ce_bus_dma_mem_free (&bd->dmamem);
870	free (b, M_DEVBUF);
871#if __FreeBSD_version >= 504000
872	mtx_destroy (&bd->ce_mtx);
873#endif
874	return 0;
875}
876
877#ifndef NETGRAPH
878static void ce_ifstart (struct ifnet *ifp)
879{
880	drv_t *d = ifp->if_softc;
881	bdrv_t *bd = d->board->sys;
882
883	CE_LOCK (bd);
884	ce_start (d);
885	CE_UNLOCK (bd);
886}
887
888static void ce_tlf (struct sppp *sp)
889{
890	drv_t *d = SP2IFP(sp)->if_softc;
891
892	CE_DEBUG2 (d, ("ce_tlf\n"));
893	sp->pp_down (sp);
894}
895
896static void ce_tls (struct sppp *sp)
897{
898	drv_t *d = SP2IFP(sp)->if_softc;
899
900	CE_DEBUG2 (d, ("ce_tls\n"));
901	sp->pp_up (sp);
902}
903
904/*
905 * Process an ioctl request.
906 */
907static int ce_sioctl (struct ifnet *ifp, u_long cmd, caddr_t data)
908{
909	drv_t *d = ifp->if_softc;
910	bdrv_t *bd = d->board->sys;
911	int error, s, was_up, should_be_up;
912
913#if __FreeBSD_version >= 600034
914	was_up = (ifp->if_drv_flags & IFF_DRV_RUNNING) != 0;
915#else
916	was_up = (ifp->if_flags & IFF_RUNNING) != 0;
917#endif
918	error = sppp_ioctl (ifp, cmd, data);
919
920	if (error)
921		return error;
922
923	if (! (ifp->if_flags & IFF_DEBUG))
924		d->chan->debug = 0;
925	else
926		d->chan->debug = d->chan->debug_shadow;
927
928	switch (cmd) {
929	default:	   CE_DEBUG2 (d, ("ioctl 0x%lx\n", cmd));   return 0;
930	case SIOCADDMULTI: CE_DEBUG2 (d, ("ioctl SIOCADDMULTI\n")); return 0;
931	case SIOCDELMULTI: CE_DEBUG2 (d, ("ioctl SIOCDELMULTI\n")); return 0;
932	case SIOCSIFFLAGS: CE_DEBUG2 (d, ("ioctl SIOCSIFFLAGS\n")); break;
933	case SIOCSIFADDR:  CE_DEBUG2 (d, ("ioctl SIOCSIFADDR\n"));  break;
934	}
935
936	/* We get here only in case of SIFFLAGS or SIFADDR. */
937	s = splimp ();
938	CE_LOCK (bd);
939#if __FreeBSD_version >= 600034
940	should_be_up = (ifp->if_drv_flags & IFF_DRV_RUNNING) != 0;
941#else
942	should_be_up = (ifp->if_flags & IFF_RUNNING) != 0;
943#endif
944	if (! was_up && should_be_up) {
945		/* Interface goes up -- start it. */
946		ce_up (d);
947		ce_start (d);
948	} else if (was_up && ! should_be_up) {
949		/* Interface is going down -- stop it. */
950/*		if ((IFP2SP(ifp)->pp_flags & PP_FR) || (ifp->if_flags & PP_CISCO))*/
951		ce_down (d);
952	}
953	CE_DEBUG (d, ("ioctl 0x%lx p4\n", cmd));
954	CE_UNLOCK (bd);
955	splx (s);
956	return 0;
957}
958
959/*
960 * Initialization of interface.
961 * It seems to be never called by upper level?
962 */
963static void ce_initialize (void *softc)
964{
965	drv_t *d = softc;
966
967	CE_DEBUG (d, ("ce_initialize\n"));
968}
969#endif /*NETGRAPH*/
970
971/*
972 * Stop the interface.  Called on splimp().
973 */
974static void ce_down (drv_t *d)
975{
976	CE_DEBUG (d, ("ce_down\n"));
977	/* Interface is going down -- stop it. */
978	ce_set_dtr (d->chan, 0);
979	ce_set_rts (d->chan, 0);
980
981	d->running = 0;
982	callout_stop (&d->timeout_handle);
983}
984
985/*
986 * Start the interface.  Called on splimp().
987 */
988static void ce_up (drv_t *d)
989{
990	CE_DEBUG (d, ("ce_up\n"));
991	ce_set_dtr (d->chan, 1);
992	ce_set_rts (d->chan, 1);
993
994	d->running = 1;
995}
996
997/*
998 * Start output on the interface.  Get another datagram to send
999 * off of the interface queue, and copy it to the interface
1000 * before starting the output.
1001 */
1002static void ce_send (drv_t *d)
1003{
1004	struct mbuf *m;
1005	u_short len;
1006
1007	CE_DEBUG2 (d, ("ce_send\n"));
1008
1009	/* No output if the interface is down. */
1010	if (! d->running)
1011		return;
1012
1013	while (ce_transmit_space (d->chan)) {
1014		/* Get the packet to send. */
1015#ifdef NETGRAPH
1016		IF_DEQUEUE (&d->hi_queue, m);
1017		if (! m)
1018			IF_DEQUEUE (&d->queue, m);
1019#else
1020		m = sppp_dequeue (d->ifp);
1021#endif
1022		if (! m)
1023			return;
1024#ifndef NETGRAPH
1025#if __FreeBSD_version >= 500000
1026		BPF_MTAP (d->ifp, m);
1027#else
1028		if (d->ifp->if_bpf)
1029			bpf_mtap (d->ifp, m);
1030#endif
1031#endif
1032#if __FreeBSD_version >= 490000
1033		len = m_length (m, NULL);
1034#else
1035		len = m->m_pkthdr.len;
1036#endif
1037		if (len >= BUFSZ)
1038			printf ("%s: too long packet: %d bytes: ",
1039				d->name, len);
1040		else if (! m->m_next)
1041			ce_send_packet (d->chan, (u_char*) mtod (m, caddr_t), len, 0);
1042		else {
1043			ce_buf_item_t *item = (ce_buf_item_t*)d->chan->tx_queue;
1044			m_copydata (m, 0, len, item->buf);
1045			ce_send_packet (d->chan, item->buf, len, 0);
1046		}
1047		m_freem (m);
1048		/* Set up transmit timeout, if the transmit ring is not empty.*/
1049		d->timeout = 10;
1050	}
1051#ifndef NETGRAPH
1052#if __FreeBSD_version >= 600034
1053	d->ifp->if_flags |= IFF_DRV_OACTIVE;
1054#else
1055	d->ifp->if_flags |= IFF_OACTIVE;
1056#endif
1057#endif
1058}
1059
1060/*
1061 * Start output on the interface.
1062 * Always called on splimp().
1063 */
1064static void ce_start (drv_t *d)
1065{
1066	if (d->running) {
1067		if (! d->chan->dtr)
1068			ce_set_dtr (d->chan, 1);
1069		if (! d->chan->rts)
1070			ce_set_rts (d->chan, 1);
1071		ce_send (d);
1072		callout_reset (&d->timeout_handle, hz, ce_watchdog_timer, d);
1073	}
1074}
1075
1076/*
1077 * Handle transmit timeouts.
1078 * Recover after lost transmit interrupts.
1079 * Always called on splimp().
1080 */
1081static void ce_watchdog (drv_t *d)
1082{
1083	CE_DEBUG (d, ("device timeout\n"));
1084	if (d->running) {
1085		ce_set_dtr (d->chan, 0);
1086		ce_set_rts (d->chan, 0);
1087/*		ce_stop_chan (d->chan);*/
1088/*		ce_start_chan (d->chan, 1, 1, 0, 0);*/
1089		ce_set_dtr (d->chan, 1);
1090		ce_set_rts (d->chan, 1);
1091		ce_start (d);
1092	}
1093}
1094
1095static void ce_watchdog_timer (void *arg)
1096{
1097	drv_t *d = arg;
1098	bdrv_t *bd = d->board->sys;
1099
1100	CE_LOCK(bd);
1101	if (d->timeout == 1)
1102		ce_watchdog (d);
1103	if (d->timeout)
1104		d->timeout--;
1105	callout_reset (&d->timeout_handle, hz, ce_watchdog_timer, d);
1106	CE_UNLOCK(bd);
1107}
1108
1109static void ce_transmit (ce_chan_t *c, void *attachment, int len)
1110{
1111	drv_t *d = c->sys;
1112
1113	d->timeout = 0;
1114#ifndef NETGRAPH
1115	++d->ifp->if_opackets;
1116#if __FreeBSD_version >=  600034
1117	d->ifp->if_flags &= ~IFF_DRV_OACTIVE;
1118#else
1119	d->ifp->if_flags &= ~IFF_OACTIVE;
1120#endif
1121#endif
1122	ce_start (d);
1123}
1124
1125static void ce_receive (ce_chan_t *c, unsigned char *data, int len)
1126{
1127	drv_t *d = c->sys;
1128	struct mbuf *m;
1129
1130	if (! d->running)
1131		return;
1132
1133	m = makembuf (data, len);
1134	if (! m) {
1135		CE_DEBUG (d, ("no memory for packet\n"));
1136#ifndef NETGRAPH
1137		++d->ifp->if_iqdrops;
1138#endif
1139		return;
1140	}
1141	if (c->debug > 1)
1142		printmbuf (m);
1143#ifdef NETGRAPH
1144	m->m_pkthdr.rcvif = 0;
1145	IF_ENQUEUE(&d->rqueue, m);
1146#else
1147	++d->ifp->if_ipackets;
1148	m->m_pkthdr.rcvif = d->ifp;
1149	/* Check if there's a BPF listener on this interface.
1150	 * If so, hand off the raw packet to bpf. */
1151#if __FreeBSD_version >= 500000
1152	BPF_TAP (d->ifp, data, len);
1153#else
1154	if (d->ifp->if_bpf)
1155		bpf_tap (d->ifp, data, len);
1156#endif
1157	IF_ENQUEUE(&d->rqueue, m);
1158#endif
1159}
1160
1161static void ce_error (ce_chan_t *c, int data)
1162{
1163	drv_t *d = c->sys;
1164
1165	switch (data) {
1166	case CE_FRAME:
1167		CE_DEBUG (d, ("frame error\n"));
1168#ifndef NETGRAPH
1169		++d->ifp->if_ierrors;
1170#endif
1171		break;
1172	case CE_CRC:
1173		CE_DEBUG (d, ("crc error\n"));
1174#ifndef NETGRAPH
1175		++d->ifp->if_ierrors;
1176#endif
1177		break;
1178	case CE_OVERRUN:
1179		CE_DEBUG (d, ("overrun error\n"));
1180#ifndef NETGRAPH
1181		++d->ifp->if_collisions;
1182		++d->ifp->if_ierrors;
1183#endif
1184		break;
1185	case CE_OVERFLOW:
1186		CE_DEBUG (d, ("overflow error\n"));
1187#ifndef NETGRAPH
1188		++d->ifp->if_ierrors;
1189#endif
1190		break;
1191	case CE_UNDERRUN:
1192		CE_DEBUG (d, ("underrun error\n"));
1193		d->timeout = 0;
1194#ifndef NETGRAPH
1195		++d->ifp->if_oerrors;
1196#if __FreeBSD_version >= 600034
1197		d->ifp->if_flags &= ~IFF_DRV_OACTIVE;
1198#else
1199		d->ifp->if_flags &= ~IFF_OACTIVE;
1200#endif
1201#endif
1202		ce_start (d);
1203		break;
1204	default:
1205		CE_DEBUG (d, ("error #%d\n", data));
1206		break;
1207	}
1208}
1209
1210/*
1211 * You also need read, write, open, close routines.
1212 * This should get you started
1213 */
1214#if __FreeBSD_version < 500000
1215static int ce_open (dev_t dev, int oflags, int devtype, struct proc *p)
1216#else
1217static int ce_open (struct cdev *dev, int oflags, int devtype, struct thread *td)
1218#endif
1219{
1220	int unit = dev2unit (dev);
1221	drv_t *d;
1222
1223	if (unit >= NBRD*NCHAN || ! (d = channel[unit]))
1224		return ENXIO;
1225	CE_DEBUG2 (d, ("ce_open\n"));
1226	return 0;
1227}
1228
1229/*
1230 * Only called on the LAST close.
1231 */
1232#if __FreeBSD_version < 500000
1233static int ce_close (dev_t dev, int fflag, int devtype, struct proc *p)
1234#else
1235static int ce_close (struct cdev *dev, int fflag, int devtype, struct thread *td)
1236#endif
1237{
1238	drv_t *d = channel [dev2unit (dev)];
1239
1240	CE_DEBUG2 (d, ("ce_close\n"));
1241	return 0;
1242}
1243
1244static int ce_modem_status (ce_chan_t *c)
1245{
1246	drv_t *d = c->sys;
1247	bdrv_t *bd = d->board->sys;
1248	int status, s;
1249
1250	status = d->running ? TIOCM_LE : 0;
1251	s = splimp ();
1252	CE_LOCK (bd);
1253	if (ce_get_cd  (c)) status |= TIOCM_CD;
1254	if (ce_get_cts (c)) status |= TIOCM_CTS;
1255	if (ce_get_dsr (c)) status |= TIOCM_DSR;
1256	if (c->dtr)	    status |= TIOCM_DTR;
1257	if (c->rts)	    status |= TIOCM_RTS;
1258	CE_UNLOCK (bd);
1259	splx (s);
1260	return status;
1261}
1262
1263#if __FreeBSD_version < 500000
1264static int ce_ioctl (dev_t dev, u_long cmd, caddr_t data, int flag, struct proc *p)
1265#else
1266static int ce_ioctl (struct cdev *dev, u_long cmd, caddr_t data, int flag, struct thread *td)
1267#endif
1268{
1269	drv_t *d = channel [dev2unit (dev)];
1270	bdrv_t *bd = d->board->sys;
1271	ce_chan_t *c = d->chan;
1272	struct serial_statistics *st;
1273	struct e1_statistics *opte1;
1274	int error, s;
1275	char mask[16];
1276
1277	switch (cmd) {
1278	case SERIAL_GETREGISTERED:
1279		CE_DEBUG2 (d, ("ioctl: getregistered\n"));
1280		bzero (mask, sizeof(mask));
1281		for (s=0; s<NBRD*NCHAN; ++s)
1282			if (channel [s])
1283				mask [s/8] |= 1 << (s & 7);
1284		bcopy (mask, data, sizeof (mask));
1285		return 0;
1286
1287#ifndef NETGRAPH
1288	case SERIAL_GETPROTO:
1289		CE_DEBUG2 (d, ("ioctl: getproto\n"));
1290		strcpy ((char*)data, (IFP2SP(d->ifp)->pp_flags & PP_FR) ? "fr" :
1291			(d->ifp->if_flags & PP_CISCO) ? "cisco" : "ppp");
1292		return 0;
1293
1294	case SERIAL_SETPROTO:
1295		CE_DEBUG2 (d, ("ioctl: setproto\n"));
1296		/* Only for superuser! */
1297#if __FreeBSD_version < 500000
1298		error = suser (p);
1299#elif __FreeBSD_version < 700000
1300		error = suser (td);
1301#else
1302		error = priv_check (td, PRIV_DRIVER);
1303#endif
1304		if (error)
1305			return error;
1306#if __FreeBSD_version >= 600034
1307		if (d->ifp->if_flags & IFF_DRV_RUNNING)
1308#else
1309		if (d->ifp->if_flags & IFF_RUNNING)
1310#endif
1311			return EBUSY;
1312		if (! strcmp ("cisco", (char*)data)) {
1313			IFP2SP(d->ifp)->pp_flags &= ~(PP_FR);
1314			IFP2SP(d->ifp)->pp_flags |= PP_KEEPALIVE;
1315			d->ifp->if_flags |= PP_CISCO;
1316		} else if (! strcmp ("fr", (char*)data) && PP_FR) {
1317			d->ifp->if_flags &= ~(PP_CISCO);
1318			IFP2SP(d->ifp)->pp_flags |= PP_FR | PP_KEEPALIVE;
1319		} else if (! strcmp ("ppp", (char*)data)) {
1320			IFP2SP(d->ifp)->pp_flags &= ~PP_FR;
1321			IFP2SP(d->ifp)->pp_flags &= ~PP_KEEPALIVE;
1322			d->ifp->if_flags &= ~(PP_CISCO);
1323		} else
1324			return EINVAL;
1325		return 0;
1326
1327	case SERIAL_GETKEEPALIVE:
1328		CE_DEBUG2 (d, ("ioctl: getkeepalive\n"));
1329		if ((IFP2SP(d->ifp)->pp_flags & PP_FR) ||
1330			(d->ifp->if_flags & PP_CISCO))
1331			return EINVAL;
1332		*(int*)data = (IFP2SP(d->ifp)->pp_flags & PP_KEEPALIVE) ? 1 : 0;
1333		return 0;
1334
1335	case SERIAL_SETKEEPALIVE:
1336		CE_DEBUG2 (d, ("ioctl: setkeepalive\n"));
1337		/* Only for superuser! */
1338#if __FreeBSD_version < 500000
1339		error = suser (p);
1340#elif __FreeBSD_version < 700000
1341		error = suser (td);
1342#else
1343		error = priv_check (td, PRIV_DRIVER);
1344#endif
1345		if (error)
1346			return error;
1347		if ((IFP2SP(d->ifp)->pp_flags & PP_FR) ||
1348			(d->ifp->if_flags & PP_CISCO))
1349			return EINVAL;
1350		s = splimp ();
1351		CE_LOCK (bd);
1352		if (*(int*)data)
1353			IFP2SP(d->ifp)->pp_flags |= PP_KEEPALIVE;
1354		else
1355			IFP2SP(d->ifp)->pp_flags &= ~PP_KEEPALIVE;
1356		CE_UNLOCK (bd);
1357		splx (s);
1358		return 0;
1359#endif /*NETGRAPH*/
1360
1361	case SERIAL_GETMODE:
1362		CE_DEBUG2 (d, ("ioctl: getmode\n"));
1363		*(int*)data = SERIAL_HDLC;
1364		return 0;
1365
1366	case SERIAL_SETMODE:
1367		/* Only for superuser! */
1368#if __FreeBSD_version < 500000
1369		error = suser (p);
1370#elif __FreeBSD_version < 700000
1371		error = suser (td);
1372#else
1373		error = priv_check (td, PRIV_DRIVER);
1374#endif
1375		if (error)
1376			return error;
1377		if (*(int*)data != SERIAL_HDLC)
1378			return EINVAL;
1379		return 0;
1380
1381	case SERIAL_GETCFG:
1382		CE_DEBUG2 (d, ("ioctl: getcfg\n"));
1383		*(char*)data = 'c';
1384		return 0;
1385
1386	case SERIAL_SETCFG:
1387		CE_DEBUG2 (d, ("ioctl: setcfg\n"));
1388#if __FreeBSD_version < 500000
1389		error = suser (p);
1390#elif __FreeBSD_version < 700000
1391		error = suser (td);
1392#else
1393		error = priv_check (td, PRIV_DRIVER);
1394#endif
1395		if (error)
1396			return error;
1397		if (*((char*)data) != 'c')
1398			return EINVAL;
1399		return 0;
1400
1401	case SERIAL_GETSTAT:
1402		CE_DEBUG2 (d, ("ioctl: getstat\n"));
1403		st = (struct serial_statistics*) data;
1404		st->rintr  = c->rintr;
1405		st->tintr  = c->tintr;
1406		st->mintr  = 0;
1407		st->ibytes = c->ibytes;
1408		st->ipkts  = c->ipkts;
1409		st->obytes = c->obytes;
1410		st->opkts  = c->opkts;
1411		st->ierrs  = c->overrun + c->frame + c->crc;
1412		st->oerrs  = c->underrun;
1413		return 0;
1414
1415	case SERIAL_GETESTAT:
1416		CE_DEBUG2 (d, ("ioctl: getestat\n"));
1417		if (c->type != T_E1)
1418			return EINVAL;
1419		opte1 = (struct e1_statistics*) data;
1420
1421		opte1->status	   = 0;
1422		if (c->status & ESTS_NOALARM)
1423			opte1->status |= E1_NOALARM;
1424		if (c->status & ESTS_LOS)
1425			opte1->status |= E1_LOS;
1426		if (c->status & ESTS_LOF)
1427			opte1->status |= E1_LOF;
1428		if (c->status & ESTS_AIS)
1429			opte1->status |= E1_AIS;
1430		if (c->status & ESTS_LOMF)
1431			opte1->status |= E1_LOMF;
1432		if (c->status & ESTS_AIS16)
1433			opte1->status |= E1_AIS16;
1434		if (c->status & ESTS_FARLOF)
1435			opte1->status |= E1_FARLOF;
1436		if (c->status & ESTS_FARLOMF)
1437			opte1->status |= E1_FARLOMF;
1438		if (c->status & ESTS_TSTREQ)
1439			opte1->status |= E1_TSTREQ;
1440		if (c->status & ESTS_TSTERR)
1441			opte1->status |= E1_TSTERR;
1442
1443		opte1->cursec	    = c->cursec;
1444		opte1->totsec	    = c->totsec + c->cursec;
1445
1446		opte1->currnt.bpv   = c->currnt.bpv;
1447		opte1->currnt.fse   = c->currnt.fse;
1448		opte1->currnt.crce  = c->currnt.crce;
1449		opte1->currnt.rcrce = c->currnt.rcrce;
1450		opte1->currnt.uas   = c->currnt.uas;
1451		opte1->currnt.les   = c->currnt.les;
1452		opte1->currnt.es    = c->currnt.es;
1453		opte1->currnt.bes   = c->currnt.bes;
1454		opte1->currnt.ses   = c->currnt.ses;
1455		opte1->currnt.oofs  = c->currnt.oofs;
1456		opte1->currnt.css   = c->currnt.css;
1457		opte1->currnt.dm    = c->currnt.dm;
1458
1459		opte1->total.bpv    = c->total.bpv   + c->currnt.bpv;
1460		opte1->total.fse    = c->total.fse   + c->currnt.fse;
1461		opte1->total.crce   = c->total.crce  + c->currnt.crce;
1462		opte1->total.rcrce  = c->total.rcrce + c->currnt.rcrce;
1463		opte1->total.uas    = c->total.uas   + c->currnt.uas;
1464		opte1->total.les    = c->total.les   + c->currnt.les;
1465		opte1->total.es	    = c->total.es    + c->currnt.es;
1466		opte1->total.bes    = c->total.bes   + c->currnt.bes;
1467		opte1->total.ses    = c->total.ses   + c->currnt.ses;
1468		opte1->total.oofs   = c->total.oofs  + c->currnt.oofs;
1469		opte1->total.css    = c->total.css   + c->currnt.css;
1470		opte1->total.dm	    = c->total.dm    + c->currnt.dm;
1471		for (s=0; s<48; ++s) {
1472			opte1->interval[s].bpv   = c->interval[s].bpv;
1473			opte1->interval[s].fse   = c->interval[s].fse;
1474			opte1->interval[s].crce  = c->interval[s].crce;
1475			opte1->interval[s].rcrce = c->interval[s].rcrce;
1476			opte1->interval[s].uas   = c->interval[s].uas;
1477			opte1->interval[s].les   = c->interval[s].les;
1478			opte1->interval[s].es	 = c->interval[s].es;
1479			opte1->interval[s].bes   = c->interval[s].bes;
1480			opte1->interval[s].ses   = c->interval[s].ses;
1481			opte1->interval[s].oofs  = c->interval[s].oofs;
1482			opte1->interval[s].css   = c->interval[s].css;
1483			opte1->interval[s].dm	 = c->interval[s].dm;
1484		}
1485		return 0;
1486
1487	case SERIAL_CLRSTAT:
1488		CE_DEBUG2 (d, ("ioctl: clrstat\n"));
1489		/* Only for superuser! */
1490#if __FreeBSD_version < 500000
1491		error = suser (p);
1492#elif __FreeBSD_version < 700000
1493		error = suser (td);
1494#else
1495		error = priv_check (td, PRIV_DRIVER);
1496#endif
1497		if (error)
1498			return error;
1499		c->rintr    = 0;
1500		c->tintr    = 0;
1501		c->ibytes   = 0;
1502		c->obytes   = 0;
1503		c->ipkts    = 0;
1504		c->opkts    = 0;
1505		c->overrun  = 0;
1506		c->frame    = 0;
1507		c->crc	    = 0;
1508		c->underrun = 0;
1509		bzero (&c->currnt, sizeof (c->currnt));
1510		bzero (&c->total, sizeof (c->total));
1511		bzero (c->interval, sizeof (c->interval));
1512		return 0;
1513
1514	case SERIAL_GETLOOP:
1515		CE_DEBUG2 (d, ("ioctl: getloop\n"));
1516		if (c->type != T_E1)
1517			return EINVAL;
1518		*(int*)data = c->lloop;
1519		return 0;
1520
1521	case SERIAL_SETLOOP:
1522		CE_DEBUG2 (d, ("ioctl: setloop\n"));
1523		if (c->type != T_E1)
1524			return EINVAL;
1525		/* Only for superuser! */
1526#if __FreeBSD_version < 500000
1527		error = suser (p);
1528#elif __FreeBSD_version < 700000
1529		error = suser (td);
1530#else
1531		error = priv_check (td, PRIV_DRIVER);
1532#endif
1533		if (error)
1534			return error;
1535		s = splimp ();
1536		CE_LOCK (bd);
1537		ce_set_lloop (c, *(int*)data);
1538		CE_UNLOCK (bd);
1539		splx (s);
1540		return 0;
1541
1542	case SERIAL_GETRLOOP:
1543		CE_DEBUG2 (d, ("ioctl: getrloop\n"));
1544		if (c->type != T_E1)
1545			return EINVAL;
1546		*(int*)data = c->rloop;
1547		return 0;
1548
1549	case SERIAL_SETRLOOP:
1550		CE_DEBUG2 (d, ("ioctl: setloop\n"));
1551		if (c->type != T_E1)
1552			return EINVAL;
1553		/* Only for superuser! */
1554#if __FreeBSD_version < 500000
1555		error = suser (p);
1556#elif __FreeBSD_version < 700000
1557		error = suser (td);
1558#else
1559		error = priv_check (td, PRIV_DRIVER);
1560#endif
1561		if (error)
1562			return error;
1563		s = splimp ();
1564		CE_LOCK (bd);
1565		ce_set_rloop (c, *(int*)data);
1566		CE_UNLOCK (bd);
1567		splx (s);
1568		return 0;
1569
1570	case SERIAL_GETDEBUG:
1571		CE_DEBUG2 (d, ("ioctl: getdebug\n"));
1572		*(int*)data = d->chan->debug;
1573		return 0;
1574
1575	case SERIAL_SETDEBUG:
1576		CE_DEBUG2 (d, ("ioctl: setdebug\n"));
1577		/* Only for superuser! */
1578#if __FreeBSD_version < 500000
1579		error = suser (p);
1580#elif __FreeBSD_version < 700000
1581		error = suser (td);
1582#else
1583		error = priv_check (td, PRIV_DRIVER);
1584#endif
1585		if (error)
1586			return error;
1587#ifndef	NETGRAPH
1588		/*
1589		 * The debug_shadow is always greater than zero for logic
1590		 * simplicity.  For switching debug off the IFF_DEBUG is
1591		 * responsible.
1592		 */
1593		d->chan->debug_shadow = (*(int*)data) ? (*(int*)data) : 1;
1594		if (d->ifp->if_flags & IFF_DEBUG)
1595			d->chan->debug = d->chan->debug_shadow;
1596#else
1597		d->chan->debug = *(int*)data;
1598#endif
1599		return 0;
1600
1601	case SERIAL_GETBAUD:
1602		CE_DEBUG2 (d, ("ioctl: getbaud\n"));
1603		*(long*)data = c->baud;
1604		return 0;
1605
1606	case SERIAL_SETBAUD:
1607		CE_DEBUG2 (d, ("ioctl: setbaud\n"));
1608		if (c->type != T_E1 || !c->unfram)
1609			return EINVAL;
1610		/* Only for superuser! */
1611#if __FreeBSD_version < 500000
1612		error = suser (p);
1613#elif __FreeBSD_version < 700000
1614		error = suser (td);
1615#else
1616		error = priv_check (td, PRIV_DRIVER);
1617#endif
1618		if (error)
1619			return error;
1620		s = splimp ();
1621		CE_LOCK (bd);
1622		ce_set_baud (c, *(long*)data);
1623		CE_UNLOCK (bd);
1624		splx (s);
1625		return 0;
1626
1627	case SERIAL_GETTIMESLOTS:
1628		CE_DEBUG2 (d, ("ioctl: gettimeslots\n"));
1629		if ((c->type != T_E1 || c->unfram) && c->type != T_DATA)
1630			return EINVAL;
1631		*(u_long*)data = c->ts;
1632		return 0;
1633
1634	case SERIAL_SETTIMESLOTS:
1635		CE_DEBUG2 (d, ("ioctl: settimeslots\n"));
1636		/* Only for superuser! */
1637#if __FreeBSD_version < 500000
1638		error = suser (p);
1639#elif __FreeBSD_version < 700000
1640		error = suser (td);
1641#else
1642		error = priv_check (td, PRIV_DRIVER);
1643#endif
1644		if (error)
1645			return error;
1646		if ((c->type != T_E1 || c->unfram) && c->type != T_DATA)
1647			return EINVAL;
1648		s = splimp ();
1649		CE_LOCK (bd);
1650		ce_set_ts (c, *(u_long*)data);
1651		CE_UNLOCK (bd);
1652		splx (s);
1653		return 0;
1654
1655	case SERIAL_GETHIGAIN:
1656		CE_DEBUG2 (d, ("ioctl: gethigain\n"));
1657		if (c->type != T_E1)
1658			return EINVAL;
1659		*(int*)data = c->higain;
1660		return 0;
1661
1662	case SERIAL_SETHIGAIN:
1663		CE_DEBUG2 (d, ("ioctl: sethigain\n"));
1664		if (c->type != T_E1)
1665			return EINVAL;
1666		/* Only for superuser! */
1667#if __FreeBSD_version < 500000
1668		error = suser (p);
1669#elif __FreeBSD_version < 700000
1670		error = suser (td);
1671#else
1672		error = priv_check (td, PRIV_DRIVER);
1673#endif
1674		if (error)
1675			return error;
1676		s = splimp ();
1677		CE_LOCK (bd);
1678		ce_set_higain (c, *(int*)data);
1679		CE_UNLOCK (bd);
1680		splx (s);
1681		return 0;
1682
1683	case SERIAL_GETPHONY:
1684		CE_DEBUG2 (d, ("ioctl: getphony\n"));
1685		*(int*)data = c->phony;
1686		return 0;
1687
1688	case SERIAL_SETPHONY:
1689		CE_DEBUG2 (d, ("ioctl: setphony\n"));
1690		/* Only for superuser! */
1691#if __FreeBSD_version < 500000
1692		error = suser (p);
1693#elif __FreeBSD_version < 700000
1694		error = suser (td);
1695#else
1696		error = priv_check (td, PRIV_DRIVER);
1697#endif
1698		if (error)
1699			return error;
1700		s = splimp ();
1701		CE_LOCK (bd);
1702		ce_set_phony (c, *(int*)data);
1703		CE_UNLOCK (bd);
1704		splx (s);
1705		return 0;
1706
1707	case SERIAL_GETUNFRAM:
1708		CE_DEBUG2 (d, ("ioctl: getunfram\n"));
1709		if (c->type != T_E1 || c->num != 0)
1710			return EINVAL;
1711		*(int*)data = c->unfram;
1712		return 0;
1713
1714	case SERIAL_SETUNFRAM:
1715		CE_DEBUG2 (d, ("ioctl: setunfram\n"));
1716		if (c->type != T_E1 || c->num != 0)
1717			return EINVAL;
1718		/* Only for superuser! */
1719#if __FreeBSD_version < 500000
1720		error = suser (p);
1721#elif __FreeBSD_version < 700000
1722		error = suser (td);
1723#else
1724		error = priv_check (td, PRIV_DRIVER);
1725#endif
1726		if (error)
1727			return error;
1728		s = splimp ();
1729		CE_LOCK (bd);
1730		ce_set_unfram (c, *(int*)data);
1731		CE_UNLOCK (bd);
1732		splx (s);
1733		return 0;
1734
1735	case SERIAL_GETSCRAMBLER:
1736		CE_DEBUG2 (d, ("ioctl: getscrambler\n"));
1737		if (!c->unfram)
1738			return EINVAL;
1739		*(int*)data = c->scrambler;
1740		return 0;
1741
1742	case SERIAL_SETSCRAMBLER:
1743		CE_DEBUG2 (d, ("ioctl: setscrambler\n"));
1744		/* Only for superuser! */
1745#if __FreeBSD_version < 500000
1746		error = suser (p);
1747#elif __FreeBSD_version < 700000
1748		error = suser (td);
1749#else
1750		error = priv_check (td, PRIV_DRIVER);
1751#endif
1752		if (error)
1753			return error;
1754		if (!c->unfram)
1755			return EINVAL;
1756		s = splimp ();
1757		CE_LOCK (bd);
1758		ce_set_scrambler (c, *(int*)data);
1759		CE_UNLOCK (bd);
1760		splx (s);
1761		return 0;
1762
1763	case SERIAL_GETMONITOR:
1764		CE_DEBUG2 (d, ("ioctl: getmonitor\n"));
1765		if (c->type != T_E1)
1766			return EINVAL;
1767		*(int*)data = c->monitor;
1768		return 0;
1769
1770	case SERIAL_SETMONITOR:
1771		CE_DEBUG2 (d, ("ioctl: setmonitor\n"));
1772		/* Only for superuser! */
1773#if __FreeBSD_version < 500000
1774		error = suser (p);
1775#elif __FreeBSD_version < 700000
1776		error = suser (td);
1777#else
1778		error = priv_check (td, PRIV_DRIVER);
1779#endif
1780		if (error)
1781			return error;
1782		if (c->type != T_E1)
1783			return EINVAL;
1784		s = splimp ();
1785		CE_LOCK (bd);
1786		ce_set_monitor (c, *(int*)data);
1787		CE_UNLOCK (bd);
1788		splx (s);
1789		return 0;
1790
1791	case SERIAL_GETUSE16:
1792		CE_DEBUG2 (d, ("ioctl: getuse16\n"));
1793		if (c->type != T_E1 || c->unfram)
1794			return EINVAL;
1795		*(int*)data = c->use16;
1796		return 0;
1797
1798	case SERIAL_SETUSE16:
1799		CE_DEBUG2 (d, ("ioctl: setuse16\n"));
1800		/* Only for superuser! */
1801#if __FreeBSD_version < 500000
1802		error = suser (p);
1803#elif __FreeBSD_version < 700000
1804		error = suser (td);
1805#else
1806		error = priv_check (td, PRIV_DRIVER);
1807#endif
1808		if (error)
1809			return error;
1810		if (c->type != T_E1)
1811			return EINVAL;
1812		s = splimp ();
1813		CE_LOCK (bd);
1814		ce_set_use16 (c, *(int*)data);
1815		CE_UNLOCK (bd);
1816		splx (s);
1817		return 0;
1818
1819	case SERIAL_GETCRC4:
1820		CE_DEBUG2 (d, ("ioctl: getcrc4\n"));
1821		if (c->type != T_E1 || c->unfram)
1822			return EINVAL;
1823		*(int*)data = c->crc4;
1824		return 0;
1825
1826	case SERIAL_SETCRC4:
1827		CE_DEBUG2 (d, ("ioctl: setcrc4\n"));
1828		/* Only for superuser! */
1829#if __FreeBSD_version < 500000
1830		error = suser (p);
1831#elif __FreeBSD_version < 700000
1832		error = suser (td);
1833#else
1834		error = priv_check (td, PRIV_DRIVER);
1835#endif
1836		if (error)
1837			return error;
1838		if (c->type != T_E1 || c->unfram)
1839			return EINVAL;
1840		s = splimp ();
1841		CE_LOCK (bd);
1842		ce_set_crc4 (c, *(int*)data);
1843		CE_UNLOCK (bd);
1844		splx (s);
1845		return 0;
1846
1847	case SERIAL_GETCLK:
1848		CE_DEBUG2 (d, ("ioctl: getclk\n"));
1849		if (c->type != T_E1)
1850			return EINVAL;
1851		switch (c->gsyn) {
1852		default:	*(int*)data = E1CLK_INTERNAL;		break;
1853		case GSYN_RCV:	*(int*)data = E1CLK_RECEIVE;		break;
1854		case GSYN_RCV0:	*(int*)data = E1CLK_RECEIVE_CHAN0;	break;
1855		case GSYN_RCV1:	*(int*)data = E1CLK_RECEIVE_CHAN1;	break;
1856		}
1857		return 0;
1858
1859	case SERIAL_SETCLK:
1860		CE_DEBUG2 (d, ("ioctl: setclk\n"));
1861		/* Only for superuser! */
1862#if __FreeBSD_version < 500000
1863		error = suser (p);
1864#elif __FreeBSD_version < 700000
1865		error = suser (td);
1866#else
1867		error = priv_check (td, PRIV_DRIVER);
1868#endif
1869		if (error)
1870			return error;
1871		if (c->type != T_E1)
1872			return EINVAL;
1873		s = splimp ();
1874		CE_LOCK (bd);
1875		switch (*(int*)data) {
1876		default:		  ce_set_gsyn (c, GSYN_INT);  break;
1877		case E1CLK_RECEIVE:	  ce_set_gsyn (c, GSYN_RCV);  break;
1878		case E1CLK_RECEIVE_CHAN0: ce_set_gsyn (c, GSYN_RCV0); break;
1879		case E1CLK_RECEIVE_CHAN1: ce_set_gsyn (c, GSYN_RCV1); break;
1880		}
1881		CE_UNLOCK (bd);
1882		splx (s);
1883		return 0;
1884
1885#if 0
1886	case SERIAL_RESET:
1887		CE_DEBUG2 (d, ("ioctl: reset\n"));
1888		/* Only for superuser! */
1889#if __FreeBSD_version < 500000
1890		error = suser (p);
1891#elif __FreeBSD_version < 700000
1892		error = suser (td);
1893#else
1894		error = priv_check (td, PRIV_DRIVER);
1895#endif
1896		if (error)
1897			return error;
1898		s = splimp ();
1899		CE_LOCK (bd);
1900/*		ce_reset (c->board, 0, 0);*/
1901		CE_UNLOCK (bd);
1902		splx (s);
1903		return 0;
1904
1905	case SERIAL_HARDRESET:
1906		CE_DEBUG2 (d, ("ioctl: hardreset\n"));
1907		/* Only for superuser! */
1908#if __FreeBSD_version < 500000
1909		error = suser (p);
1910#elif __FreeBSD_version < 700000
1911		error = suser (td);
1912#else
1913		error = priv_check (td, PRIV_DRIVER);
1914#endif
1915		if (error)
1916			return error;
1917		s = splimp ();
1918		CE_LOCK (bd);
1919		/* hard_reset (c->board); */
1920		CE_UNLOCK (bd);
1921		splx (s);
1922		return 0;
1923#endif
1924
1925	case SERIAL_GETCABLE:
1926		CE_DEBUG2 (d, ("ioctl: getcable\n"));
1927		if (c->type != T_E1)
1928			return EINVAL;
1929		s = splimp ();
1930		CE_LOCK (bd);
1931		*(int*)data = CABLE_TP;
1932		CE_UNLOCK (bd);
1933		splx (s);
1934		return 0;
1935
1936	case SERIAL_GETDIR:
1937		CE_DEBUG2 (d, ("ioctl: getdir\n"));
1938		if (c->type != T_E1 && c->type != T_DATA)
1939			return EINVAL;
1940		*(int*)data = c->dir;
1941		return 0;
1942
1943	case SERIAL_SETDIR:
1944		CE_DEBUG2 (d, ("ioctl: setdir\n"));
1945		/* Only for superuser! */
1946#if __FreeBSD_version < 500000
1947		error = suser (p);
1948#elif __FreeBSD_version < 700000
1949		error = suser (td);
1950#else
1951		error = priv_check (td, PRIV_DRIVER);
1952#endif
1953		if (error)
1954			return error;
1955		s = splimp ();
1956		CE_LOCK (bd);
1957		ce_set_dir (c, *(int*)data);
1958		CE_UNLOCK (bd);
1959		splx (s);
1960		return 0;
1961
1962	case TIOCSDTR:		/* Set DTR */
1963		s = splimp ();
1964		CE_LOCK (bd);
1965		ce_set_dtr (c, 1);
1966		CE_UNLOCK (bd);
1967		splx (s);
1968		return 0;
1969
1970	case TIOCCDTR:		/* Clear DTR */
1971		s = splimp ();
1972		CE_LOCK (bd);
1973		ce_set_dtr (c, 0);
1974		CE_UNLOCK (bd);
1975		splx (s);
1976		return 0;
1977
1978	case TIOCMSET:		/* Set DTR/RTS */
1979		s = splimp ();
1980		CE_LOCK (bd);
1981		ce_set_dtr (c, (*(int*)data & TIOCM_DTR) ? 1 : 0);
1982		ce_set_rts (c, (*(int*)data & TIOCM_RTS) ? 1 : 0);
1983		CE_UNLOCK (bd);
1984		splx (s);
1985		return 0;
1986
1987	case TIOCMBIS:		/* Add DTR/RTS */
1988		s = splimp ();
1989		CE_LOCK (bd);
1990		if (*(int*)data & TIOCM_DTR) ce_set_dtr (c, 1);
1991		if (*(int*)data & TIOCM_RTS) ce_set_rts (c, 1);
1992		CE_UNLOCK (bd);
1993		splx (s);
1994		return 0;
1995
1996	case TIOCMBIC:		/* Clear DTR/RTS */
1997		s = splimp ();
1998		CE_LOCK (bd);
1999		if (*(int*)data & TIOCM_DTR) ce_set_dtr (c, 0);
2000		if (*(int*)data & TIOCM_RTS) ce_set_rts (c, 0);
2001		CE_UNLOCK (bd);
2002		splx (s);
2003		return 0;
2004
2005	case TIOCMGET:		/* Get modem status */
2006		*(int*)data = ce_modem_status (c);
2007		return 0;
2008	}
2009	return ENOTTY;
2010}
2011
2012#ifdef NETGRAPH
2013#if __FreeBSD_version >= 500000
2014static int ng_ce_constructor (node_p node)
2015{
2016	drv_t *d = NG_NODE_PRIVATE (node);
2017#else
2018static int ng_ce_constructor (node_p *node)
2019{
2020	drv_t *d = (*node)->private;
2021#endif
2022	CE_DEBUG (d, ("Constructor\n"));
2023	return EINVAL;
2024}
2025
2026static int ng_ce_newhook (node_p node, hook_p hook, const char *name)
2027{
2028	int s;
2029#if __FreeBSD_version >= 500000
2030	drv_t *d = NG_NODE_PRIVATE (node);
2031#else
2032	drv_t *d = node->private;
2033#endif
2034	bdrv_t *bd = d->board->sys;
2035
2036	CE_DEBUG (d, ("Newhook\n"));
2037	/* Attach debug hook */
2038	if (strcmp (name, NG_CE_HOOK_DEBUG) == 0) {
2039#if __FreeBSD_version >= 500000
2040		NG_HOOK_SET_PRIVATE (hook, NULL);
2041#else
2042		hook->private = 0;
2043#endif
2044		d->debug_hook = hook;
2045		return 0;
2046	}
2047
2048	/* Check for raw hook */
2049	if (strcmp (name, NG_CE_HOOK_RAW) != 0)
2050		return EINVAL;
2051
2052#if __FreeBSD_version >= 500000
2053	NG_HOOK_SET_PRIVATE (hook, d);
2054#else
2055	hook->private = d;
2056#endif
2057	d->hook = hook;
2058	s = splimp ();
2059	CE_LOCK (bd);
2060	ce_up (d);
2061	CE_UNLOCK (bd);
2062	splx (s);
2063	return 0;
2064}
2065
2066static char *format_timeslots (u_long s)
2067{
2068	static char buf [100];
2069	char *p = buf;
2070	int i;
2071
2072	for (i=1; i<32; ++i)
2073		if ((s >> i) & 1) {
2074			int prev = (i > 1)  & (s >> (i-1));
2075			int next = (i < 31) & (s >> (i+1));
2076
2077			if (prev) {
2078				if (next)
2079					continue;
2080				*p++ = '-';
2081			} else if (p > buf)
2082				*p++ = ',';
2083
2084			if (i >= 10)
2085				*p++ = '0' + i / 10;
2086			*p++ = '0' + i % 10;
2087		}
2088	*p = 0;
2089	return buf;
2090}
2091
2092static int print_modems (char *s, ce_chan_t *c, int need_header)
2093{
2094	int status = ce_modem_status (c);
2095	int length = 0;
2096
2097	if (need_header)
2098		length += sprintf (s + length, "  LE   DTR  DSR  RTS  CTS  CD\n");
2099	length += sprintf (s + length, "%4s %4s %4s %4s %4s %4s\n",
2100		status & TIOCM_LE  ? "On" : "-",
2101		status & TIOCM_DTR ? "On" : "-",
2102		status & TIOCM_DSR ? "On" : "-",
2103		status & TIOCM_RTS ? "On" : "-",
2104		status & TIOCM_CTS ? "On" : "-",
2105		status & TIOCM_CD  ? "On" : "-");
2106	return length;
2107}
2108
2109static int print_stats (char *s, ce_chan_t *c, int need_header)
2110{
2111	int length = 0;
2112
2113	if (need_header)
2114		length += sprintf (s + length, "  Rintr   Tintr   Mintr   Ibytes   Ipkts   Ierrs   Obytes   Opkts   Oerrs\n");
2115	length += sprintf (s + length, "%7ld %7ld %7ld %8lu %7ld %7ld %8lu %7ld %7ld\n",
2116		c->rintr, c->tintr, 0l, (unsigned long) c->ibytes,
2117		c->ipkts, c->overrun + c->frame + c->crc,
2118		(unsigned long) c->obytes, c->opkts, c->underrun);
2119	return length;
2120}
2121
2122static char *format_e1_status (u_char status)
2123{
2124	static char buf [80];
2125
2126	if (status & E1_NOALARM)
2127		return "Ok";
2128	buf[0] = 0;
2129	if (status & E1_LOS)     strcat (buf, ",LOS");
2130	if (status & E1_AIS)     strcat (buf, ",AIS");
2131	if (status & E1_LOF)     strcat (buf, ",LOF");
2132	if (status & E1_LOMF)    strcat (buf, ",LOMF");
2133	if (status & E1_FARLOF)  strcat (buf, ",FARLOF");
2134	if (status & E1_AIS16)   strcat (buf, ",AIS16");
2135	if (status & E1_FARLOMF) strcat (buf, ",FARLOMF");
2136	if (status & E1_TSTREQ)  strcat (buf, ",TSTREQ");
2137	if (status & E1_TSTERR)  strcat (buf, ",TSTERR");
2138	if (buf[0] == ',')
2139		return buf+1;
2140	return "Unknown";
2141}
2142
2143static int print_frac (char *s, int leftalign, u_long numerator, u_long divider)
2144{
2145	int n, length = 0;
2146
2147	if (numerator < 1 || divider < 1) {
2148		length += sprintf (s+length, leftalign ? "/-   " : "    -");
2149		return length;
2150	}
2151	n = (int) (0.5 + 1000.0 * numerator / divider);
2152	if (n < 1000) {
2153		length += sprintf (s+length, leftalign ? "/.%-3d" : " .%03d", n);
2154		return length;
2155	}
2156	*(s + length) = leftalign ? '/' : ' ';
2157	length ++;
2158
2159	if	(n >= 1000000) n = (n+500) / 1000 * 1000;
2160	else if (n >= 100000)  n = (n+50)  / 100 * 100;
2161	else if (n >= 10000)   n = (n+5)   / 10 * 10;
2162
2163	switch (n) {
2164	case 1000:    length += printf (s+length, ".999"); return length;
2165	case 10000:   n = 9990;   break;
2166	case 100000:  n = 99900;  break;
2167	case 1000000: n = 999000; break;
2168	}
2169	if (n < 10000)	      length += sprintf (s+length, "%d.%d", n/1000, n/10%100);
2170	else if (n < 100000)  length += sprintf (s+length, "%d.%d", n/1000, n/100%10);
2171	else if (n < 1000000) length += sprintf (s+length, "%d.", n/1000);
2172	else		      length += sprintf (s+length, "%d", n/1000);
2173
2174	return length;
2175}
2176
2177static int print_e1_stats (char *s, ce_chan_t *c)
2178{
2179	struct e1_counters total;
2180	u_long totsec;
2181	int length = 0;
2182
2183	totsec		= c->totsec + c->cursec;
2184	total.bpv	= c->total.bpv   + c->currnt.bpv;
2185	total.fse	= c->total.fse   + c->currnt.fse;
2186	total.crce	= c->total.crce  + c->currnt.crce;
2187	total.rcrce	= c->total.rcrce + c->currnt.rcrce;
2188	total.uas	= c->total.uas   + c->currnt.uas;
2189	total.les	= c->total.les   + c->currnt.les;
2190	total.es	= c->total.es    + c->currnt.es;
2191	total.bes	= c->total.bes   + c->currnt.bes;
2192	total.ses	= c->total.ses   + c->currnt.ses;
2193	total.oofs	= c->total.oofs  + c->currnt.oofs;
2194	total.css	= c->total.css   + c->currnt.css;
2195	total.dm	= c->total.dm    + c->currnt.dm;
2196
2197	length += sprintf (s + length, " Unav/Degr  Bpv/Fsyn  CRC/RCRC  Err/Lerr  Sev/Bur   Oof/Slp  Status\n");
2198
2199	/* Unavailable seconds, degraded minutes */
2200	length += print_frac (s + length, 0, c->currnt.uas, c->cursec);
2201	length += print_frac (s + length, 1, 60 * c->currnt.dm, c->cursec);
2202
2203	/* Bipolar violations, frame sync errors */
2204	length += print_frac (s + length, 0, c->currnt.bpv, c->cursec);
2205	length += print_frac (s + length, 1, c->currnt.fse, c->cursec);
2206
2207	/* CRC errors, remote CRC errors (E-bit) */
2208	length += print_frac (s + length, 0, c->currnt.crce, c->cursec);
2209	length += print_frac (s + length, 1, c->currnt.rcrce, c->cursec);
2210
2211	/* Errored seconds, line errored seconds */
2212	length += print_frac (s + length, 0, c->currnt.es, c->cursec);
2213	length += print_frac (s + length, 1, c->currnt.les, c->cursec);
2214
2215	/* Severely errored seconds, burst errored seconds */
2216	length += print_frac (s + length, 0, c->currnt.ses, c->cursec);
2217	length += print_frac (s + length, 1, c->currnt.bes, c->cursec);
2218
2219	/* Out of frame seconds, controlled slip seconds */
2220	length += print_frac (s + length, 0, c->currnt.oofs, c->cursec);
2221	length += print_frac (s + length, 1, c->currnt.css, c->cursec);
2222
2223	length += sprintf (s + length, " %s\n", format_e1_status (c->status));
2224
2225	/* Print total statistics. */
2226	length += print_frac (s + length, 0, total.uas, totsec);
2227	length += print_frac (s + length, 1, 60 * total.dm, totsec);
2228
2229	length += print_frac (s + length, 0, total.bpv, totsec);
2230	length += print_frac (s + length, 1, total.fse, totsec);
2231
2232	length += print_frac (s + length, 0, total.crce, totsec);
2233	length += print_frac (s + length, 1, total.rcrce, totsec);
2234
2235	length += print_frac (s + length, 0, total.es, totsec);
2236	length += print_frac (s + length, 1, total.les, totsec);
2237
2238	length += print_frac (s + length, 0, total.ses, totsec);
2239	length += print_frac (s + length, 1, total.bes, totsec);
2240
2241	length += print_frac (s + length, 0, total.oofs, totsec);
2242	length += print_frac (s + length, 1, total.css, totsec);
2243
2244	length += sprintf (s + length, " -- Total\n");
2245	return length;
2246}
2247
2248static int print_chan (char *s, ce_chan_t *c)
2249{
2250	drv_t *d = c->sys;
2251	int length = 0;
2252
2253	length += sprintf (s + length, "ce%d", c->board->num * NCHAN + c->num);
2254	if (d->chan->debug)
2255		length += sprintf (s + length, " debug=%d", d->chan->debug);
2256
2257	if (c->board->mux) {
2258		length += sprintf (s + length, " cfg=C");
2259	} else {
2260		length += sprintf (s + length, " cfg=A");
2261	}
2262
2263	if (c->baud)
2264		length += sprintf (s + length, " %ld", c->baud);
2265	else
2266		length += sprintf (s + length, " extclock");
2267
2268	if (c->type == T_E1)
2269		switch (c->gsyn) {
2270		case GSYN_INT   : length += sprintf (s + length, " syn=int");     break;
2271		case GSYN_RCV   : length += sprintf (s + length, " syn=rcv");     break;
2272		case GSYN_RCV0  : length += sprintf (s + length, " syn=rcv0");    break;
2273		case GSYN_RCV1  : length += sprintf (s + length, " syn=rcv1");    break;
2274		}
2275	if (c->type == T_E1)
2276		length += sprintf (s + length, " higain=%s", c->higain ? "on" : "off");
2277
2278	length += sprintf (s + length, " loop=%s", c->lloop ? "on" : "off");
2279
2280	if (c->type == T_E1)
2281		length += sprintf (s + length, " ts=%s", format_timeslots (c->ts));
2282	length += sprintf (s + length, "\n");
2283	return length;
2284}
2285
2286#if __FreeBSD_version >= 500000
2287static int ng_ce_rcvmsg (node_p node, item_p item, hook_p lasthook)
2288{
2289	drv_t *d = NG_NODE_PRIVATE (node);
2290	struct ng_mesg *msg;
2291#else
2292static int ng_ce_rcvmsg (node_p node, struct ng_mesg *msg,
2293	const char *retaddr, struct ng_mesg **rptr)
2294{
2295	drv_t *d = node->private;
2296#endif
2297	struct ng_mesg *resp = NULL;
2298	int error = 0;
2299
2300	CE_DEBUG (d, ("Rcvmsg\n"));
2301#if __FreeBSD_version >= 500000
2302	NGI_GET_MSG (item, msg);
2303#endif
2304	switch (msg->header.typecookie) {
2305	default:
2306		error = EINVAL;
2307		break;
2308
2309	case NGM_CE_COOKIE:
2310		printf ("Not implemented yet\n");
2311		error = EINVAL;
2312		break;
2313
2314	case NGM_GENERIC_COOKIE:
2315		switch (msg->header.cmd) {
2316		default:
2317			error = EINVAL;
2318			break;
2319
2320		case NGM_TEXT_STATUS: {
2321			char *s;
2322			int l = 0;
2323			int dl = sizeof (struct ng_mesg) + 730;
2324
2325#if __FreeBSD_version >= 500000
2326			NG_MKRESPONSE (resp, msg, dl, M_NOWAIT);
2327			if (! resp) {
2328				error = ENOMEM;
2329				break;
2330			}
2331#else
2332			resp = malloc (M_NETGRAPH, M_NOWAIT);
2333			if (! resp) {
2334				error = ENOMEM;
2335				break;
2336			}
2337			bzero (resp, dl);
2338#endif
2339			s = (resp)->data;
2340			if (d) {
2341			l += print_chan (s + l, d->chan);
2342			l += print_stats (s + l, d->chan, 1);
2343			l += print_modems (s + l, d->chan, 1);
2344			l += print_e1_stats (s + l, d->chan);
2345			} else
2346				l += sprintf (s + l, "Error: node not connect to channel");
2347#if __FreeBSD_version < 500000
2348			(resp)->header.version = NG_VERSION;
2349			(resp)->header.arglen = strlen (s) + 1;
2350			(resp)->header.token = msg->header.token;
2351			(resp)->header.typecookie = NGM_CE_COOKIE;
2352			(resp)->header.cmd = msg->header.cmd;
2353#endif
2354			strncpy ((resp)->header.cmdstr, "status", NG_CMDSTRSIZ);
2355			}
2356			break;
2357		}
2358		break;
2359	}
2360#if __FreeBSD_version >= 500000
2361	NG_RESPOND_MSG (error, node, item, resp);
2362	NG_FREE_MSG (msg);
2363#else
2364	*rptr = resp;
2365	free (msg, M_NETGRAPH);
2366#endif
2367	return error;
2368}
2369
2370#if __FreeBSD_version >= 500000
2371static int ng_ce_rcvdata (hook_p hook, item_p item)
2372{
2373	drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE(hook));
2374	struct mbuf *m;
2375#if __FreeBSD_version < 502120
2376	meta_p meta;
2377#else
2378	struct ng_tag_prio *ptag;
2379#endif
2380#else
2381static int ng_ce_rcvdata (hook_p hook, struct mbuf *m, meta_p meta)
2382{
2383	drv_t *d = hook->node->private;
2384#endif
2385	bdrv_t *bd = d->board->sys;
2386	struct ifqueue *q;
2387	int s;
2388
2389	CE_DEBUG2 (d, ("Rcvdata\n"));
2390#if __FreeBSD_version >= 500000
2391	NGI_GET_M (item, m);
2392#if __FreeBSD_version < 502120
2393	NGI_GET_META (item, meta);
2394#endif
2395	NG_FREE_ITEM (item);
2396	if (! NG_HOOK_PRIVATE (hook) || ! d) {
2397		NG_FREE_M (m);
2398#if __FreeBSD_version < 502120
2399		NG_FREE_META (meta);
2400#endif
2401#else
2402	if (! hook->private || ! d) {
2403		NG_FREE_DATA (m,meta);
2404#endif
2405		return ENETDOWN;
2406	}
2407
2408#if __FreeBSD_version >= 502120
2409	/* Check for high priority data */
2410	if ((ptag = (struct ng_tag_prio *)m_tag_locate(m, NGM_GENERIC_COOKIE,
2411	    NG_TAG_PRIO, NULL)) != NULL && (ptag->priority > NG_PRIO_CUTOFF) )
2412		q = &d->hi_queue;
2413	else
2414		q = &d->queue;
2415#else
2416	q = (meta && meta->priority > 0) ? &d->hi_queue : &d->queue;
2417#endif
2418
2419	s = splimp ();
2420	CE_LOCK (bd);
2421#if __FreeBSD_version >= 500000
2422	IF_LOCK (q);
2423	if (_IF_QFULL (q)) {
2424		_IF_DROP (q);
2425		IF_UNLOCK (q);
2426		CE_UNLOCK (bd);
2427		splx (s);
2428		NG_FREE_M (m);
2429#if __FreeBSD_version < 502120
2430		NG_FREE_META (meta);
2431#endif
2432		return ENOBUFS;
2433	}
2434	_IF_ENQUEUE (q, m);
2435	IF_UNLOCK (q);
2436#else
2437	if (IF_QFULL (q)) {
2438		IF_DROP (q);
2439		CE_UNLOCK (bd);
2440		splx (s);
2441		NG_FREE_DATA (m, meta);
2442		return ENOBUFS;
2443	}
2444	IF_ENQUEUE (q, m);
2445#endif
2446	ce_start (d);
2447	CE_UNLOCK (bd);
2448	splx (s);
2449	return 0;
2450}
2451
2452static int ng_ce_rmnode (node_p node)
2453{
2454#if __FreeBSD_version >= 500000
2455	drv_t *d = NG_NODE_PRIVATE (node);
2456
2457	CE_DEBUG (d, ("Rmnode\n"));
2458	if (d && d->running) {
2459		bdrv_t *bd = d->board->sys;
2460		int s = splimp ();
2461		CE_LOCK (bd);
2462		ce_down (d);
2463		CE_UNLOCK (bd);
2464		splx (s);
2465	}
2466#ifdef	KLD_MODULE
2467#if __FreeBSD_version >= 502120
2468	if (node->nd_flags & NGF_REALLY_DIE) {
2469#else
2470	if (node->nd_flags & NG_REALLY_DIE) {
2471#endif
2472		NG_NODE_SET_PRIVATE (node, NULL);
2473		NG_NODE_UNREF (node);
2474	}
2475#if __FreeBSD_version >= 502120
2476	NG_NODE_REVIVE(node);		/* Persistant node */
2477#else
2478	node->nd_flags &= ~NG_INVALID;
2479#endif
2480#endif
2481#else /* __FreeBSD_version < 500000 */
2482	drv_t *d = node->private;
2483
2484	if (d && d->running) {
2485		bdrv_t *bd = d->board->sys;
2486		int s = splimp ();
2487		CE_LOCK (bd);
2488		ce_down (d);
2489		CE_UNLOCK (bd);
2490		splx (s);
2491	}
2492
2493	node->flags |= NG_INVALID;
2494	ng_cutlinks (node);
2495#ifdef	KLD_MODULE
2496	ng_unname (node);
2497	ng_unref (node);
2498#endif
2499#endif
2500	return 0;
2501}
2502
2503static int ng_ce_connect (hook_p hook)
2504{
2505#if __FreeBSD_version >= 500000
2506	drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE (hook));
2507#else
2508	drv_t *d = hook->node->private;
2509#endif
2510
2511	if (d) {
2512		CE_DEBUG (d, ("Connect\n"));
2513		callout_reset (&d->timeout_handle, hz, ce_watchdog_timer, d);
2514	}
2515
2516	return 0;
2517}
2518
2519static int ng_ce_disconnect (hook_p hook)
2520{
2521#if __FreeBSD_version >= 500000
2522	drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE (hook));
2523#else
2524	drv_t *d = hook->node->private;
2525#endif
2526
2527	if (d) {
2528		CE_DEBUG (d, ("Disconnect\n"));
2529#if __FreeBSD_version >= 500000
2530		if (NG_HOOK_PRIVATE (hook))
2531#else
2532		if (hook->private)
2533#endif
2534		{
2535			bdrv_t *bd = d->board->sys;
2536			int s = splimp ();
2537			CE_LOCK (bd);
2538			ce_down (d);
2539			CE_UNLOCK (bd);
2540			splx (s);
2541		}
2542		/* If we were wait it than it reasserted now, just stop it. */
2543		if (!callout_drain (&d->timeout_handle))
2544			callout_stop (&d->timeout_handle);
2545	}
2546	return 0;
2547}
2548#endif
2549
2550static int ce_modevent (module_t mod, int type, void *unused)
2551{
2552#if __FreeBSD_version < 500000
2553	dev_t dev;
2554	struct cdevsw *cdsw;
2555#endif
2556	static int load_count = 0;
2557
2558#if __FreeBSD_version < 500000
2559	dev = makedev (CDEV_MAJOR, 0);
2560#endif
2561
2562	switch (type) {
2563	case MOD_LOAD:
2564#if __FreeBSD_version < 500000
2565		if (dev != NODEV &&
2566		    (cdsw = devsw (dev)) &&
2567		    cdsw->d_maj == CDEV_MAJOR) {
2568			printf ("Tau32-PCI driver is already in system\n");
2569			return (ENXIO);
2570		}
2571#endif
2572#if __FreeBSD_version >= 500000 && defined NETGRAPH
2573		if (ng_newtype (&typestruct))
2574			printf ("Failed to register ng_ce\n");
2575#endif
2576		++load_count;
2577#if __FreeBSD_version <= 500000
2578		cdevsw_add (&ce_cdevsw);
2579#endif
2580#if __FreeBSD_version >= 500000
2581		callout_init (&timeout_handle, CALLOUT_MPSAFE);
2582#else
2583		callout_init (&timeout_handle);
2584#endif
2585		callout_reset (&timeout_handle, hz*5, ce_timeout, 0);
2586		break;
2587	case MOD_UNLOAD:
2588		if (load_count == 1) {
2589			printf ("Removing device entry for Tau32-PCI\n");
2590#if __FreeBSD_version <= 500000
2591			cdevsw_remove (&ce_cdevsw);
2592#endif
2593#if __FreeBSD_version >= 500000 && defined NETGRAPH
2594			ng_rmtype (&typestruct);
2595#endif
2596		}
2597		/* If we were wait it than it reasserted now, just stop it.
2598		 * Actually we shouldn't get this condition. But code could be
2599		 * changed in the future, so just be a litle paranoid.
2600		 */
2601		if (!callout_drain (&timeout_handle))
2602			callout_stop (&timeout_handle);
2603		--load_count;
2604		break;
2605	case MOD_SHUTDOWN:
2606		break;
2607	}
2608	return 0;
2609}
2610
2611#ifdef NETGRAPH
2612#if __FreeBSD_version >= 502100
2613static struct ng_type typestruct = {
2614	.version	= NG_ABI_VERSION,
2615	.name		= NG_CE_NODE_TYPE,
2616	.constructor	= ng_ce_constructor,
2617	.rcvmsg		= ng_ce_rcvmsg,
2618	.shutdown	= ng_ce_rmnode,
2619	.newhook	= ng_ce_newhook,
2620	.connect	= ng_ce_connect,
2621	.rcvdata	= ng_ce_rcvdata,
2622	.disconnect	= ng_ce_disconnect,
2623};
2624#else /* __FreeBSD_version < 502100 */
2625static struct ng_type typestruct = {
2626#if __FreeBSD_version >= 500000
2627	NG_ABI_VERSION,
2628#else
2629	NG_VERSION,
2630#endif
2631	NG_CE_NODE_TYPE,
2632	ce_modevent,
2633	ng_ce_constructor,
2634	ng_ce_rcvmsg,
2635	ng_ce_rmnode,
2636	ng_ce_newhook,
2637	NULL,
2638	ng_ce_connect,
2639	ng_ce_rcvdata,
2640#if __FreeBSD_version < 500000
2641	NULL,
2642#endif
2643	ng_ce_disconnect,
2644	NULL
2645};
2646#endif /* __FreeBSD_version < 502100 */
2647
2648#endif /*NETGRAPH*/
2649
2650#if __FreeBSD_version >= 500000
2651#ifdef NETGRAPH
2652MODULE_DEPEND (ng_ce, netgraph, NG_ABI_VERSION, NG_ABI_VERSION, NG_ABI_VERSION);
2653#else
2654MODULE_DEPEND (ce, sppp, 1, 1, 1);
2655#endif
2656#ifdef KLD_MODULE
2657DRIVER_MODULE (cemod, pci, ce_driver, ce_devclass, ce_modevent, NULL);
2658#else
2659DRIVER_MODULE (ce, pci, ce_driver, ce_devclass, ce_modevent, NULL);
2660#endif
2661#else /* if __FreeBSD_version < 500000*/
2662#ifdef NETGRAPH
2663DRIVER_MODULE (ce, pci, ce_driver, ce_devclass, ng_mod_event, &typestruct);
2664#else
2665DRIVER_MODULE (ce, pci, ce_driver, ce_devclass, ce_modevent, NULL);
2666#endif
2667#endif /* __FreeBSD_version < 500000 */
2668#endif /* NPCI */
2669