arswitch.c revision 256582
1/*-
2 * Copyright (c) 2011-2012 Stefan Bethke.
3 * Copyright (c) 2012 Adrian Chadd.
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 *
27 * $FreeBSD: head/sys/dev/etherswitch/arswitch/arswitch.c 256582 2013-10-16 04:15:03Z adrian $
28 */
29
30#include <sys/param.h>
31#include <sys/bus.h>
32#include <sys/errno.h>
33#include <sys/kernel.h>
34#include <sys/module.h>
35#include <sys/socket.h>
36#include <sys/sockio.h>
37#include <sys/sysctl.h>
38#include <sys/systm.h>
39
40#include <net/if.h>
41#include <net/if_arp.h>
42#include <net/ethernet.h>
43#include <net/if_dl.h>
44#include <net/if_media.h>
45#include <net/if_types.h>
46
47#include <machine/bus.h>
48#include <dev/iicbus/iic.h>
49#include <dev/iicbus/iiconf.h>
50#include <dev/iicbus/iicbus.h>
51#include <dev/mii/mii.h>
52#include <dev/mii/miivar.h>
53#include <dev/etherswitch/mdio.h>
54
55#include <dev/etherswitch/etherswitch.h>
56
57#include <dev/etherswitch/arswitch/arswitchreg.h>
58#include <dev/etherswitch/arswitch/arswitchvar.h>
59#include <dev/etherswitch/arswitch/arswitch_reg.h>
60#include <dev/etherswitch/arswitch/arswitch_phy.h>
61#include <dev/etherswitch/arswitch/arswitch_vlans.h>
62
63#include <dev/etherswitch/arswitch/arswitch_7240.h>
64#include <dev/etherswitch/arswitch/arswitch_8216.h>
65#include <dev/etherswitch/arswitch/arswitch_8226.h>
66#include <dev/etherswitch/arswitch/arswitch_8316.h>
67#include <dev/etherswitch/arswitch/arswitch_9340.h>
68
69#include "mdio_if.h"
70#include "miibus_if.h"
71#include "etherswitch_if.h"
72
73#if	defined(DEBUG)
74static SYSCTL_NODE(_debug, OID_AUTO, arswitch, CTLFLAG_RD, 0, "arswitch");
75#endif
76
77static inline int arswitch_portforphy(int phy);
78static void arswitch_tick(void *arg);
79static int arswitch_ifmedia_upd(struct ifnet *);
80static void arswitch_ifmedia_sts(struct ifnet *, struct ifmediareq *);
81
82static int
83arswitch_probe(device_t dev)
84{
85	struct arswitch_softc *sc;
86	uint32_t id;
87	char *chipname, desc[256];
88
89	sc = device_get_softc(dev);
90	bzero(sc, sizeof(*sc));
91	sc->page = -1;
92
93	/* AR7240 probe */
94	if (ar7240_probe(dev) == 0) {
95		chipname = "AR7240";
96		sc->sc_switchtype = AR8X16_SWITCH_AR7240;
97		sc->is_internal_switch = 1;
98		id = 0;
99		goto done;
100	}
101
102	/* AR9340 probe */
103	if (ar9340_probe(dev) == 0) {
104		chipname = "AR9340";
105		sc->sc_switchtype = AR8X16_SWITCH_AR9340;
106		sc->is_internal_switch = 1;
107		id = 0;
108		goto done;
109	}
110
111	/* AR8xxx probe */
112	id = arswitch_readreg(dev, AR8X16_REG_MASK_CTRL);
113	switch (id & (AR8X16_MASK_CTRL_VER_MASK | AR8X16_MASK_CTRL_REV_MASK)) {
114	case 0x0101:
115		chipname = "AR8216";
116		sc->sc_switchtype = AR8X16_SWITCH_AR8216;
117		break;
118	case 0x0201:
119		chipname = "AR8226";
120		sc->sc_switchtype = AR8X16_SWITCH_AR8226;
121		break;
122	/* 0x0301 - AR8236 */
123	case 0x1000:
124	case 0x1001:
125		chipname = "AR8316";
126		sc->sc_switchtype = AR8X16_SWITCH_AR8316;
127		break;
128	default:
129		chipname = NULL;
130	}
131
132done:
133
134	DPRINTF(dev, "chipname=%s, id=%08x\n", chipname, id);
135	if (chipname != NULL) {
136		snprintf(desc, sizeof(desc),
137		    "Atheros %s Ethernet Switch",
138		    chipname);
139		device_set_desc_copy(dev, desc);
140		return (BUS_PROBE_DEFAULT);
141	}
142	return (ENXIO);
143}
144
145static int
146arswitch_attach_phys(struct arswitch_softc *sc)
147{
148	int phy, err = 0;
149	char name[IFNAMSIZ];
150
151	/* PHYs need an interface, so we generate a dummy one */
152	snprintf(name, IFNAMSIZ, "%sport", device_get_nameunit(sc->sc_dev));
153	for (phy = 0; phy < sc->numphys; phy++) {
154		sc->ifp[phy] = if_alloc(IFT_ETHER);
155		sc->ifp[phy]->if_softc = sc;
156		sc->ifp[phy]->if_flags |= IFF_UP | IFF_BROADCAST |
157		    IFF_DRV_RUNNING | IFF_SIMPLEX;
158		sc->ifname[phy] = malloc(strlen(name)+1, M_DEVBUF, M_WAITOK);
159		bcopy(name, sc->ifname[phy], strlen(name)+1);
160		if_initname(sc->ifp[phy], sc->ifname[phy],
161		    arswitch_portforphy(phy));
162		err = mii_attach(sc->sc_dev, &sc->miibus[phy], sc->ifp[phy],
163		    arswitch_ifmedia_upd, arswitch_ifmedia_sts, \
164		    BMSR_DEFCAPMASK, phy, MII_OFFSET_ANY, 0);
165		DPRINTF(sc->sc_dev, "%s attached to pseudo interface %s\n",
166		    device_get_nameunit(sc->miibus[phy]),
167		    sc->ifp[phy]->if_xname);
168		if (err != 0) {
169			device_printf(sc->sc_dev,
170			    "attaching PHY %d failed\n",
171			    phy);
172		}
173	}
174	return (err);
175}
176
177static int
178arswitch_reset(device_t dev)
179{
180
181	arswitch_writereg(dev, AR8X16_REG_MASK_CTRL,
182	    AR8X16_MASK_CTRL_SOFT_RESET);
183	DELAY(1000);
184	if (arswitch_readreg(dev, AR8X16_REG_MASK_CTRL) &
185	    AR8X16_MASK_CTRL_SOFT_RESET) {
186		device_printf(dev, "unable to reset switch\n");
187		return (-1);
188	}
189	return (0);
190}
191
192static int
193arswitch_set_vlan_mode(struct arswitch_softc *sc, uint32_t mode)
194{
195
196	/* Check for invalid modes. */
197	if ((mode & sc->info.es_vlan_caps) != mode)
198		return (EINVAL);
199
200	switch (mode) {
201	case ETHERSWITCH_VLAN_DOT1Q:
202		sc->vlan_mode = ETHERSWITCH_VLAN_DOT1Q;
203		break;
204	case ETHERSWITCH_VLAN_PORT:
205		sc->vlan_mode = ETHERSWITCH_VLAN_PORT;
206		break;
207	default:
208		sc->vlan_mode = 0;
209	};
210
211	/* Reset VLANs. */
212	arswitch_reset_vlans(sc);
213
214	return (0);
215}
216
217static void
218arswitch_ports_init(struct arswitch_softc *sc)
219{
220	int port;
221
222	/* Port0 - CPU */
223	arswitch_writereg(sc->sc_dev, AR8X16_REG_PORT_STS(0),
224	    (AR8X16_IS_SWITCH(sc, AR8216) ?
225	    AR8X16_PORT_STS_SPEED_100 : AR8X16_PORT_STS_SPEED_1000) |
226	    (AR8X16_IS_SWITCH(sc, AR8216) ? 0 : AR8X16_PORT_STS_RXFLOW) |
227	    (AR8X16_IS_SWITCH(sc, AR8216) ? 0 : AR8X16_PORT_STS_TXFLOW) |
228	    AR8X16_PORT_STS_RXMAC |
229	    AR8X16_PORT_STS_TXMAC |
230	    AR8X16_PORT_STS_DUPLEX);
231	arswitch_writereg(sc->sc_dev, AR8X16_REG_PORT_CTRL(0),
232	    arswitch_readreg(sc->sc_dev, AR8X16_REG_PORT_CTRL(0)) &
233	    ~AR8X16_PORT_CTRL_HEADER);
234
235	for (port = 1; port <= sc->numphys; port++) {
236		/* Set ports to auto negotiation. */
237		arswitch_writereg(sc->sc_dev, AR8X16_REG_PORT_STS(port),
238		    AR8X16_PORT_STS_LINK_AUTO);
239		arswitch_writereg(sc->sc_dev, AR8X16_REG_PORT_CTRL(port),
240		    arswitch_readreg(sc->sc_dev, AR8X16_REG_PORT_CTRL(port)) &
241		    ~AR8X16_PORT_CTRL_HEADER);
242	}
243}
244
245static int
246arswitch_attach(device_t dev)
247{
248	struct arswitch_softc *sc;
249	int err = 0;
250
251	sc = device_get_softc(dev);
252
253	/* sc->sc_switchtype is already decided in arswitch_probe() */
254	sc->sc_dev = dev;
255	mtx_init(&sc->sc_mtx, "arswitch", NULL, MTX_DEF);
256	sc->page = -1;
257	strlcpy(sc->info.es_name, device_get_desc(dev),
258	    sizeof(sc->info.es_name));
259
260	/*
261	 * Attach switch related functions
262	 */
263	if (AR8X16_IS_SWITCH(sc, AR7240))
264		ar7240_attach(sc);
265	else if (AR8X16_IS_SWITCH(sc, AR9340))
266		ar9340_attach(sc);
267	else if (AR8X16_IS_SWITCH(sc, AR8216))
268		ar8216_attach(sc);
269	else if (AR8X16_IS_SWITCH(sc, AR8226))
270		ar8226_attach(sc);
271	else if (AR8X16_IS_SWITCH(sc, AR8316))
272		ar8316_attach(sc);
273	else
274		return (ENXIO);
275
276	/* Common defaults. */
277	sc->info.es_nports = 5; /* XXX technically 6, but 6th not used */
278
279	/* XXX Defaults for externally connected AR8316 */
280	sc->numphys = 4;
281	sc->phy4cpu = 1;
282	sc->is_rgmii = 1;
283	sc->is_gmii = 0;
284	sc->is_mii = 0;
285
286	(void) resource_int_value(device_get_name(dev), device_get_unit(dev),
287	    "numphys", &sc->numphys);
288	(void) resource_int_value(device_get_name(dev), device_get_unit(dev),
289	    "phy4cpu", &sc->phy4cpu);
290	(void) resource_int_value(device_get_name(dev), device_get_unit(dev),
291	    "is_rgmii", &sc->is_rgmii);
292	(void) resource_int_value(device_get_name(dev), device_get_unit(dev),
293	    "is_gmii", &sc->is_gmii);
294	(void) resource_int_value(device_get_name(dev), device_get_unit(dev),
295	    "is_mii", &sc->is_mii);
296
297	if (sc->numphys > AR8X16_NUM_PHYS)
298		sc->numphys = AR8X16_NUM_PHYS;
299
300	/* Reset the switch. */
301	if (arswitch_reset(dev))
302		return (ENXIO);
303
304	err = sc->hal.arswitch_hw_setup(sc);
305	if (err != 0)
306		return (err);
307
308	err = sc->hal.arswitch_hw_global_setup(sc);
309	if (err != 0)
310		return (err);
311
312	/* Initialize the switch ports. */
313	arswitch_ports_init(sc);
314
315	/*
316	 * Attach the PHYs and complete the bus enumeration.
317	 */
318	err = arswitch_attach_phys(sc);
319	if (err != 0)
320		return (err);
321
322	/* Default to ingress filters off. */
323	err = arswitch_set_vlan_mode(sc, 0);
324	if (err != 0)
325		return (err);
326
327	bus_generic_probe(dev);
328	bus_enumerate_hinted_children(dev);
329	err = bus_generic_attach(dev);
330	if (err != 0)
331		return (err);
332
333	callout_init_mtx(&sc->callout_tick, &sc->sc_mtx, 0);
334
335	ARSWITCH_LOCK(sc);
336	arswitch_tick(sc);
337	ARSWITCH_UNLOCK(sc);
338
339	return (err);
340}
341
342static int
343arswitch_detach(device_t dev)
344{
345	struct arswitch_softc *sc = device_get_softc(dev);
346	int i;
347
348	callout_drain(&sc->callout_tick);
349
350	for (i=0; i < sc->numphys; i++) {
351		if (sc->miibus[i] != NULL)
352			device_delete_child(dev, sc->miibus[i]);
353		if (sc->ifp[i] != NULL)
354			if_free(sc->ifp[i]);
355		free(sc->ifname[i], M_DEVBUF);
356	}
357
358	bus_generic_detach(dev);
359	mtx_destroy(&sc->sc_mtx);
360
361	return (0);
362}
363
364/*
365 * Convert PHY number to port number. PHY0 is connected to port 1, PHY1 to
366 * port 2, etc.
367 */
368static inline int
369arswitch_portforphy(int phy)
370{
371	return (phy+1);
372}
373
374static inline struct mii_data *
375arswitch_miiforport(struct arswitch_softc *sc, int port)
376{
377	int phy = port-1;
378
379	if (phy < 0 || phy >= sc->numphys)
380		return (NULL);
381	return (device_get_softc(sc->miibus[phy]));
382}
383
384static inline struct ifnet *
385arswitch_ifpforport(struct arswitch_softc *sc, int port)
386{
387	int phy = port-1;
388
389	if (phy < 0 || phy >= sc->numphys)
390		return (NULL);
391	return (sc->ifp[phy]);
392}
393
394/*
395 * Convert port status to ifmedia.
396 */
397static void
398arswitch_update_ifmedia(int portstatus, u_int *media_status, u_int *media_active)
399{
400	*media_active = IFM_ETHER;
401	*media_status = IFM_AVALID;
402
403	if ((portstatus & AR8X16_PORT_STS_LINK_UP) != 0)
404		*media_status |= IFM_ACTIVE;
405	else {
406		*media_active |= IFM_NONE;
407		return;
408	}
409	switch (portstatus & AR8X16_PORT_STS_SPEED_MASK) {
410	case AR8X16_PORT_STS_SPEED_10:
411		*media_active |= IFM_10_T;
412		break;
413	case AR8X16_PORT_STS_SPEED_100:
414		*media_active |= IFM_100_TX;
415		break;
416	case AR8X16_PORT_STS_SPEED_1000:
417		*media_active |= IFM_1000_T;
418		break;
419	}
420	if ((portstatus & AR8X16_PORT_STS_DUPLEX) == 0)
421		*media_active |= IFM_FDX;
422	else
423		*media_active |= IFM_HDX;
424	if ((portstatus & AR8X16_PORT_STS_TXFLOW) != 0)
425		*media_active |= IFM_ETH_TXPAUSE;
426	if ((portstatus & AR8X16_PORT_STS_RXFLOW) != 0)
427		*media_active |= IFM_ETH_RXPAUSE;
428}
429
430/*
431 * Poll the status for all PHYs.  We're using the switch port status because
432 * thats a lot quicker to read than talking to all the PHYs.  Care must be
433 * taken that the resulting ifmedia_active is identical to what the PHY will
434 * compute, or gratuitous link status changes will occur whenever the PHYs
435 * update function is called.
436 */
437static void
438arswitch_miipollstat(struct arswitch_softc *sc)
439{
440	int i;
441	struct mii_data *mii;
442	struct mii_softc *miisc;
443	int portstatus;
444
445	ARSWITCH_LOCK_ASSERT(sc, MA_OWNED);
446
447	for (i = 0; i < sc->numphys; i++) {
448		if (sc->miibus[i] == NULL)
449			continue;
450		mii = device_get_softc(sc->miibus[i]);
451		portstatus = arswitch_readreg(sc->sc_dev,
452		    AR8X16_REG_PORT_STS(arswitch_portforphy(i)));
453#if 0
454		DPRINTF(sc->sc_dev, "p[%d]=%b\n",
455		    i,
456		    portstatus,
457		    "\20\3TXMAC\4RXMAC\5TXFLOW\6RXFLOW\7"
458		    "DUPLEX\11LINK_UP\12LINK_AUTO\13LINK_PAUSE");
459#endif
460		arswitch_update_ifmedia(portstatus, &mii->mii_media_status,
461		    &mii->mii_media_active);
462		LIST_FOREACH(miisc, &mii->mii_phys, mii_list) {
463			if (IFM_INST(mii->mii_media.ifm_cur->ifm_media) !=
464			    miisc->mii_inst)
465				continue;
466			mii_phy_update(miisc, MII_POLLSTAT);
467		}
468	}
469}
470
471static void
472arswitch_tick(void *arg)
473{
474	struct arswitch_softc *sc = arg;
475
476	arswitch_miipollstat(sc);
477	callout_reset(&sc->callout_tick, hz, arswitch_tick, sc);
478}
479
480static void
481arswitch_lock(device_t dev)
482{
483	struct arswitch_softc *sc = device_get_softc(dev);
484
485	ARSWITCH_LOCK_ASSERT(sc, MA_NOTOWNED);
486	ARSWITCH_LOCK(sc);
487}
488
489static void
490arswitch_unlock(device_t dev)
491{
492	struct arswitch_softc *sc = device_get_softc(dev);
493
494	ARSWITCH_LOCK_ASSERT(sc, MA_OWNED);
495	ARSWITCH_UNLOCK(sc);
496}
497
498static etherswitch_info_t *
499arswitch_getinfo(device_t dev)
500{
501	struct arswitch_softc *sc = device_get_softc(dev);
502
503	return (&sc->info);
504}
505
506static int
507arswitch_getport(device_t dev, etherswitch_port_t *p)
508{
509	struct arswitch_softc *sc;
510	struct ifmediareq *ifmr;
511	struct mii_data *mii;
512	uint32_t reg;
513	int err;
514
515	sc = device_get_softc(dev);
516	if (p->es_port < 0 || p->es_port > sc->numphys)
517		return (ENXIO);
518
519	ARSWITCH_LOCK(sc);
520
521	/* Retrieve the PVID. */
522	arswitch_get_pvid(sc, p->es_port, &p->es_pvid);
523
524	/* Port flags. */
525	reg = arswitch_readreg(sc->sc_dev, AR8X16_REG_PORT_CTRL(p->es_port));
526	if (reg & AR8X16_PORT_CTRL_DOUBLE_TAG)
527		p->es_flags |= ETHERSWITCH_PORT_DOUBLE_TAG;
528	reg >>= AR8X16_PORT_CTRL_EGRESS_VLAN_MODE_SHIFT;
529	if ((reg & 0x3) == AR8X16_PORT_CTRL_EGRESS_VLAN_MODE_ADD)
530		p->es_flags |= ETHERSWITCH_PORT_ADDTAG;
531	if ((reg & 0x3) == AR8X16_PORT_CTRL_EGRESS_VLAN_MODE_STRIP)
532		p->es_flags |= ETHERSWITCH_PORT_STRIPTAG;
533	ARSWITCH_UNLOCK(sc);
534
535	mii = arswitch_miiforport(sc, p->es_port);
536	if (p->es_port == 0) {
537		/* fill in fixed values for CPU port */
538		p->es_flags |= ETHERSWITCH_PORT_CPU;
539		ifmr = &p->es_ifmr;
540		ifmr->ifm_count = 0;
541		ifmr->ifm_current = ifmr->ifm_active =
542		    IFM_ETHER | IFM_1000_T | IFM_FDX;
543		ifmr->ifm_mask = 0;
544		ifmr->ifm_status = IFM_ACTIVE | IFM_AVALID;
545	} else if (mii != NULL) {
546		err = ifmedia_ioctl(mii->mii_ifp, &p->es_ifr,
547		    &mii->mii_media, SIOCGIFMEDIA);
548		if (err)
549			return (err);
550	} else {
551		return (ENXIO);
552	}
553	return (0);
554}
555
556static int
557arswitch_setport(device_t dev, etherswitch_port_t *p)
558{
559	int err;
560	uint32_t reg;
561	struct arswitch_softc *sc;
562	struct ifmedia *ifm;
563	struct mii_data *mii;
564	struct ifnet *ifp;
565
566	sc = device_get_softc(dev);
567	if (p->es_port < 0 || p->es_port > sc->numphys)
568		return (ENXIO);
569
570	/* Port flags. */
571	if (sc->vlan_mode == ETHERSWITCH_VLAN_DOT1Q) {
572
573		ARSWITCH_LOCK(sc);
574		/* Set the PVID. */
575		if (p->es_pvid != 0)
576			arswitch_set_pvid(sc, p->es_port, p->es_pvid);
577
578		/* Mutually exclusive. */
579		if (p->es_flags & ETHERSWITCH_PORT_ADDTAG &&
580		    p->es_flags & ETHERSWITCH_PORT_STRIPTAG) {
581			ARSWITCH_UNLOCK(sc);
582			return (EINVAL);
583		}
584
585		reg = 0;
586		if (p->es_flags & ETHERSWITCH_PORT_DOUBLE_TAG)
587			reg |= AR8X16_PORT_CTRL_DOUBLE_TAG;
588		if (p->es_flags & ETHERSWITCH_PORT_ADDTAG)
589			reg |= AR8X16_PORT_CTRL_EGRESS_VLAN_MODE_ADD <<
590			    AR8X16_PORT_CTRL_EGRESS_VLAN_MODE_SHIFT;
591		if (p->es_flags & ETHERSWITCH_PORT_STRIPTAG)
592			reg |= AR8X16_PORT_CTRL_EGRESS_VLAN_MODE_STRIP <<
593			    AR8X16_PORT_CTRL_EGRESS_VLAN_MODE_SHIFT;
594
595		err = arswitch_modifyreg(sc->sc_dev,
596		    AR8X16_REG_PORT_CTRL(p->es_port),
597		    0x3 << AR8X16_PORT_CTRL_EGRESS_VLAN_MODE_SHIFT |
598		    AR8X16_PORT_CTRL_DOUBLE_TAG, reg);
599
600		ARSWITCH_UNLOCK(sc);
601		if (err)
602			return (err);
603        }
604
605	/* Do not allow media changes on CPU port. */
606	if (p->es_port == AR8X16_PORT_CPU)
607		return (0);
608
609	mii = arswitch_miiforport(sc, p->es_port);
610	if (mii == NULL)
611		return (ENXIO);
612
613	ifp = arswitch_ifpforport(sc, p->es_port);
614
615	ifm = &mii->mii_media;
616	return (ifmedia_ioctl(ifp, &p->es_ifr, ifm, SIOCSIFMEDIA));
617}
618
619static void
620arswitch_statchg(device_t dev)
621{
622
623	DPRINTF(dev, "%s\n", __func__);
624}
625
626static int
627arswitch_ifmedia_upd(struct ifnet *ifp)
628{
629	struct arswitch_softc *sc = ifp->if_softc;
630	struct mii_data *mii = arswitch_miiforport(sc, ifp->if_dunit);
631
632	if (mii == NULL)
633		return (ENXIO);
634	mii_mediachg(mii);
635	return (0);
636}
637
638static void
639arswitch_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr)
640{
641	struct arswitch_softc *sc = ifp->if_softc;
642	struct mii_data *mii = arswitch_miiforport(sc, ifp->if_dunit);
643
644	DPRINTF(sc->sc_dev, "%s\n", __func__);
645
646	if (mii == NULL)
647		return;
648	mii_pollstat(mii);
649	ifmr->ifm_active = mii->mii_media_active;
650	ifmr->ifm_status = mii->mii_media_status;
651}
652
653static int
654arswitch_getconf(device_t dev, etherswitch_conf_t *conf)
655{
656	struct arswitch_softc *sc;
657
658	sc = device_get_softc(dev);
659
660	/* Return the VLAN mode. */
661	conf->cmd = ETHERSWITCH_CONF_VLAN_MODE;
662	conf->vlan_mode = sc->vlan_mode;
663
664	return (0);
665}
666
667static int
668arswitch_setconf(device_t dev, etherswitch_conf_t *conf)
669{
670	struct arswitch_softc *sc;
671	int err;
672
673	sc = device_get_softc(dev);
674
675	/* Set the VLAN mode. */
676	if (conf->cmd & ETHERSWITCH_CONF_VLAN_MODE) {
677		err = arswitch_set_vlan_mode(sc, conf->vlan_mode);
678		if (err != 0)
679			return (err);
680	}
681
682	return (0);
683}
684
685static device_method_t arswitch_methods[] = {
686	/* Device interface */
687	DEVMETHOD(device_probe,		arswitch_probe),
688	DEVMETHOD(device_attach,	arswitch_attach),
689	DEVMETHOD(device_detach,	arswitch_detach),
690
691	/* bus interface */
692	DEVMETHOD(bus_add_child,	device_add_child_ordered),
693
694	/* MII interface */
695	DEVMETHOD(miibus_readreg,	arswitch_readphy),
696	DEVMETHOD(miibus_writereg,	arswitch_writephy),
697	DEVMETHOD(miibus_statchg,	arswitch_statchg),
698
699	/* MDIO interface */
700	DEVMETHOD(mdio_readreg,		arswitch_readphy),
701	DEVMETHOD(mdio_writereg,	arswitch_writephy),
702
703	/* etherswitch interface */
704	DEVMETHOD(etherswitch_lock,	arswitch_lock),
705	DEVMETHOD(etherswitch_unlock,	arswitch_unlock),
706	DEVMETHOD(etherswitch_getinfo,	arswitch_getinfo),
707	DEVMETHOD(etherswitch_readreg,	arswitch_readreg),
708	DEVMETHOD(etherswitch_writereg,	arswitch_writereg),
709	DEVMETHOD(etherswitch_readphyreg,	arswitch_readphy),
710	DEVMETHOD(etherswitch_writephyreg,	arswitch_writephy),
711	DEVMETHOD(etherswitch_getport,	arswitch_getport),
712	DEVMETHOD(etherswitch_setport,	arswitch_setport),
713	DEVMETHOD(etherswitch_getvgroup,	arswitch_getvgroup),
714	DEVMETHOD(etherswitch_setvgroup,	arswitch_setvgroup),
715	DEVMETHOD(etherswitch_getconf,	arswitch_getconf),
716	DEVMETHOD(etherswitch_setconf,	arswitch_setconf),
717
718	DEVMETHOD_END
719};
720
721DEFINE_CLASS_0(arswitch, arswitch_driver, arswitch_methods,
722    sizeof(struct arswitch_softc));
723static devclass_t arswitch_devclass;
724
725DRIVER_MODULE(arswitch, mdio, arswitch_driver, arswitch_devclass, 0, 0);
726DRIVER_MODULE(miibus, arswitch, miibus_driver, miibus_devclass, 0, 0);
727DRIVER_MODULE(mdio, arswitch, mdio_driver, mdio_devclass, 0, 0);
728DRIVER_MODULE(etherswitch, arswitch, etherswitch_driver, etherswitch_devclass, 0, 0);
729MODULE_VERSION(arswitch, 1);
730MODULE_DEPEND(arswitch, miibus, 1, 1, 1); /* XXX which versions? */
731MODULE_DEPEND(arswitch, etherswitch, 1, 1, 1); /* XXX which versions? */
732