xref: /freebsd/sys/dev/etherswitch/e6000sw/e6060sw.c (revision aa3860851b9f6a6002d135b1cac7736e0995eedc)
1 /*-
2  * Copyright (c) 2016-2017 Hiroki Mori
3  * Copyright (c) 2013 Luiz Otavio O Souza.
4  * Copyright (c) 2011-2012 Stefan Bethke.
5  * Copyright (c) 2012 Adrian Chadd.
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  */
29 
30 /*
31  * This code is Marvell 88E6060 ethernet switch support code on etherswitch
32  * framework.
33  * 88E6060 support is only port vlan support. Not support ingress/egress
34  * trailer.
35  * 88E6065 support is port and dot1q vlan. Also group base tag support.
36  */
37 
38 #include <sys/param.h>
39 #include <sys/bus.h>
40 #include <sys/errno.h>
41 #include <sys/kernel.h>
42 #include <sys/lock.h>
43 #include <sys/malloc.h>
44 #include <sys/module.h>
45 #include <sys/mutex.h>
46 #include <sys/socket.h>
47 #include <sys/sockio.h>
48 #include <sys/sysctl.h>
49 #include <sys/systm.h>
50 
51 #include <net/if.h>
52 #include <net/if_var.h>
53 #include <net/ethernet.h>
54 #include <net/if_media.h>
55 #include <net/if_types.h>
56 
57 #include <machine/bus.h>
58 #include <dev/mii/mii.h>
59 #include <dev/mii/miivar.h>
60 #include <dev/mdio/mdio.h>
61 
62 #include <dev/etherswitch/etherswitch.h>
63 
64 #include "mdio_if.h"
65 #include "miibus_if.h"
66 #include "etherswitch_if.h"
67 
68 #define	CORE_REGISTER	0x8
69 #define	SWITCH_ID	3
70 
71 #define	PORT_CONTROL	4
72 #define	ENGRESSFSHIFT	2
73 #define	ENGRESSFMASK	3
74 #define	ENGRESSTAGSHIFT	12
75 #define	ENGRESSTAGMASK	3
76 
77 #define	PORT_VLAN_MAP	6
78 #define	FORCEMAPSHIFT	8
79 #define	FORCEMAPMASK	1
80 
81 #define	PORT_DEFVLAN	7
82 #define	DEFVIDMASK	0xfff
83 #define	DEFPRIMASK	7
84 
85 #define	PORT_CONTROL2	8
86 #define	DOT1QMODESHIFT	10
87 #define	DOT1QMODEMASK	3
88 #define	DOT1QNONE	0
89 #define	DOT1QFALLBACK	1
90 #define	DOT1QCHECK	2
91 #define	DOT1QSECURE	3
92 
93 #define	GLOBAL_REGISTER	0xf
94 
95 #define	VTU_OPERATION	5
96 #define	VTU_VID_REG	6
97 #define	VTU_DATA1_REG	7
98 #define	VTU_DATA2_REG	8
99 #define	VTU_DATA3_REG	9
100 #define	VTU_BUSY	0x8000
101 #define	VTU_FLASH	1
102 #define	VTU_LOAD_PURGE	3
103 #define	VTU_GET_NEXT	4
104 #define	VTU_VIOLATION	7
105 
106 MALLOC_DECLARE(M_E6060SW);
107 MALLOC_DEFINE(M_E6060SW, "e6060sw", "e6060sw data structures");
108 
109 struct e6060sw_softc {
110 	struct mtx	sc_mtx;		/* serialize access to softc */
111 	device_t	sc_dev;
112 	int		vlan_mode;
113 	int		media;		/* cpu port media */
114 	int		cpuport;	/* which PHY is connected to the CPU */
115 	int		phymask;	/* PHYs we manage */
116 	int		numports;	/* number of ports */
117 	int		ifpport[MII_NPHY];
118 	int		*portphy;
119 	char		**ifname;
120 	device_t	**miibus;
121 	if_t *ifp;
122 	struct callout	callout_tick;
123 	etherswitch_info_t	info;
124 	int		smi_offset;
125 	int		sw_model;
126 };
127 
128 /* Switch Identifier DeviceID */
129 
130 #define	E6060		0x60
131 #define	E6063		0x63
132 #define	E6065		0x65
133 
134 #define	E6060SW_LOCK(_sc)			\
135 	    mtx_lock(&(_sc)->sc_mtx)
136 #define	E6060SW_UNLOCK(_sc)			\
137 	    mtx_unlock(&(_sc)->sc_mtx)
138 #define	E6060SW_LOCK_ASSERT(_sc, _what)	\
139 	    mtx_assert(&(_sc)->sc_mtx, (_what))
140 #define	E6060SW_TRYLOCK(_sc)			\
141 	    mtx_trylock(&(_sc)->sc_mtx)
142 
143 #if defined(DEBUG)
144 #define	DPRINTF(dev, args...) device_printf(dev, args)
145 #else
146 #define	DPRINTF(dev, args...)
147 #endif
148 
149 static inline int e6060sw_portforphy(struct e6060sw_softc *, int);
150 static void e6060sw_tick(void *);
151 static int e6060sw_ifmedia_upd(if_t);
152 static void e6060sw_ifmedia_sts(if_t, struct ifmediareq *);
153 
154 static void e6060sw_setup(device_t dev);
155 static int e6060sw_read_vtu(device_t dev, int num, int *data1, int *data2);
156 static void e6060sw_set_vtu(device_t dev, int num, int data1, int data2);
157 
158 static int
e6060sw_probe(device_t dev)159 e6060sw_probe(device_t dev)
160 {
161 	int data;
162 	struct e6060sw_softc *sc;
163 	int devid, i;
164 	char *devname;
165 
166 	sc = device_get_softc(dev);
167 	bzero(sc, sizeof(*sc));
168 
169 	devid = 0;
170 	for (i = 0; i < 2; ++i) {
171 		data = MDIO_READREG(device_get_parent(dev),
172 		    CORE_REGISTER + i * 0x10, SWITCH_ID);
173 		if (bootverbose)
174 			device_printf(dev,"Switch Identifier Register %x\n",
175 			    data);
176 
177 		devid = data >> 4;
178 		if (devid == E6060 ||
179 		    devid == E6063 || devid == E6065) {
180 			sc->sw_model = devid;
181 			sc->smi_offset = i * 0x10;
182 			break;
183 		}
184 	}
185 
186 	if (devid == E6060)
187 		devname = "88E6060";
188 	else if (devid == E6063)
189 		devname = "88E6063";
190 	else if (devid == E6065)
191 		devname = "88E6065";
192 	else
193 		return (ENXIO);
194 
195 	device_set_descf(dev, "Marvell %s MDIO switch driver at 0x%02x",
196 	    devname, sc->smi_offset);
197 
198 	return (BUS_PROBE_DEFAULT);
199 }
200 
201 static int
e6060sw_attach_phys(struct e6060sw_softc * sc)202 e6060sw_attach_phys(struct e6060sw_softc *sc)
203 {
204 	int phy, port, err;
205 	char name[IFNAMSIZ];
206 
207 	port = 0;
208 	err = 0;
209 	/* PHYs need an interface, so we generate a dummy one */
210 	snprintf(name, IFNAMSIZ, "%sport", device_get_nameunit(sc->sc_dev));
211 	for (phy = 0; phy < sc->numports; phy++) {
212 		if (((1 << phy) & sc->phymask) == 0)
213 			continue;
214 		sc->ifpport[phy] = port;
215 		sc->portphy[port] = phy;
216 		sc->ifp[port] = if_alloc(IFT_ETHER);
217 		sc->ifp[port]->if_softc = sc;
218 		sc->ifp[port]->if_flags |= IFF_UP | IFF_BROADCAST |
219 		    IFF_DRV_RUNNING | IFF_SIMPLEX;
220 		if_initname(sc->ifp[port], name, port);
221 		sc->miibus[port] = malloc(sizeof(device_t), M_E6060SW,
222 		    M_WAITOK | M_ZERO);
223 		err = mii_attach(sc->sc_dev, sc->miibus[port], sc->ifp[port],
224 		    e6060sw_ifmedia_upd, e6060sw_ifmedia_sts, \
225 		    BMSR_DEFCAPMASK, phy + sc->smi_offset, MII_OFFSET_ANY, 0);
226 		DPRINTF(sc->sc_dev, "%s attached to pseudo interface %s\n",
227 		    device_get_nameunit(*sc->miibus[port]),
228 		    sc->ifp[port]->if_xname);
229 		if (err != 0) {
230 			device_printf(sc->sc_dev,
231 			    "attaching PHY %d failed\n",
232 			    phy);
233 			break;
234 		}
235 		++port;
236 	}
237 	sc->info.es_nports = port;
238 	if (sc->cpuport != -1) {
239 		/* assume cpuport is last one */
240 		sc->ifpport[sc->cpuport] = port;
241 		sc->portphy[port] = sc->cpuport;
242 		++sc->info.es_nports;
243 	}
244 	return (err);
245 }
246 
247 static int
e6060sw_attach(device_t dev)248 e6060sw_attach(device_t dev)
249 {
250 	struct e6060sw_softc *sc;
251 	int err;
252 
253 	sc = device_get_softc(dev);
254 	err = 0;
255 
256 	sc->sc_dev = dev;
257 	mtx_init(&sc->sc_mtx, "e6060sw", NULL, MTX_DEF);
258 	strlcpy(sc->info.es_name, device_get_desc(dev),
259 	    sizeof(sc->info.es_name));
260 
261 	/* XXX Defaults */
262 	if (sc->sw_model == E6063) {
263 		sc->numports = 3;
264 		sc->phymask = 0x07;
265 		sc->cpuport = 2;
266 	} else {
267 		sc->numports = 6;
268 		sc->phymask = 0x1f;
269 		sc->cpuport = 5;
270 	}
271 	sc->media = 100;
272 
273 	(void) resource_int_value(device_get_name(dev), device_get_unit(dev),
274 	    "numports", &sc->numports);
275 	(void) resource_int_value(device_get_name(dev), device_get_unit(dev),
276 	    "phymask", &sc->phymask);
277 	(void) resource_int_value(device_get_name(dev), device_get_unit(dev),
278 	    "cpuport", &sc->cpuport);
279 	(void) resource_int_value(device_get_name(dev), device_get_unit(dev),
280 	    "media", &sc->media);
281 
282 	if (sc->sw_model == E6060) {
283 		sc->info.es_nvlangroups = sc->numports;
284 		sc->info.es_vlan_caps = ETHERSWITCH_VLAN_PORT;
285 	} else {
286 		sc->info.es_nvlangroups = 64;
287 		sc->info.es_vlan_caps = ETHERSWITCH_VLAN_PORT |
288 		    ETHERSWITCH_VLAN_DOT1Q;
289 	}
290 
291 	e6060sw_setup(dev);
292 
293 	sc->ifp = malloc(sizeof(if_t) * sc->numports, M_E6060SW,
294 	    M_WAITOK | M_ZERO);
295 	sc->ifname = malloc(sizeof(char *) * sc->numports, M_E6060SW,
296 	    M_WAITOK | M_ZERO);
297 	sc->miibus = malloc(sizeof(device_t *) * sc->numports, M_E6060SW,
298 	    M_WAITOK | M_ZERO);
299 	sc->portphy = malloc(sizeof(int) * sc->numports, M_E6060SW,
300 	    M_WAITOK | M_ZERO);
301 
302 	/*
303 	 * Attach the PHYs and complete the bus enumeration.
304 	 */
305 	err = e6060sw_attach_phys(sc);
306 	if (err != 0)
307 		return (err);
308 
309 	bus_generic_probe(dev);
310 	bus_enumerate_hinted_children(dev);
311 	err = bus_generic_attach(dev);
312 	if (err != 0)
313 		return (err);
314 
315 	callout_init(&sc->callout_tick, 0);
316 
317 	e6060sw_tick(sc);
318 
319 	return (err);
320 }
321 
322 static int
e6060sw_detach(device_t dev)323 e6060sw_detach(device_t dev)
324 {
325 	struct e6060sw_softc *sc;
326 	int i, port;
327 
328 	sc = device_get_softc(dev);
329 
330 	callout_drain(&sc->callout_tick);
331 
332 	for (i = 0; i < MII_NPHY; i++) {
333 		if (((1 << i) & sc->phymask) == 0)
334 			continue;
335 		port = e6060sw_portforphy(sc, i);
336 		if (sc->miibus[port] != NULL)
337 			device_delete_child(dev, (*sc->miibus[port]));
338 		if (sc->ifp[port] != NULL)
339 			if_free(sc->ifp[port]);
340 		free(sc->ifname[port], M_E6060SW);
341 		free(sc->miibus[port], M_E6060SW);
342 	}
343 
344 	free(sc->portphy, M_E6060SW);
345 	free(sc->miibus, M_E6060SW);
346 	free(sc->ifname, M_E6060SW);
347 	free(sc->ifp, M_E6060SW);
348 
349 	bus_generic_detach(dev);
350 	mtx_destroy(&sc->sc_mtx);
351 
352 	return (0);
353 }
354 
355 /*
356  * Convert PHY number to port number.
357  */
358 static inline int
e6060sw_portforphy(struct e6060sw_softc * sc,int phy)359 e6060sw_portforphy(struct e6060sw_softc *sc, int phy)
360 {
361 
362 	return (sc->ifpport[phy]);
363 }
364 
365 static inline struct mii_data *
e6060sw_miiforport(struct e6060sw_softc * sc,int port)366 e6060sw_miiforport(struct e6060sw_softc *sc, int port)
367 {
368 
369 	if (port < 0 || port > sc->numports)
370 		return (NULL);
371 	if (port == sc->cpuport)
372 		return (NULL);
373 	return (device_get_softc(*sc->miibus[port]));
374 }
375 
376 static inline if_t
e6060sw_ifpforport(struct e6060sw_softc * sc,int port)377 e6060sw_ifpforport(struct e6060sw_softc *sc, int port)
378 {
379 
380 	if (port < 0 || port > sc->numports)
381 		return (NULL);
382 	return (sc->ifp[port]);
383 }
384 
385 /*
386  * Poll the status for all PHYs.
387  */
388 static void
e6060sw_miipollstat(struct e6060sw_softc * sc)389 e6060sw_miipollstat(struct e6060sw_softc *sc)
390 {
391 	int i, port;
392 	struct mii_data *mii;
393 	struct mii_softc *miisc;
394 
395 	E6060SW_LOCK_ASSERT(sc, MA_NOTOWNED);
396 
397 	for (i = 0; i < MII_NPHY; i++) {
398 		if (((1 << i) & sc->phymask) == 0)
399 			continue;
400 		port = e6060sw_portforphy(sc, i);
401 		if ((*sc->miibus[port]) == NULL)
402 			continue;
403 		mii = device_get_softc(*sc->miibus[port]);
404 		LIST_FOREACH(miisc, &mii->mii_phys, mii_list) {
405 			if (IFM_INST(mii->mii_media.ifm_cur->ifm_media) !=
406 			    miisc->mii_inst)
407 				continue;
408 			ukphy_status(miisc);
409 			mii_phy_update(miisc, MII_POLLSTAT);
410 		}
411 	}
412 }
413 
414 static void
e6060sw_tick(void * arg)415 e6060sw_tick(void *arg)
416 {
417 	struct e6060sw_softc *sc;
418 
419 	sc = arg;
420 
421 	e6060sw_miipollstat(sc);
422 	callout_reset(&sc->callout_tick, hz, e6060sw_tick, sc);
423 }
424 
425 static void
e6060sw_lock(device_t dev)426 e6060sw_lock(device_t dev)
427 {
428 	struct e6060sw_softc *sc;
429 
430 	sc = device_get_softc(dev);
431 
432 	E6060SW_LOCK_ASSERT(sc, MA_NOTOWNED);
433 	E6060SW_LOCK(sc);
434 }
435 
436 static void
e6060sw_unlock(device_t dev)437 e6060sw_unlock(device_t dev)
438 {
439 	struct e6060sw_softc *sc;
440 
441 	sc = device_get_softc(dev);
442 
443 	E6060SW_LOCK_ASSERT(sc, MA_OWNED);
444 	E6060SW_UNLOCK(sc);
445 }
446 
447 static etherswitch_info_t *
e6060sw_getinfo(device_t dev)448 e6060sw_getinfo(device_t dev)
449 {
450 	struct e6060sw_softc *sc;
451 
452 	sc = device_get_softc(dev);
453 
454 	return (&sc->info);
455 }
456 
457 static int
e6060sw_getport(device_t dev,etherswitch_port_t * p)458 e6060sw_getport(device_t dev, etherswitch_port_t *p)
459 {
460 	struct e6060sw_softc *sc;
461 	struct mii_data *mii;
462 	struct ifmediareq *ifmr;
463 	int err, phy;
464 
465 	sc = device_get_softc(dev);
466 	ifmr = &p->es_ifmr;
467 
468 	if (p->es_port < 0 || p->es_port >= sc->numports)
469 		return (ENXIO);
470 
471 	p->es_pvid = 0;
472 	if (sc->vlan_mode == ETHERSWITCH_VLAN_DOT1Q) {
473 		p->es_pvid = MDIO_READREG(device_get_parent(dev),
474 		    CORE_REGISTER + sc->smi_offset + p->es_port,
475 		    PORT_DEFVLAN) & 0xfff;
476 	}
477 
478 	phy = sc->portphy[p->es_port];
479 	mii = e6060sw_miiforport(sc, p->es_port);
480 	if (sc->cpuport != -1 && phy == sc->cpuport) {
481 		/* fill in fixed values for CPU port */
482 		p->es_flags |= ETHERSWITCH_PORT_CPU;
483 		ifmr->ifm_count = 0;
484 		if (sc->media == 100)
485 			ifmr->ifm_current = ifmr->ifm_active =
486 			    IFM_ETHER | IFM_100_TX | IFM_FDX;
487 		else
488 			ifmr->ifm_current = ifmr->ifm_active =
489 			    IFM_ETHER | IFM_1000_T | IFM_FDX;
490 		ifmr->ifm_mask = 0;
491 		ifmr->ifm_status = IFM_ACTIVE | IFM_AVALID;
492 	} else if (mii != NULL) {
493 		err = ifmedia_ioctl(mii->mii_ifp, &p->es_ifr,
494 		    &mii->mii_media, SIOCGIFMEDIA);
495 		if (err)
496 			return (err);
497 	} else {
498 		return (ENXIO);
499 	}
500 	return (0);
501 }
502 
503 static int
e6060sw_setport(device_t dev,etherswitch_port_t * p)504 e6060sw_setport(device_t dev, etherswitch_port_t *p)
505 {
506 	struct e6060sw_softc *sc;
507 	struct ifmedia *ifm;
508 	struct mii_data *mii;
509 	if_t ifp;
510 	int err;
511 	int data;
512 
513 	sc = device_get_softc(dev);
514 
515 	if (p->es_port < 0 || p->es_port >= sc->numports)
516 		return (ENXIO);
517 
518 	if (sc->vlan_mode == ETHERSWITCH_VLAN_DOT1Q) {
519 		data = MDIO_READREG(device_get_parent(dev),
520 		    CORE_REGISTER + sc->smi_offset + p->es_port,
521 		    PORT_DEFVLAN);
522 		data &= ~0xfff;
523 		data |= p->es_pvid;
524 		data |= 1 << 12;
525 		MDIO_WRITEREG(device_get_parent(dev),
526 		    CORE_REGISTER + sc->smi_offset + p->es_port,
527 		    PORT_DEFVLAN, data);
528 	}
529 
530 	if (sc->portphy[p->es_port] == sc->cpuport)
531 		return(0);
532 
533 	mii = e6060sw_miiforport(sc, p->es_port);
534 	if (mii == NULL)
535 		return (ENXIO);
536 
537 	ifp = e6060sw_ifpforport(sc, p->es_port);
538 
539 	ifm = &mii->mii_media;
540 	err = ifmedia_ioctl(ifp, &p->es_ifr, ifm, SIOCSIFMEDIA);
541 	return (err);
542 }
543 
544 static int
e6060sw_getvgroup(device_t dev,etherswitch_vlangroup_t * vg)545 e6060sw_getvgroup(device_t dev, etherswitch_vlangroup_t *vg)
546 {
547 	struct e6060sw_softc *sc;
548 	int data1, data2;
549 	int vid;
550 	int i, tag;
551 
552 	sc = device_get_softc(dev);
553 
554 	if (sc->vlan_mode == ETHERSWITCH_VLAN_PORT) {
555 		vg->es_vid = ETHERSWITCH_VID_VALID;
556 		vg->es_vid |= vg->es_vlangroup;
557 		data1 = MDIO_READREG(device_get_parent(dev),
558 		    CORE_REGISTER + sc->smi_offset + vg->es_vlangroup,
559 		    PORT_VLAN_MAP);
560 		vg->es_member_ports = data1 & 0x3f;
561 		vg->es_untagged_ports = vg->es_member_ports;
562 		vg->es_fid = 0;
563 	} else if (sc->vlan_mode == ETHERSWITCH_VLAN_DOT1Q) {
564 		if (vg->es_vlangroup == 0)
565 			return (0);
566 		vid = e6060sw_read_vtu(dev, vg->es_vlangroup, &data1, &data2);
567 		if (vid > 0) {
568 			vg->es_vid = ETHERSWITCH_VID_VALID;
569 			vg->es_vid |= vid;
570 			vg->es_member_ports = 0;
571 			vg->es_untagged_ports = 0;
572 			for (i = 0; i < 4; ++i) {
573 				tag = data1 >> (i * 4) & 3;
574 				if (tag == 0 || tag == 1) {
575 					vg->es_member_ports |= 1 << i;
576 					vg->es_untagged_ports |= 1 << i;
577 				} else if (tag == 2) {
578 					vg->es_member_ports |= 1 << i;
579 				}
580 			}
581 			for (i = 0; i < 2; ++i) {
582 				tag = data2 >> (i * 4) & 3;
583 				if (tag == 0 || tag == 1) {
584 					vg->es_member_ports |= 1 << (i + 4);
585 					vg->es_untagged_ports |= 1 << (i + 4);
586 				} else if (tag == 2) {
587 					vg->es_member_ports |= 1 << (i + 4);
588 				}
589 			}
590 
591 		}
592 	} else {
593 		vg->es_vid = 0;
594 	}
595 	return (0);
596 }
597 
598 static int
e6060sw_setvgroup(device_t dev,etherswitch_vlangroup_t * vg)599 e6060sw_setvgroup(device_t dev, etherswitch_vlangroup_t *vg)
600 {
601 	struct e6060sw_softc *sc;
602 	int data1, data2;
603 	int i;
604 
605 	sc = device_get_softc(dev);
606 
607 	if (sc->vlan_mode == ETHERSWITCH_VLAN_PORT) {
608 		data1 = MDIO_READREG(device_get_parent(dev),
609 		    CORE_REGISTER + sc->smi_offset + vg->es_vlangroup,
610 		    PORT_VLAN_MAP);
611 		data1 &= ~0x3f;
612 		data1 |= vg->es_member_ports;
613 		MDIO_WRITEREG(device_get_parent(dev),
614 		    CORE_REGISTER + sc->smi_offset + vg->es_vlangroup,
615 		    PORT_VLAN_MAP, data1);
616 	} else if (sc->vlan_mode == ETHERSWITCH_VLAN_DOT1Q) {
617 		if (vg->es_vlangroup == 0)
618 			return (0);
619 		data1 = 0;
620 		data2 = 0;
621 		for (i = 0; i < 6; ++i) {
622 			if (vg->es_member_ports &
623 			    vg->es_untagged_ports & (1 << i)) {
624 				if (i < 4) {
625 					data1 |= (0xd << i * 4);
626 				} else {
627 					data2 |= (0xd << (i - 4) * 4);
628 				}
629 			} else if (vg->es_member_ports & (1 << i)) {
630 				if (i < 4) {
631 					data1 |= (0xe << i * 4);
632 				} else {
633 					data2 |= (0xe << (i - 4) * 4);
634 				}
635 			} else {
636 				if (i < 4) {
637 					data1 |= (0x3 << i * 4);
638 				} else {
639 					data2 |= (0x3 << (i - 4) * 4);
640 				}
641 			}
642 		}
643 		e6060sw_set_vtu(dev, vg->es_vlangroup, data1, data2);
644 	}
645 	return (0);
646 }
647 
648 static void
e6060sw_reset_vlans(device_t dev)649 e6060sw_reset_vlans(device_t dev)
650 {
651 	struct e6060sw_softc *sc;
652 	uint32_t ports;
653 	int i;
654 	int data;
655 
656 	sc = device_get_softc(dev);
657 
658 	for (i = 0; i <= sc->numports; i++) {
659 		ports = (1 << (sc->numports + 1)) - 1;
660 		ports &= ~(1 << i);
661 		if (sc->vlan_mode == ETHERSWITCH_VLAN_PORT) {
662 			data = i << 12;
663 		} else if (sc->vlan_mode == 0) {
664 			data = 1 << 8;
665 		} else {
666 			data = 0;
667 		}
668 		data |= ports;
669 		MDIO_WRITEREG(device_get_parent(dev),
670 		    CORE_REGISTER + sc->smi_offset + i, PORT_VLAN_MAP, data);
671 	}
672 }
673 
674 static void
e6060sw_setup(device_t dev)675 e6060sw_setup(device_t dev)
676 {
677 	struct e6060sw_softc *sc;
678 	int i;
679 	int data;
680 
681 	sc = device_get_softc(dev);
682 
683 	for (i = 0; i <= sc->numports; i++) {
684 		if (sc->sw_model == E6063 || sc->sw_model == E6065) {
685 			data = MDIO_READREG(device_get_parent(dev),
686 			    CORE_REGISTER + sc->smi_offset + i, PORT_VLAN_MAP);
687 			data &= ~(FORCEMAPMASK << FORCEMAPSHIFT);
688 			MDIO_WRITEREG(device_get_parent(dev),
689 			    CORE_REGISTER + sc->smi_offset + i,
690 			    PORT_VLAN_MAP, data);
691 
692 			data = MDIO_READREG(device_get_parent(dev),
693 			    CORE_REGISTER + sc->smi_offset + i, PORT_CONTROL);
694 			data |= 3 << ENGRESSFSHIFT;
695 			MDIO_WRITEREG(device_get_parent(dev),
696 			    CORE_REGISTER + sc->smi_offset + i,
697 			    PORT_CONTROL, data);
698 		}
699 	}
700 }
701 
702 static void
e6060sw_dot1q_mode(device_t dev,int mode)703 e6060sw_dot1q_mode(device_t dev, int mode)
704 {
705 	struct e6060sw_softc *sc;
706 	int i;
707 	int data;
708 
709 	sc = device_get_softc(dev);
710 
711 	for (i = 0; i <= sc->numports; i++) {
712 		data = MDIO_READREG(device_get_parent(dev),
713 		    CORE_REGISTER + sc->smi_offset + i, PORT_CONTROL2);
714 		data &= ~(DOT1QMODEMASK << DOT1QMODESHIFT);
715 		data |= mode << DOT1QMODESHIFT;
716 		MDIO_WRITEREG(device_get_parent(dev),
717 		    CORE_REGISTER + sc->smi_offset + i, PORT_CONTROL2, data);
718 
719 		data = MDIO_READREG(device_get_parent(dev),
720 		    CORE_REGISTER + sc->smi_offset + i,
721 		    PORT_DEFVLAN);
722 		data &= ~0xfff;
723 		data |= 1;
724 		MDIO_WRITEREG(device_get_parent(dev),
725 		    CORE_REGISTER + sc->smi_offset + i,
726 		    PORT_DEFVLAN, data);
727 	}
728 }
729 
730 static int
e6060sw_getconf(device_t dev,etherswitch_conf_t * conf)731 e6060sw_getconf(device_t dev, etherswitch_conf_t *conf)
732 {
733 	struct e6060sw_softc *sc;
734 
735 	sc = device_get_softc(dev);
736 
737 	/* Return the VLAN mode. */
738 	conf->cmd = ETHERSWITCH_CONF_VLAN_MODE;
739 	conf->vlan_mode = sc->vlan_mode;
740 
741 	return (0);
742 }
743 
744 static void
e6060sw_init_vtu(device_t dev)745 e6060sw_init_vtu(device_t dev)
746 {
747 	struct e6060sw_softc *sc;
748 	int busy;
749 
750 	sc = device_get_softc(dev);
751 
752 	MDIO_WRITEREG(device_get_parent(dev), GLOBAL_REGISTER + sc->smi_offset,
753 	    VTU_OPERATION, VTU_BUSY | (VTU_FLASH << 12));
754 	while (1) {
755 		busy = MDIO_READREG(device_get_parent(dev),
756 		    GLOBAL_REGISTER + sc->smi_offset, VTU_OPERATION);
757 		if ((busy & VTU_BUSY) == 0)
758 			break;
759 	}
760 
761 	/* initial member set at vlan 1*/
762 	MDIO_WRITEREG(device_get_parent(dev), GLOBAL_REGISTER + sc->smi_offset,
763 	    VTU_DATA1_REG, 0xcccc);
764 	MDIO_WRITEREG(device_get_parent(dev), GLOBAL_REGISTER + sc->smi_offset,
765 	    VTU_DATA2_REG, 0x00cc);
766 	MDIO_WRITEREG(device_get_parent(dev), GLOBAL_REGISTER + sc->smi_offset,
767 	    VTU_VID_REG, 0x1000 | 1);
768 	MDIO_WRITEREG(device_get_parent(dev), GLOBAL_REGISTER + sc->smi_offset,
769 	    VTU_OPERATION, VTU_BUSY | (VTU_LOAD_PURGE << 12) | 1);
770 	while (1) {
771 		busy = MDIO_READREG(device_get_parent(dev),
772 		    GLOBAL_REGISTER + sc->smi_offset, VTU_OPERATION);
773 		if ((busy & VTU_BUSY) == 0)
774 			break;
775 	}
776 }
777 
778 static void
e6060sw_set_vtu(device_t dev,int num,int data1,int data2)779 e6060sw_set_vtu(device_t dev, int num, int data1, int data2)
780 {
781 	struct e6060sw_softc *sc;
782 	int busy;
783 
784 	sc = device_get_softc(dev);
785 
786 	MDIO_WRITEREG(device_get_parent(dev), GLOBAL_REGISTER + sc->smi_offset,
787 	    VTU_DATA1_REG, data1);
788 	MDIO_WRITEREG(device_get_parent(dev), GLOBAL_REGISTER + sc->smi_offset,
789 	    VTU_DATA2_REG, data2);
790 	MDIO_WRITEREG(device_get_parent(dev), GLOBAL_REGISTER + sc->smi_offset,
791 	    VTU_VID_REG, 0x1000 | num);
792 	MDIO_WRITEREG(device_get_parent(dev), GLOBAL_REGISTER + sc->smi_offset,
793 	    VTU_OPERATION, VTU_BUSY | (VTU_LOAD_PURGE << 12) | num);
794 	while (1) {
795 		busy = MDIO_READREG(device_get_parent(dev),
796 		    GLOBAL_REGISTER + sc->smi_offset, VTU_OPERATION);
797 		if ((busy & VTU_BUSY) == 0)
798 			break;
799 	}
800 
801 }
802 
803 static int
e6060sw_read_vtu(device_t dev,int num,int * data1,int * data2)804 e6060sw_read_vtu(device_t dev, int num, int *data1, int *data2)
805 {
806 	struct e6060sw_softc *sc;
807 	int busy;
808 
809 	sc = device_get_softc(dev);
810 
811 	num = num - 1;
812 
813 	MDIO_WRITEREG(device_get_parent(dev), GLOBAL_REGISTER + sc->smi_offset,
814 	    VTU_VID_REG, num & 0xfff);
815 	/* Get Next */
816 	MDIO_WRITEREG(device_get_parent(dev), GLOBAL_REGISTER + sc->smi_offset,
817 	    VTU_OPERATION, VTU_BUSY | (VTU_GET_NEXT << 12));
818 	while (1) {
819 		busy = MDIO_READREG(device_get_parent(dev),
820 		    GLOBAL_REGISTER + sc->smi_offset, VTU_OPERATION);
821 		if ((busy & VTU_BUSY) == 0)
822 			break;
823 	}
824 
825 	int vid = MDIO_READREG(device_get_parent(dev),
826 	    GLOBAL_REGISTER + sc->smi_offset, VTU_VID_REG);
827 	if (vid & 0x1000) {
828 		*data1 = MDIO_READREG(device_get_parent(dev),
829 		    GLOBAL_REGISTER + sc->smi_offset, VTU_DATA1_REG);
830 		*data2 = MDIO_READREG(device_get_parent(dev),
831 		    GLOBAL_REGISTER + sc->smi_offset, VTU_DATA2_REG);
832 
833 		return (vid & 0xfff);
834 	}
835 
836 	return (-1);
837 }
838 
839 static int
e6060sw_setconf(device_t dev,etherswitch_conf_t * conf)840 e6060sw_setconf(device_t dev, etherswitch_conf_t *conf)
841 {
842 	struct e6060sw_softc *sc;
843 
844 	sc = device_get_softc(dev);
845 
846 	/* Set the VLAN mode. */
847 	if (conf->cmd & ETHERSWITCH_CONF_VLAN_MODE) {
848 		if (conf->vlan_mode == ETHERSWITCH_VLAN_PORT) {
849 			sc->vlan_mode = ETHERSWITCH_VLAN_PORT;
850 			e6060sw_dot1q_mode(dev, DOT1QNONE);
851 			e6060sw_reset_vlans(dev);
852 		} else if ((sc->sw_model == E6063 || sc->sw_model == E6065) &&
853 		    conf->vlan_mode == ETHERSWITCH_VLAN_DOT1Q) {
854 			sc->vlan_mode = ETHERSWITCH_VLAN_DOT1Q;
855 			e6060sw_dot1q_mode(dev, DOT1QSECURE);
856 			e6060sw_init_vtu(dev);
857 		} else {
858 			sc->vlan_mode = 0;
859 			/* Reset VLANs. */
860 			e6060sw_dot1q_mode(dev, DOT1QNONE);
861 			e6060sw_reset_vlans(dev);
862 		}
863 	}
864 
865 	return (0);
866 }
867 
868 static void
e6060sw_statchg(device_t dev)869 e6060sw_statchg(device_t dev)
870 {
871 
872 	DPRINTF(dev, "%s\n", __func__);
873 }
874 
875 static int
e6060sw_ifmedia_upd(if_t ifp)876 e6060sw_ifmedia_upd(if_t ifp)
877 {
878 	struct e6060sw_softc *sc;
879 	struct mii_data *mii;
880 
881 	sc = if_getsoftc(ifp);
882 	mii = e6060sw_miiforport(sc, if_getdunit(ifp));
883 
884 	DPRINTF(sc->sc_dev, "%s\n", __func__);
885 	if (mii == NULL)
886 		return (ENXIO);
887 	mii_mediachg(mii);
888 	return (0);
889 }
890 
891 static void
e6060sw_ifmedia_sts(if_t ifp,struct ifmediareq * ifmr)892 e6060sw_ifmedia_sts(if_t ifp, struct ifmediareq *ifmr)
893 {
894 	struct e6060sw_softc *sc;
895 	struct mii_data *mii;
896 
897 	sc = if_getsoftc(ifp);
898 	mii = e6060sw_miiforport(sc, if_getdunit(ifp));
899 
900 	DPRINTF(sc->sc_dev, "%s\n", __func__);
901 
902 	if (mii == NULL)
903 		return;
904 	mii_pollstat(mii);
905 	ifmr->ifm_active = mii->mii_media_active;
906 	ifmr->ifm_status = mii->mii_media_status;
907 }
908 
909 static int
e6060sw_readphy(device_t dev,int phy,int reg)910 e6060sw_readphy(device_t dev, int phy, int reg)
911 {
912 	struct e6060sw_softc *sc;
913 	int data;
914 
915 	sc = device_get_softc(dev);
916 	E6060SW_LOCK_ASSERT(sc, MA_NOTOWNED);
917 
918 	if (phy < 0 || phy >= 32)
919 		return (ENXIO);
920 	if (reg < 0 || reg >= 32)
921 		return (ENXIO);
922 
923 	E6060SW_LOCK(sc);
924 	data = MDIO_READREG(device_get_parent(dev), phy, reg);
925 	E6060SW_UNLOCK(sc);
926 
927 	return (data);
928 }
929 
930 static int
e6060sw_writephy(device_t dev,int phy,int reg,int data)931 e6060sw_writephy(device_t dev, int phy, int reg, int data)
932 {
933 	struct e6060sw_softc *sc;
934 	int err;
935 
936 	sc = device_get_softc(dev);
937 	E6060SW_LOCK_ASSERT(sc, MA_NOTOWNED);
938 
939 	if (phy < 0 || phy >= 32)
940 		return (ENXIO);
941 	if (reg < 0 || reg >= 32)
942 		return (ENXIO);
943 
944 	E6060SW_LOCK(sc);
945 	err = MDIO_WRITEREG(device_get_parent(dev), phy, reg, data);
946 	E6060SW_UNLOCK(sc);
947 
948 	return (err);
949 }
950 
951 /* addr is 5-8 bit is SMI Device Addres, 0-4 bit is SMI Register Address */
952 
953 static int
e6060sw_readreg(device_t dev,int addr)954 e6060sw_readreg(device_t dev, int addr)
955 {
956 	int devaddr, regaddr;
957 
958 	devaddr = (addr >> 5) & 0x1f;
959 	regaddr = addr & 0x1f;
960 
961 	return MDIO_READREG(device_get_parent(dev), devaddr, regaddr);
962 }
963 
964 /* addr is 5-8 bit is SMI Device Addres, 0-4 bit is SMI Register Address */
965 
966 static int
e6060sw_writereg(device_t dev,int addr,int value)967 e6060sw_writereg(device_t dev, int addr, int value)
968 {
969 	int devaddr, regaddr;
970 
971 	devaddr = (addr >> 5) & 0x1f;
972 	regaddr = addr & 0x1f;
973 
974 	return (MDIO_WRITEREG(device_get_parent(dev), devaddr, regaddr, value));
975 }
976 
977 static device_method_t e6060sw_methods[] = {
978 	/* Device interface */
979 	DEVMETHOD(device_probe,		e6060sw_probe),
980 	DEVMETHOD(device_attach,	e6060sw_attach),
981 	DEVMETHOD(device_detach,	e6060sw_detach),
982 
983 	/* bus interface */
984 	DEVMETHOD(bus_add_child,	device_add_child_ordered),
985 
986 	/* MII interface */
987 	DEVMETHOD(miibus_readreg,	e6060sw_readphy),
988 	DEVMETHOD(miibus_writereg,	e6060sw_writephy),
989 	DEVMETHOD(miibus_statchg,	e6060sw_statchg),
990 
991 	/* MDIO interface */
992 	DEVMETHOD(mdio_readreg,		e6060sw_readphy),
993 	DEVMETHOD(mdio_writereg,	e6060sw_writephy),
994 
995 	/* etherswitch interface */
996 	DEVMETHOD(etherswitch_lock,	e6060sw_lock),
997 	DEVMETHOD(etherswitch_unlock,	e6060sw_unlock),
998 	DEVMETHOD(etherswitch_getinfo,	e6060sw_getinfo),
999 	DEVMETHOD(etherswitch_readreg,	e6060sw_readreg),
1000 	DEVMETHOD(etherswitch_writereg,	e6060sw_writereg),
1001 	DEVMETHOD(etherswitch_readphyreg,	e6060sw_readphy),
1002 	DEVMETHOD(etherswitch_writephyreg,	e6060sw_writephy),
1003 	DEVMETHOD(etherswitch_getport,	e6060sw_getport),
1004 	DEVMETHOD(etherswitch_setport,	e6060sw_setport),
1005 	DEVMETHOD(etherswitch_getvgroup,	e6060sw_getvgroup),
1006 	DEVMETHOD(etherswitch_setvgroup,	e6060sw_setvgroup),
1007 	DEVMETHOD(etherswitch_setconf,	e6060sw_setconf),
1008 	DEVMETHOD(etherswitch_getconf,	e6060sw_getconf),
1009 
1010 	DEVMETHOD_END
1011 };
1012 
1013 DEFINE_CLASS_0(e6060sw, e6060sw_driver, e6060sw_methods,
1014     sizeof(struct e6060sw_softc));
1015 
1016 DRIVER_MODULE(e6060sw, mdio, e6060sw_driver, 0, 0);
1017 DRIVER_MODULE(miibus, e6060sw, miibus_driver, 0, 0);
1018 DRIVER_MODULE(mdio, e6060sw, mdio_driver, 0, 0);
1019 DRIVER_MODULE(etherswitch, e6060sw, etherswitch_driver, 0, 0);
1020 MODULE_VERSION(e6060sw, 1);
1021 MODULE_DEPEND(e6060sw, miibus, 1, 1, 1); /* XXX which versions? */
1022 MODULE_DEPEND(e6060sw, etherswitch, 1, 1, 1); /* XXX which versions? */
1023