xref: /freebsd/sys/dev/etherswitch/e6000sw/e6060sw.c (revision 54482989)
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 		if (sc->ifp[port] == NULL) {
218 			device_printf(sc->sc_dev, "couldn't allocate ifnet structure\n");
219 			err = ENOMEM;
220 			break;
221 		}
222 
223 		sc->ifp[port]->if_softc = sc;
224 		sc->ifp[port]->if_flags |= IFF_UP | IFF_BROADCAST |
225 		    IFF_DRV_RUNNING | IFF_SIMPLEX;
226 		if_initname(sc->ifp[port], name, port);
227 		sc->miibus[port] = malloc(sizeof(device_t), M_E6060SW,
228 		    M_WAITOK | M_ZERO);
229 		err = mii_attach(sc->sc_dev, sc->miibus[port], sc->ifp[port],
230 		    e6060sw_ifmedia_upd, e6060sw_ifmedia_sts, \
231 		    BMSR_DEFCAPMASK, phy + sc->smi_offset, MII_OFFSET_ANY, 0);
232 		DPRINTF(sc->sc_dev, "%s attached to pseudo interface %s\n",
233 		    device_get_nameunit(*sc->miibus[port]),
234 		    sc->ifp[port]->if_xname);
235 		if (err != 0) {
236 			device_printf(sc->sc_dev,
237 			    "attaching PHY %d failed\n",
238 			    phy);
239 			break;
240 		}
241 		++port;
242 	}
243 	sc->info.es_nports = port;
244 	if (sc->cpuport != -1) {
245 		/* assume cpuport is last one */
246 		sc->ifpport[sc->cpuport] = port;
247 		sc->portphy[port] = sc->cpuport;
248 		++sc->info.es_nports;
249 	}
250 	return (err);
251 }
252 
253 static int
e6060sw_attach(device_t dev)254 e6060sw_attach(device_t dev)
255 {
256 	struct e6060sw_softc *sc;
257 	int err;
258 
259 	sc = device_get_softc(dev);
260 	err = 0;
261 
262 	sc->sc_dev = dev;
263 	mtx_init(&sc->sc_mtx, "e6060sw", NULL, MTX_DEF);
264 	strlcpy(sc->info.es_name, device_get_desc(dev),
265 	    sizeof(sc->info.es_name));
266 
267 	/* XXX Defaults */
268 	if (sc->sw_model == E6063) {
269 		sc->numports = 3;
270 		sc->phymask = 0x07;
271 		sc->cpuport = 2;
272 	} else {
273 		sc->numports = 6;
274 		sc->phymask = 0x1f;
275 		sc->cpuport = 5;
276 	}
277 	sc->media = 100;
278 
279 	(void) resource_int_value(device_get_name(dev), device_get_unit(dev),
280 	    "numports", &sc->numports);
281 	(void) resource_int_value(device_get_name(dev), device_get_unit(dev),
282 	    "phymask", &sc->phymask);
283 	(void) resource_int_value(device_get_name(dev), device_get_unit(dev),
284 	    "cpuport", &sc->cpuport);
285 	(void) resource_int_value(device_get_name(dev), device_get_unit(dev),
286 	    "media", &sc->media);
287 
288 	if (sc->sw_model == E6060) {
289 		sc->info.es_nvlangroups = sc->numports;
290 		sc->info.es_vlan_caps = ETHERSWITCH_VLAN_PORT;
291 	} else {
292 		sc->info.es_nvlangroups = 64;
293 		sc->info.es_vlan_caps = ETHERSWITCH_VLAN_PORT |
294 		    ETHERSWITCH_VLAN_DOT1Q;
295 	}
296 
297 	e6060sw_setup(dev);
298 
299 	sc->ifp = malloc(sizeof(if_t) * sc->numports, M_E6060SW,
300 	    M_WAITOK | M_ZERO);
301 	sc->ifname = malloc(sizeof(char *) * sc->numports, M_E6060SW,
302 	    M_WAITOK | M_ZERO);
303 	sc->miibus = malloc(sizeof(device_t *) * sc->numports, M_E6060SW,
304 	    M_WAITOK | M_ZERO);
305 	sc->portphy = malloc(sizeof(int) * sc->numports, M_E6060SW,
306 	    M_WAITOK | M_ZERO);
307 
308 	/*
309 	 * Attach the PHYs and complete the bus enumeration.
310 	 */
311 	err = e6060sw_attach_phys(sc);
312 	if (err != 0)
313 		return (err);
314 
315 	bus_generic_probe(dev);
316 	bus_enumerate_hinted_children(dev);
317 	err = bus_generic_attach(dev);
318 	if (err != 0)
319 		return (err);
320 
321 	callout_init(&sc->callout_tick, 0);
322 
323 	e6060sw_tick(sc);
324 
325 	return (err);
326 }
327 
328 static int
e6060sw_detach(device_t dev)329 e6060sw_detach(device_t dev)
330 {
331 	struct e6060sw_softc *sc;
332 	int i, port;
333 
334 	sc = device_get_softc(dev);
335 
336 	callout_drain(&sc->callout_tick);
337 
338 	for (i = 0; i < MII_NPHY; i++) {
339 		if (((1 << i) & sc->phymask) == 0)
340 			continue;
341 		port = e6060sw_portforphy(sc, i);
342 		if (sc->miibus[port] != NULL)
343 			device_delete_child(dev, (*sc->miibus[port]));
344 		if (sc->ifp[port] != NULL)
345 			if_free(sc->ifp[port]);
346 		free(sc->ifname[port], M_E6060SW);
347 		free(sc->miibus[port], M_E6060SW);
348 	}
349 
350 	free(sc->portphy, M_E6060SW);
351 	free(sc->miibus, M_E6060SW);
352 	free(sc->ifname, M_E6060SW);
353 	free(sc->ifp, M_E6060SW);
354 
355 	bus_generic_detach(dev);
356 	mtx_destroy(&sc->sc_mtx);
357 
358 	return (0);
359 }
360 
361 /*
362  * Convert PHY number to port number.
363  */
364 static inline int
e6060sw_portforphy(struct e6060sw_softc * sc,int phy)365 e6060sw_portforphy(struct e6060sw_softc *sc, int phy)
366 {
367 
368 	return (sc->ifpport[phy]);
369 }
370 
371 static inline struct mii_data *
e6060sw_miiforport(struct e6060sw_softc * sc,int port)372 e6060sw_miiforport(struct e6060sw_softc *sc, int port)
373 {
374 
375 	if (port < 0 || port > sc->numports)
376 		return (NULL);
377 	if (port == sc->cpuport)
378 		return (NULL);
379 	return (device_get_softc(*sc->miibus[port]));
380 }
381 
382 static inline if_t
e6060sw_ifpforport(struct e6060sw_softc * sc,int port)383 e6060sw_ifpforport(struct e6060sw_softc *sc, int port)
384 {
385 
386 	if (port < 0 || port > sc->numports)
387 		return (NULL);
388 	return (sc->ifp[port]);
389 }
390 
391 /*
392  * Poll the status for all PHYs.
393  */
394 static void
e6060sw_miipollstat(struct e6060sw_softc * sc)395 e6060sw_miipollstat(struct e6060sw_softc *sc)
396 {
397 	int i, port;
398 	struct mii_data *mii;
399 	struct mii_softc *miisc;
400 
401 	E6060SW_LOCK_ASSERT(sc, MA_NOTOWNED);
402 
403 	for (i = 0; i < MII_NPHY; i++) {
404 		if (((1 << i) & sc->phymask) == 0)
405 			continue;
406 		port = e6060sw_portforphy(sc, i);
407 		if ((*sc->miibus[port]) == NULL)
408 			continue;
409 		mii = device_get_softc(*sc->miibus[port]);
410 		LIST_FOREACH(miisc, &mii->mii_phys, mii_list) {
411 			if (IFM_INST(mii->mii_media.ifm_cur->ifm_media) !=
412 			    miisc->mii_inst)
413 				continue;
414 			ukphy_status(miisc);
415 			mii_phy_update(miisc, MII_POLLSTAT);
416 		}
417 	}
418 }
419 
420 static void
e6060sw_tick(void * arg)421 e6060sw_tick(void *arg)
422 {
423 	struct e6060sw_softc *sc;
424 
425 	sc = arg;
426 
427 	e6060sw_miipollstat(sc);
428 	callout_reset(&sc->callout_tick, hz, e6060sw_tick, sc);
429 }
430 
431 static void
e6060sw_lock(device_t dev)432 e6060sw_lock(device_t dev)
433 {
434 	struct e6060sw_softc *sc;
435 
436 	sc = device_get_softc(dev);
437 
438 	E6060SW_LOCK_ASSERT(sc, MA_NOTOWNED);
439 	E6060SW_LOCK(sc);
440 }
441 
442 static void
e6060sw_unlock(device_t dev)443 e6060sw_unlock(device_t dev)
444 {
445 	struct e6060sw_softc *sc;
446 
447 	sc = device_get_softc(dev);
448 
449 	E6060SW_LOCK_ASSERT(sc, MA_OWNED);
450 	E6060SW_UNLOCK(sc);
451 }
452 
453 static etherswitch_info_t *
e6060sw_getinfo(device_t dev)454 e6060sw_getinfo(device_t dev)
455 {
456 	struct e6060sw_softc *sc;
457 
458 	sc = device_get_softc(dev);
459 
460 	return (&sc->info);
461 }
462 
463 static int
e6060sw_getport(device_t dev,etherswitch_port_t * p)464 e6060sw_getport(device_t dev, etherswitch_port_t *p)
465 {
466 	struct e6060sw_softc *sc;
467 	struct mii_data *mii;
468 	struct ifmediareq *ifmr;
469 	int err, phy;
470 
471 	sc = device_get_softc(dev);
472 	ifmr = &p->es_ifmr;
473 
474 	if (p->es_port < 0 || p->es_port >= sc->numports)
475 		return (ENXIO);
476 
477 	p->es_pvid = 0;
478 	if (sc->vlan_mode == ETHERSWITCH_VLAN_DOT1Q) {
479 		p->es_pvid = MDIO_READREG(device_get_parent(dev),
480 		    CORE_REGISTER + sc->smi_offset + p->es_port,
481 		    PORT_DEFVLAN) & 0xfff;
482 	}
483 
484 	phy = sc->portphy[p->es_port];
485 	mii = e6060sw_miiforport(sc, p->es_port);
486 	if (sc->cpuport != -1 && phy == sc->cpuport) {
487 		/* fill in fixed values for CPU port */
488 		p->es_flags |= ETHERSWITCH_PORT_CPU;
489 		ifmr->ifm_count = 0;
490 		if (sc->media == 100)
491 			ifmr->ifm_current = ifmr->ifm_active =
492 			    IFM_ETHER | IFM_100_TX | IFM_FDX;
493 		else
494 			ifmr->ifm_current = ifmr->ifm_active =
495 			    IFM_ETHER | IFM_1000_T | IFM_FDX;
496 		ifmr->ifm_mask = 0;
497 		ifmr->ifm_status = IFM_ACTIVE | IFM_AVALID;
498 	} else if (mii != NULL) {
499 		err = ifmedia_ioctl(mii->mii_ifp, &p->es_ifr,
500 		    &mii->mii_media, SIOCGIFMEDIA);
501 		if (err)
502 			return (err);
503 	} else {
504 		return (ENXIO);
505 	}
506 	return (0);
507 }
508 
509 static int
e6060sw_setport(device_t dev,etherswitch_port_t * p)510 e6060sw_setport(device_t dev, etherswitch_port_t *p)
511 {
512 	struct e6060sw_softc *sc;
513 	struct ifmedia *ifm;
514 	struct mii_data *mii;
515 	if_t ifp;
516 	int err;
517 	int data;
518 
519 	sc = device_get_softc(dev);
520 
521 	if (p->es_port < 0 || p->es_port >= sc->numports)
522 		return (ENXIO);
523 
524 	if (sc->vlan_mode == ETHERSWITCH_VLAN_DOT1Q) {
525 		data = MDIO_READREG(device_get_parent(dev),
526 		    CORE_REGISTER + sc->smi_offset + p->es_port,
527 		    PORT_DEFVLAN);
528 		data &= ~0xfff;
529 		data |= p->es_pvid;
530 		data |= 1 << 12;
531 		MDIO_WRITEREG(device_get_parent(dev),
532 		    CORE_REGISTER + sc->smi_offset + p->es_port,
533 		    PORT_DEFVLAN, data);
534 	}
535 
536 	if (sc->portphy[p->es_port] == sc->cpuport)
537 		return(0);
538 
539 	mii = e6060sw_miiforport(sc, p->es_port);
540 	if (mii == NULL)
541 		return (ENXIO);
542 
543 	ifp = e6060sw_ifpforport(sc, p->es_port);
544 
545 	ifm = &mii->mii_media;
546 	err = ifmedia_ioctl(ifp, &p->es_ifr, ifm, SIOCSIFMEDIA);
547 	return (err);
548 }
549 
550 static int
e6060sw_getvgroup(device_t dev,etherswitch_vlangroup_t * vg)551 e6060sw_getvgroup(device_t dev, etherswitch_vlangroup_t *vg)
552 {
553 	struct e6060sw_softc *sc;
554 	int data1, data2;
555 	int vid;
556 	int i, tag;
557 
558 	sc = device_get_softc(dev);
559 
560 	if (sc->vlan_mode == ETHERSWITCH_VLAN_PORT) {
561 		vg->es_vid = ETHERSWITCH_VID_VALID;
562 		vg->es_vid |= vg->es_vlangroup;
563 		data1 = MDIO_READREG(device_get_parent(dev),
564 		    CORE_REGISTER + sc->smi_offset + vg->es_vlangroup,
565 		    PORT_VLAN_MAP);
566 		vg->es_member_ports = data1 & 0x3f;
567 		vg->es_untagged_ports = vg->es_member_ports;
568 		vg->es_fid = 0;
569 	} else if (sc->vlan_mode == ETHERSWITCH_VLAN_DOT1Q) {
570 		if (vg->es_vlangroup == 0)
571 			return (0);
572 		vid = e6060sw_read_vtu(dev, vg->es_vlangroup, &data1, &data2);
573 		if (vid > 0) {
574 			vg->es_vid = ETHERSWITCH_VID_VALID;
575 			vg->es_vid |= vid;
576 			vg->es_member_ports = 0;
577 			vg->es_untagged_ports = 0;
578 			for (i = 0; i < 4; ++i) {
579 				tag = data1 >> (i * 4) & 3;
580 				if (tag == 0 || tag == 1) {
581 					vg->es_member_ports |= 1 << i;
582 					vg->es_untagged_ports |= 1 << i;
583 				} else if (tag == 2) {
584 					vg->es_member_ports |= 1 << i;
585 				}
586 			}
587 			for (i = 0; i < 2; ++i) {
588 				tag = data2 >> (i * 4) & 3;
589 				if (tag == 0 || tag == 1) {
590 					vg->es_member_ports |= 1 << (i + 4);
591 					vg->es_untagged_ports |= 1 << (i + 4);
592 				} else if (tag == 2) {
593 					vg->es_member_ports |= 1 << (i + 4);
594 				}
595 			}
596 
597 		}
598 	} else {
599 		vg->es_vid = 0;
600 	}
601 	return (0);
602 }
603 
604 static int
e6060sw_setvgroup(device_t dev,etherswitch_vlangroup_t * vg)605 e6060sw_setvgroup(device_t dev, etherswitch_vlangroup_t *vg)
606 {
607 	struct e6060sw_softc *sc;
608 	int data1, data2;
609 	int i;
610 
611 	sc = device_get_softc(dev);
612 
613 	if (sc->vlan_mode == ETHERSWITCH_VLAN_PORT) {
614 		data1 = MDIO_READREG(device_get_parent(dev),
615 		    CORE_REGISTER + sc->smi_offset + vg->es_vlangroup,
616 		    PORT_VLAN_MAP);
617 		data1 &= ~0x3f;
618 		data1 |= vg->es_member_ports;
619 		MDIO_WRITEREG(device_get_parent(dev),
620 		    CORE_REGISTER + sc->smi_offset + vg->es_vlangroup,
621 		    PORT_VLAN_MAP, data1);
622 	} else if (sc->vlan_mode == ETHERSWITCH_VLAN_DOT1Q) {
623 		if (vg->es_vlangroup == 0)
624 			return (0);
625 		data1 = 0;
626 		data2 = 0;
627 		for (i = 0; i < 6; ++i) {
628 			if (vg->es_member_ports &
629 			    vg->es_untagged_ports & (1 << i)) {
630 				if (i < 4) {
631 					data1 |= (0xd << i * 4);
632 				} else {
633 					data2 |= (0xd << (i - 4) * 4);
634 				}
635 			} else if (vg->es_member_ports & (1 << i)) {
636 				if (i < 4) {
637 					data1 |= (0xe << i * 4);
638 				} else {
639 					data2 |= (0xe << (i - 4) * 4);
640 				}
641 			} else {
642 				if (i < 4) {
643 					data1 |= (0x3 << i * 4);
644 				} else {
645 					data2 |= (0x3 << (i - 4) * 4);
646 				}
647 			}
648 		}
649 		e6060sw_set_vtu(dev, vg->es_vlangroup, data1, data2);
650 	}
651 	return (0);
652 }
653 
654 static void
e6060sw_reset_vlans(device_t dev)655 e6060sw_reset_vlans(device_t dev)
656 {
657 	struct e6060sw_softc *sc;
658 	uint32_t ports;
659 	int i;
660 	int data;
661 
662 	sc = device_get_softc(dev);
663 
664 	for (i = 0; i <= sc->numports; i++) {
665 		ports = (1 << (sc->numports + 1)) - 1;
666 		ports &= ~(1 << i);
667 		if (sc->vlan_mode == ETHERSWITCH_VLAN_PORT) {
668 			data = i << 12;
669 		} else if (sc->vlan_mode == 0) {
670 			data = 1 << 8;
671 		} else {
672 			data = 0;
673 		}
674 		data |= ports;
675 		MDIO_WRITEREG(device_get_parent(dev),
676 		    CORE_REGISTER + sc->smi_offset + i, PORT_VLAN_MAP, data);
677 	}
678 }
679 
680 static void
e6060sw_setup(device_t dev)681 e6060sw_setup(device_t dev)
682 {
683 	struct e6060sw_softc *sc;
684 	int i;
685 	int data;
686 
687 	sc = device_get_softc(dev);
688 
689 	for (i = 0; i <= sc->numports; i++) {
690 		if (sc->sw_model == E6063 || sc->sw_model == E6065) {
691 			data = MDIO_READREG(device_get_parent(dev),
692 			    CORE_REGISTER + sc->smi_offset + i, PORT_VLAN_MAP);
693 			data &= ~(FORCEMAPMASK << FORCEMAPSHIFT);
694 			MDIO_WRITEREG(device_get_parent(dev),
695 			    CORE_REGISTER + sc->smi_offset + i,
696 			    PORT_VLAN_MAP, data);
697 
698 			data = MDIO_READREG(device_get_parent(dev),
699 			    CORE_REGISTER + sc->smi_offset + i, PORT_CONTROL);
700 			data |= 3 << ENGRESSFSHIFT;
701 			MDIO_WRITEREG(device_get_parent(dev),
702 			    CORE_REGISTER + sc->smi_offset + i,
703 			    PORT_CONTROL, data);
704 		}
705 	}
706 }
707 
708 static void
e6060sw_dot1q_mode(device_t dev,int mode)709 e6060sw_dot1q_mode(device_t dev, int mode)
710 {
711 	struct e6060sw_softc *sc;
712 	int i;
713 	int data;
714 
715 	sc = device_get_softc(dev);
716 
717 	for (i = 0; i <= sc->numports; i++) {
718 		data = MDIO_READREG(device_get_parent(dev),
719 		    CORE_REGISTER + sc->smi_offset + i, PORT_CONTROL2);
720 		data &= ~(DOT1QMODEMASK << DOT1QMODESHIFT);
721 		data |= mode << DOT1QMODESHIFT;
722 		MDIO_WRITEREG(device_get_parent(dev),
723 		    CORE_REGISTER + sc->smi_offset + i, PORT_CONTROL2, data);
724 
725 		data = MDIO_READREG(device_get_parent(dev),
726 		    CORE_REGISTER + sc->smi_offset + i,
727 		    PORT_DEFVLAN);
728 		data &= ~0xfff;
729 		data |= 1;
730 		MDIO_WRITEREG(device_get_parent(dev),
731 		    CORE_REGISTER + sc->smi_offset + i,
732 		    PORT_DEFVLAN, data);
733 	}
734 }
735 
736 static int
e6060sw_getconf(device_t dev,etherswitch_conf_t * conf)737 e6060sw_getconf(device_t dev, etherswitch_conf_t *conf)
738 {
739 	struct e6060sw_softc *sc;
740 
741 	sc = device_get_softc(dev);
742 
743 	/* Return the VLAN mode. */
744 	conf->cmd = ETHERSWITCH_CONF_VLAN_MODE;
745 	conf->vlan_mode = sc->vlan_mode;
746 
747 	return (0);
748 }
749 
750 static void
e6060sw_init_vtu(device_t dev)751 e6060sw_init_vtu(device_t dev)
752 {
753 	struct e6060sw_softc *sc;
754 	int busy;
755 
756 	sc = device_get_softc(dev);
757 
758 	MDIO_WRITEREG(device_get_parent(dev), GLOBAL_REGISTER + sc->smi_offset,
759 	    VTU_OPERATION, VTU_BUSY | (VTU_FLASH << 12));
760 	while (1) {
761 		busy = MDIO_READREG(device_get_parent(dev),
762 		    GLOBAL_REGISTER + sc->smi_offset, VTU_OPERATION);
763 		if ((busy & VTU_BUSY) == 0)
764 			break;
765 	}
766 
767 	/* initial member set at vlan 1*/
768 	MDIO_WRITEREG(device_get_parent(dev), GLOBAL_REGISTER + sc->smi_offset,
769 	    VTU_DATA1_REG, 0xcccc);
770 	MDIO_WRITEREG(device_get_parent(dev), GLOBAL_REGISTER + sc->smi_offset,
771 	    VTU_DATA2_REG, 0x00cc);
772 	MDIO_WRITEREG(device_get_parent(dev), GLOBAL_REGISTER + sc->smi_offset,
773 	    VTU_VID_REG, 0x1000 | 1);
774 	MDIO_WRITEREG(device_get_parent(dev), GLOBAL_REGISTER + sc->smi_offset,
775 	    VTU_OPERATION, VTU_BUSY | (VTU_LOAD_PURGE << 12) | 1);
776 	while (1) {
777 		busy = MDIO_READREG(device_get_parent(dev),
778 		    GLOBAL_REGISTER + sc->smi_offset, VTU_OPERATION);
779 		if ((busy & VTU_BUSY) == 0)
780 			break;
781 	}
782 }
783 
784 static void
e6060sw_set_vtu(device_t dev,int num,int data1,int data2)785 e6060sw_set_vtu(device_t dev, int num, int data1, int data2)
786 {
787 	struct e6060sw_softc *sc;
788 	int busy;
789 
790 	sc = device_get_softc(dev);
791 
792 	MDIO_WRITEREG(device_get_parent(dev), GLOBAL_REGISTER + sc->smi_offset,
793 	    VTU_DATA1_REG, data1);
794 	MDIO_WRITEREG(device_get_parent(dev), GLOBAL_REGISTER + sc->smi_offset,
795 	    VTU_DATA2_REG, data2);
796 	MDIO_WRITEREG(device_get_parent(dev), GLOBAL_REGISTER + sc->smi_offset,
797 	    VTU_VID_REG, 0x1000 | num);
798 	MDIO_WRITEREG(device_get_parent(dev), GLOBAL_REGISTER + sc->smi_offset,
799 	    VTU_OPERATION, VTU_BUSY | (VTU_LOAD_PURGE << 12) | num);
800 	while (1) {
801 		busy = MDIO_READREG(device_get_parent(dev),
802 		    GLOBAL_REGISTER + sc->smi_offset, VTU_OPERATION);
803 		if ((busy & VTU_BUSY) == 0)
804 			break;
805 	}
806 
807 }
808 
809 static int
e6060sw_read_vtu(device_t dev,int num,int * data1,int * data2)810 e6060sw_read_vtu(device_t dev, int num, int *data1, int *data2)
811 {
812 	struct e6060sw_softc *sc;
813 	int busy;
814 
815 	sc = device_get_softc(dev);
816 
817 	num = num - 1;
818 
819 	MDIO_WRITEREG(device_get_parent(dev), GLOBAL_REGISTER + sc->smi_offset,
820 	    VTU_VID_REG, num & 0xfff);
821 	/* Get Next */
822 	MDIO_WRITEREG(device_get_parent(dev), GLOBAL_REGISTER + sc->smi_offset,
823 	    VTU_OPERATION, VTU_BUSY | (VTU_GET_NEXT << 12));
824 	while (1) {
825 		busy = MDIO_READREG(device_get_parent(dev),
826 		    GLOBAL_REGISTER + sc->smi_offset, VTU_OPERATION);
827 		if ((busy & VTU_BUSY) == 0)
828 			break;
829 	}
830 
831 	int vid = MDIO_READREG(device_get_parent(dev),
832 	    GLOBAL_REGISTER + sc->smi_offset, VTU_VID_REG);
833 	if (vid & 0x1000) {
834 		*data1 = MDIO_READREG(device_get_parent(dev),
835 		    GLOBAL_REGISTER + sc->smi_offset, VTU_DATA1_REG);
836 		*data2 = MDIO_READREG(device_get_parent(dev),
837 		    GLOBAL_REGISTER + sc->smi_offset, VTU_DATA2_REG);
838 
839 		return (vid & 0xfff);
840 	}
841 
842 	return (-1);
843 }
844 
845 static int
e6060sw_setconf(device_t dev,etherswitch_conf_t * conf)846 e6060sw_setconf(device_t dev, etherswitch_conf_t *conf)
847 {
848 	struct e6060sw_softc *sc;
849 
850 	sc = device_get_softc(dev);
851 
852 	/* Set the VLAN mode. */
853 	if (conf->cmd & ETHERSWITCH_CONF_VLAN_MODE) {
854 		if (conf->vlan_mode == ETHERSWITCH_VLAN_PORT) {
855 			sc->vlan_mode = ETHERSWITCH_VLAN_PORT;
856 			e6060sw_dot1q_mode(dev, DOT1QNONE);
857 			e6060sw_reset_vlans(dev);
858 		} else if ((sc->sw_model == E6063 || sc->sw_model == E6065) &&
859 		    conf->vlan_mode == ETHERSWITCH_VLAN_DOT1Q) {
860 			sc->vlan_mode = ETHERSWITCH_VLAN_DOT1Q;
861 			e6060sw_dot1q_mode(dev, DOT1QSECURE);
862 			e6060sw_init_vtu(dev);
863 		} else {
864 			sc->vlan_mode = 0;
865 			/* Reset VLANs. */
866 			e6060sw_dot1q_mode(dev, DOT1QNONE);
867 			e6060sw_reset_vlans(dev);
868 		}
869 	}
870 
871 	return (0);
872 }
873 
874 static void
e6060sw_statchg(device_t dev)875 e6060sw_statchg(device_t dev)
876 {
877 
878 	DPRINTF(dev, "%s\n", __func__);
879 }
880 
881 static int
e6060sw_ifmedia_upd(if_t ifp)882 e6060sw_ifmedia_upd(if_t ifp)
883 {
884 	struct e6060sw_softc *sc;
885 	struct mii_data *mii;
886 
887 	sc = if_getsoftc(ifp);
888 	mii = e6060sw_miiforport(sc, if_getdunit(ifp));
889 
890 	DPRINTF(sc->sc_dev, "%s\n", __func__);
891 	if (mii == NULL)
892 		return (ENXIO);
893 	mii_mediachg(mii);
894 	return (0);
895 }
896 
897 static void
e6060sw_ifmedia_sts(if_t ifp,struct ifmediareq * ifmr)898 e6060sw_ifmedia_sts(if_t ifp, struct ifmediareq *ifmr)
899 {
900 	struct e6060sw_softc *sc;
901 	struct mii_data *mii;
902 
903 	sc = if_getsoftc(ifp);
904 	mii = e6060sw_miiforport(sc, if_getdunit(ifp));
905 
906 	DPRINTF(sc->sc_dev, "%s\n", __func__);
907 
908 	if (mii == NULL)
909 		return;
910 	mii_pollstat(mii);
911 	ifmr->ifm_active = mii->mii_media_active;
912 	ifmr->ifm_status = mii->mii_media_status;
913 }
914 
915 static int
e6060sw_readphy(device_t dev,int phy,int reg)916 e6060sw_readphy(device_t dev, int phy, int reg)
917 {
918 	struct e6060sw_softc *sc;
919 	int data;
920 
921 	sc = device_get_softc(dev);
922 	E6060SW_LOCK_ASSERT(sc, MA_NOTOWNED);
923 
924 	if (phy < 0 || phy >= 32)
925 		return (ENXIO);
926 	if (reg < 0 || reg >= 32)
927 		return (ENXIO);
928 
929 	E6060SW_LOCK(sc);
930 	data = MDIO_READREG(device_get_parent(dev), phy, reg);
931 	E6060SW_UNLOCK(sc);
932 
933 	return (data);
934 }
935 
936 static int
e6060sw_writephy(device_t dev,int phy,int reg,int data)937 e6060sw_writephy(device_t dev, int phy, int reg, int data)
938 {
939 	struct e6060sw_softc *sc;
940 	int err;
941 
942 	sc = device_get_softc(dev);
943 	E6060SW_LOCK_ASSERT(sc, MA_NOTOWNED);
944 
945 	if (phy < 0 || phy >= 32)
946 		return (ENXIO);
947 	if (reg < 0 || reg >= 32)
948 		return (ENXIO);
949 
950 	E6060SW_LOCK(sc);
951 	err = MDIO_WRITEREG(device_get_parent(dev), phy, reg, data);
952 	E6060SW_UNLOCK(sc);
953 
954 	return (err);
955 }
956 
957 /* addr is 5-8 bit is SMI Device Addres, 0-4 bit is SMI Register Address */
958 
959 static int
e6060sw_readreg(device_t dev,int addr)960 e6060sw_readreg(device_t dev, int addr)
961 {
962 	int devaddr, regaddr;
963 
964 	devaddr = (addr >> 5) & 0x1f;
965 	regaddr = addr & 0x1f;
966 
967 	return MDIO_READREG(device_get_parent(dev), devaddr, regaddr);
968 }
969 
970 /* addr is 5-8 bit is SMI Device Addres, 0-4 bit is SMI Register Address */
971 
972 static int
e6060sw_writereg(device_t dev,int addr,int value)973 e6060sw_writereg(device_t dev, int addr, int value)
974 {
975 	int devaddr, regaddr;
976 
977 	devaddr = (addr >> 5) & 0x1f;
978 	regaddr = addr & 0x1f;
979 
980 	return (MDIO_WRITEREG(device_get_parent(dev), devaddr, regaddr, value));
981 }
982 
983 static device_method_t e6060sw_methods[] = {
984 	/* Device interface */
985 	DEVMETHOD(device_probe,		e6060sw_probe),
986 	DEVMETHOD(device_attach,	e6060sw_attach),
987 	DEVMETHOD(device_detach,	e6060sw_detach),
988 
989 	/* bus interface */
990 	DEVMETHOD(bus_add_child,	device_add_child_ordered),
991 
992 	/* MII interface */
993 	DEVMETHOD(miibus_readreg,	e6060sw_readphy),
994 	DEVMETHOD(miibus_writereg,	e6060sw_writephy),
995 	DEVMETHOD(miibus_statchg,	e6060sw_statchg),
996 
997 	/* MDIO interface */
998 	DEVMETHOD(mdio_readreg,		e6060sw_readphy),
999 	DEVMETHOD(mdio_writereg,	e6060sw_writephy),
1000 
1001 	/* etherswitch interface */
1002 	DEVMETHOD(etherswitch_lock,	e6060sw_lock),
1003 	DEVMETHOD(etherswitch_unlock,	e6060sw_unlock),
1004 	DEVMETHOD(etherswitch_getinfo,	e6060sw_getinfo),
1005 	DEVMETHOD(etherswitch_readreg,	e6060sw_readreg),
1006 	DEVMETHOD(etherswitch_writereg,	e6060sw_writereg),
1007 	DEVMETHOD(etherswitch_readphyreg,	e6060sw_readphy),
1008 	DEVMETHOD(etherswitch_writephyreg,	e6060sw_writephy),
1009 	DEVMETHOD(etherswitch_getport,	e6060sw_getport),
1010 	DEVMETHOD(etherswitch_setport,	e6060sw_setport),
1011 	DEVMETHOD(etherswitch_getvgroup,	e6060sw_getvgroup),
1012 	DEVMETHOD(etherswitch_setvgroup,	e6060sw_setvgroup),
1013 	DEVMETHOD(etherswitch_setconf,	e6060sw_setconf),
1014 	DEVMETHOD(etherswitch_getconf,	e6060sw_getconf),
1015 
1016 	DEVMETHOD_END
1017 };
1018 
1019 DEFINE_CLASS_0(e6060sw, e6060sw_driver, e6060sw_methods,
1020     sizeof(struct e6060sw_softc));
1021 
1022 DRIVER_MODULE(e6060sw, mdio, e6060sw_driver, 0, 0);
1023 DRIVER_MODULE(miibus, e6060sw, miibus_driver, 0, 0);
1024 DRIVER_MODULE(mdio, e6060sw, mdio_driver, 0, 0);
1025 DRIVER_MODULE(etherswitch, e6060sw, etherswitch_driver, 0, 0);
1026 MODULE_VERSION(e6060sw, 1);
1027 MODULE_DEPEND(e6060sw, miibus, 1, 1, 1); /* XXX which versions? */
1028 MODULE_DEPEND(e6060sw, etherswitch, 1, 1, 1); /* XXX which versions? */
1029