xref: /freebsd/sys/dev/etherswitch/e6000sw/e6000sw.c (revision d9f0ce31900a48d1a2bfc1c8c86f79d1e831451a)
1 /*-
2  * Copyright (c) 2015 Semihalf
3  * Copyright (c) 2015 Stormshield
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 
28 #include <sys/cdefs.h>
29 __FBSDID("$FreeBSD$");
30 
31 #include <sys/types.h>
32 #include <sys/param.h>
33 #include <sys/systm.h>
34 #include <sys/sockio.h>
35 #include <sys/kernel.h>
36 #include <sys/kthread.h>
37 #include <sys/socket.h>
38 #include <sys/module.h>
39 #include <sys/errno.h>
40 #include <sys/bus.h>
41 #include <sys/conf.h>
42 #include <sys/uio.h>
43 #include <sys/fcntl.h>
44 
45 #include <net/if.h>
46 #include <net/if_media.h>
47 #include <net/if_types.h>
48 
49 #include <machine/bus.h>
50 #include <machine/resource.h>
51 
52 #include <arm/mv/mvwin.h>
53 #include <arm/mv/mvreg.h>
54 #include <arm/mv/mvvar.h>
55 
56 #include <dev/etherswitch/etherswitch.h>
57 #include <dev/mdio/mdio.h>
58 #include <dev/mii/mii.h>
59 #include <dev/mii/miivar.h>
60 #include <dev/mge/if_mgevar.h>
61 
62 #include "e6000swreg.h"
63 #include "etherswitch_if.h"
64 #include "miibus_if.h"
65 #include "mdio_if.h"
66 
67 MALLOC_DECLARE(M_E6000SW);
68 MALLOC_DEFINE(M_E6000SW, "e6000sw", "e6000sw switch");
69 
70 #define E6000SW_LOCK(_sc)			\
71 	    sx_xlock(&(_sc)->sx)
72 #define E6000SW_UNLOCK(_sc)			\
73 	    sx_unlock(&(_sc)->sx)
74 #define E6000SW_LOCK_ASSERT(_sc, _what)		\
75 	    sx_assert(&(_sc)->sx, (_what))
76 #define E6000SW_TRYLOCK(_sc)			\
77 	    sx_tryxlock(&(_sc)->sx)
78 
79 typedef struct e6000sw_softc {
80 	device_t		dev;
81 
82 	struct sx		sx;
83 	struct ifnet		*ifp[E6000SW_NUM_PHYS];
84 	char			*ifname[E6000SW_NUM_PHYS];
85 	device_t		miibus[E6000SW_NUM_PHYS];
86 	struct mii_data		*mii[E6000SW_NUM_PHYS];
87 	struct callout		tick_callout;
88 
89 	uint32_t		cpuports_mask;
90 
91 	int			vid[E6000SW_NUM_VGROUPS];
92 	int			members[E6000SW_NUM_VGROUPS];
93 	int			vgroup[E6000SW_NUM_PORTS];
94 } e6000sw_softc_t;
95 
96 static etherswitch_info_t etherswitch_info = {
97 	.es_nports =		E6000SW_NUM_PORTS,
98 	.es_nvlangroups =	E6000SW_NUM_VGROUPS,
99 	.es_name =		"Marvell 6000 series switch"
100 };
101 
102 static void e6000sw_identify(driver_t *driver, device_t parent);
103 static int e6000sw_probe(device_t dev);
104 static int e6000sw_attach(device_t dev);
105 static int e6000sw_detach(device_t dev);
106 static int e6000sw_readphy(device_t dev, int phy, int reg);
107 static int e6000sw_writephy(device_t dev, int phy, int reg, int data);
108 static etherswitch_info_t* e6000sw_getinfo(device_t dev);
109 static void e6000sw_lock(device_t dev);
110 static void e6000sw_unlock(device_t dev);
111 static int e6000sw_getport(device_t dev, etherswitch_port_t *p);
112 static int e6000sw_setport(device_t dev, etherswitch_port_t *p);
113 static int e6000sw_readreg_wrapper(device_t dev, int addr_reg);
114 static int e6000sw_writereg_wrapper(device_t dev, int addr_reg, int val);
115 static int e6000sw_readphy_wrapper(device_t dev, int phy, int reg);
116 static int e6000sw_writephy_wrapper(device_t dev, int phy, int reg, int data);
117 static int e6000sw_getvgroup_wrapper(device_t dev, etherswitch_vlangroup_t *vg);
118 static int e6000sw_setvgroup_wrapper(device_t dev, etherswitch_vlangroup_t *vg);
119 static int e6000sw_setvgroup(device_t dev, etherswitch_vlangroup_t *vg);
120 static int e6000sw_getvgroup(device_t dev, etherswitch_vlangroup_t *vg);
121 static void e6000sw_setup(device_t dev, e6000sw_softc_t *sc);
122 static void e6000sw_port_vlan_conf(e6000sw_softc_t *sc);
123 static void e6000sw_tick(void *arg);
124 static void e6000sw_set_atustat(device_t dev, e6000sw_softc_t *sc, int bin,
125     int flag);
126 static int e6000sw_atu_flush(device_t dev, e6000sw_softc_t *sc, int flag);
127 static __inline void e6000sw_writereg(e6000sw_softc_t *sc, int addr, int reg,
128     int val);
129 static __inline uint32_t e6000sw_readreg(e6000sw_softc_t *sc, int addr,
130     int reg);
131 static int e6000sw_ifmedia_upd(struct ifnet *ifp);
132 static void e6000sw_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr);
133 static int e6000sw_atu_mac_table(device_t dev, e6000sw_softc_t *sc, struct
134     atu_opt *atu, int flag);
135 static int e6000sw_get_pvid(e6000sw_softc_t *sc, int port, int *pvid);
136 static int e6000sw_set_pvid(e6000sw_softc_t *sc, int port, int pvid);
137 static __inline int e6000sw_cpuport(e6000sw_softc_t *sc, int port);
138 static __inline struct mii_data *e6000sw_miiforphy(e6000sw_softc_t *sc,
139     unsigned int phy);
140 
141 static struct proc *e6000sw_kproc;
142 
143 static device_method_t e6000sw_methods[] = {
144 	/* device interface */
145 	DEVMETHOD(device_identify,		e6000sw_identify),
146 	DEVMETHOD(device_probe,			e6000sw_probe),
147 	DEVMETHOD(device_attach,		e6000sw_attach),
148 	DEVMETHOD(device_detach,		e6000sw_detach),
149 
150 	/* bus interface */
151 	DEVMETHOD(bus_add_child,		device_add_child_ordered),
152 
153 	/* mii interface */
154 	DEVMETHOD(miibus_readreg,		e6000sw_readphy),
155 	DEVMETHOD(miibus_writereg,		e6000sw_writephy),
156 
157 	/* etherswitch interface */
158 	DEVMETHOD(etherswitch_getinfo,		e6000sw_getinfo),
159 	DEVMETHOD(etherswitch_lock,		e6000sw_lock),
160 	DEVMETHOD(etherswitch_unlock,		e6000sw_unlock),
161 	DEVMETHOD(etherswitch_getport,		e6000sw_getport),
162 	DEVMETHOD(etherswitch_setport,		e6000sw_setport),
163 	DEVMETHOD(etherswitch_readreg,		e6000sw_readreg_wrapper),
164 	DEVMETHOD(etherswitch_writereg,		e6000sw_writereg_wrapper),
165 	DEVMETHOD(etherswitch_readphyreg,	e6000sw_readphy_wrapper),
166 	DEVMETHOD(etherswitch_writephyreg,	e6000sw_writephy_wrapper),
167 	DEVMETHOD(etherswitch_setvgroup,	e6000sw_setvgroup_wrapper),
168 	DEVMETHOD(etherswitch_getvgroup,	e6000sw_getvgroup_wrapper),
169 
170 	DEVMETHOD_END
171 };
172 
173 static devclass_t e6000sw_devclass;
174 
175 DEFINE_CLASS_0(e6000sw, e6000sw_driver, e6000sw_methods,
176     sizeof(e6000sw_softc_t));
177 
178 DRIVER_MODULE(e6000sw, mdio, e6000sw_driver, e6000sw_devclass, 0, 0);
179 DRIVER_MODULE(etherswitch, e6000sw, etherswitch_driver, etherswitch_devclass, 0,
180     0);
181 DRIVER_MODULE(miibus, e6000sw, miibus_driver, miibus_devclass, 0, 0);
182 MODULE_DEPEND(e6000sw, mdio, 1, 1, 1);
183 
184 static void
185 e6000sw_identify(driver_t *driver, device_t parent)
186 {
187 
188 	if (device_find_child(parent, "e6000sw", -1) == NULL)
189 		BUS_ADD_CHILD(parent, 0, "e6000sw", -1);
190 }
191 
192 static int
193 e6000sw_probe(device_t dev)
194 {
195 	e6000sw_softc_t *sc;
196 	const char *description;
197 	unsigned int id;
198 
199 	sc = device_get_softc(dev);
200 	bzero(sc, sizeof(e6000sw_softc_t));
201 	sc->dev = dev;
202 	/* Lock is necessary due to assertions. */
203 	sx_init(&sc->sx, "e6000sw");
204 	E6000SW_LOCK(sc);
205 
206 	id = e6000sw_readreg(sc, REG_PORT(0), SWITCH_ID);
207 
208 	switch (id & 0xfff0) {
209 	case 0x3520:
210 		description = "Marvell 88E6352";
211 		break;
212 	case 0x1720:
213 		description = "Marvell 88E6172";
214 		break;
215 	case 0x1760:
216 		description = "Marvell 88E6176";
217 		break;
218 	default:
219 		E6000SW_UNLOCK(sc);
220 		sx_destroy(&sc->sx);
221 		device_printf(dev, "Unrecognized device.\n");
222 		return (ENXIO);
223 	}
224 
225 	device_set_desc(dev, description);
226 
227 	E6000SW_UNLOCK(sc);
228 
229 	return (BUS_PROBE_DEFAULT);
230 }
231 
232 static int
233 e6000sw_attach(device_t dev)
234 {
235 	e6000sw_softc_t *sc;
236 	int phy, err, port;
237 	char name[IFNAMSIZ];
238 
239 	err = 0;
240 	sc = device_get_softc(dev);
241 	E6000SW_LOCK(sc);
242 	sc->cpuports_mask = E6000SW_CPUPORTS_MASK;
243 	for (port = 0; port < E6000SW_NUM_PORTS; port++)
244 		sc->vgroup[port] = E6000SW_PORT_NO_VGROUP;
245 	e6000sw_setup(dev, sc);
246 
247 	snprintf(name, IFNAMSIZ, "%sport", device_get_nameunit(sc->dev));
248 	for (phy = 0; phy < E6000SW_NUM_PHYS; phy++) {
249 		sc->ifp[phy] = if_alloc(IFT_ETHER);
250 		if (sc->ifp[phy] == NULL)
251 			goto out_fail;
252 		sc->ifp[phy]->if_softc = sc;
253 		sc->ifp[phy]->if_flags |= IFF_UP | IFF_BROADCAST |
254 		    IFF_DRV_RUNNING | IFF_SIMPLEX;
255 		sc->ifname[phy] = malloc(strlen(name) + 1, M_E6000SW, M_WAITOK);
256 		if (sc->ifname[phy] == NULL)
257 			goto out_fail;
258 		bcopy(name, sc->ifname[phy], strlen(name) + 1);
259 		if_initname(sc->ifp[phy], sc->ifname[phy], phy);
260 		err = mii_attach(sc->dev, &sc->miibus[phy], sc->ifp[phy],
261 		    e6000sw_ifmedia_upd, e6000sw_ifmedia_sts, BMSR_DEFCAPMASK,
262 		    phy, MII_OFFSET_ANY, 0);
263 		if (err != 0) {
264 			device_printf(sc->dev,
265 			    "attaching PHY %d failed\n",
266 			    phy);
267 			goto out_fail;
268 		}
269 		sc->mii[phy] = device_get_softc(sc->miibus[phy]);
270 	}
271 	E6000SW_UNLOCK(sc);
272 
273 	bus_generic_probe(dev);
274 	bus_enumerate_hinted_children(dev);
275 	bus_generic_attach(dev);
276 
277 	kproc_create(e6000sw_tick, sc, &e6000sw_kproc, 0, 0,
278 	    "e6000sw tick kproc");
279 
280 	return (0);
281 
282 out_fail:
283 	e6000sw_detach(dev);
284 
285 	return (ENXIO);
286 }
287 
288 static __inline void
289 e6000sw_poll_done(e6000sw_softc_t *sc)
290 {
291 
292 	while (e6000sw_readreg(sc, REG_GLOBAL2, PHY_CMD) &
293 	    (1 << PHY_CMD_SMI_BUSY))
294 		continue;
295 }
296 
297 
298 /*
299  * PHY registers are paged. Put page index in reg 22 (accessible from every
300  * page), then access specific register.
301  */
302 static int
303 e6000sw_readphy(device_t dev, int phy, int reg)
304 {
305 	e6000sw_softc_t *sc;
306 	uint32_t val;
307 
308 	sc = device_get_softc(dev);
309 	val = 0;
310 
311 	if (phy >= E6000SW_NUM_PHYS || reg >= E6000SW_NUM_PHY_REGS) {
312 		device_printf(dev, "Wrong register address.\n");
313 		return (EINVAL);
314 	}
315 
316 	E6000SW_LOCK_ASSERT(sc, SA_XLOCKED);
317 
318 	e6000sw_poll_done(sc);
319 	val |= 1 << PHY_CMD_SMI_BUSY;
320 	val |= PHY_CMD_MODE_MDIO << PHY_CMD_MODE;
321 	val |= PHY_CMD_OPCODE_READ << PHY_CMD_OPCODE;
322 	val |= (reg << PHY_CMD_REG_ADDR) & PHY_CMD_REG_ADDR_MASK;
323 	val |= (phy << PHY_CMD_DEV_ADDR) & PHY_CMD_DEV_ADDR_MASK;
324 	e6000sw_writereg(sc, REG_GLOBAL2, SMI_PHY_CMD_REG, val);
325 	e6000sw_poll_done(sc);
326 	val = e6000sw_readreg(sc, REG_GLOBAL2, SMI_PHY_DATA_REG)
327 		& PHY_DATA_MASK;
328 
329 	return (val);
330 }
331 
332 static int
333 e6000sw_writephy(device_t dev, int phy, int reg, int data)
334 {
335 	e6000sw_softc_t *sc;
336 	uint32_t val;
337 
338 	sc = device_get_softc(dev);
339 	val = 0;
340 
341 	if (phy >= E6000SW_NUM_PHYS || reg >= E6000SW_NUM_PHY_REGS) {
342 		device_printf(dev, "Wrong register address.\n");
343 		return (EINVAL);
344 	}
345 
346 	E6000SW_LOCK_ASSERT(sc, SA_XLOCKED);
347 
348 	e6000sw_poll_done(sc);
349 	val |= PHY_CMD_MODE_MDIO << PHY_CMD_MODE;
350 	val |= 1 << PHY_CMD_SMI_BUSY;
351 	val |= PHY_CMD_OPCODE_WRITE << PHY_CMD_OPCODE;
352 	val |= (reg << PHY_CMD_REG_ADDR) & PHY_CMD_REG_ADDR_MASK;
353 	val |= (phy << PHY_CMD_DEV_ADDR) & PHY_CMD_DEV_ADDR_MASK;
354 	e6000sw_writereg(sc, REG_GLOBAL2, SMI_PHY_DATA_REG,
355 			 data & PHY_DATA_MASK);
356 	e6000sw_writereg(sc, REG_GLOBAL2, SMI_PHY_CMD_REG, val);
357 	e6000sw_poll_done(sc);
358 
359 	return (0);
360 }
361 
362 static int
363 e6000sw_detach(device_t dev)
364 {
365 	int phy;
366 	e6000sw_softc_t *sc;
367 
368 	sc = device_get_softc(dev);
369 	bus_generic_detach(dev);
370 	sx_destroy(&sc->sx);
371 	for (phy = 0; phy < E6000SW_NUM_PHYS; phy++) {
372 		if (sc->miibus[phy] != NULL)
373 			device_delete_child(dev, sc->miibus[phy]);
374 		if (sc->ifp[phy] != NULL)
375 			if_free(sc->ifp[phy]);
376 		if (sc->ifname[phy] != NULL)
377 			free(sc->ifname[phy], M_E6000SW);
378 	}
379 
380 	return (0);
381 }
382 
383 static etherswitch_info_t*
384 e6000sw_getinfo(device_t dev)
385 {
386 
387 	return (&etherswitch_info);
388 }
389 
390 static void
391 e6000sw_lock(device_t dev)
392 {
393 	struct e6000sw_softc *sc;
394 
395 	sc = device_get_softc(dev);
396 
397 	E6000SW_LOCK_ASSERT(sc, SA_UNLOCKED);
398 	E6000SW_LOCK(sc);
399 }
400 
401 static void
402 e6000sw_unlock(device_t dev)
403 {
404 	struct e6000sw_softc *sc;
405 
406 	sc = device_get_softc(dev);
407 
408 	E6000SW_LOCK_ASSERT(sc, SA_XLOCKED);
409 	E6000SW_UNLOCK(sc);
410 }
411 
412 static int
413 e6000sw_getport(device_t dev, etherswitch_port_t *p)
414 {
415 	struct mii_data *mii;
416 	int err;
417 	struct ifmediareq *ifmr;
418 
419 	err = 0;
420 	e6000sw_softc_t *sc = device_get_softc(dev);
421 	E6000SW_LOCK_ASSERT(sc, SA_UNLOCKED);
422 
423 	E6000SW_LOCK(sc);
424 
425 	if (p->es_port >= E6000SW_NUM_PORTS ||
426 	    p->es_port < 0) {
427 		err = EINVAL;
428 		goto out;
429 	}
430 
431 	e6000sw_get_pvid(sc, p->es_port, &p->es_pvid);
432 
433 	if (e6000sw_cpuport(sc, p->es_port)) {
434 		p->es_flags |= ETHERSWITCH_PORT_CPU;
435 		ifmr = &p->es_ifmr;
436 		ifmr->ifm_status = IFM_ACTIVE | IFM_AVALID;
437 		ifmr->ifm_count = 0;
438 		ifmr->ifm_current = ifmr->ifm_active =
439 		    IFM_ETHER | IFM_1000_T | IFM_FDX;
440 		ifmr->ifm_mask = 0;
441 	} else {
442 		mii = e6000sw_miiforphy(sc, p->es_port);
443 		err = ifmedia_ioctl(mii->mii_ifp, &p->es_ifr,
444 		    &mii->mii_media, SIOCGIFMEDIA);
445 	}
446 
447 out:
448 	E6000SW_UNLOCK(sc);
449 	return (err);
450 }
451 
452 static int
453 e6000sw_setport(device_t dev, etherswitch_port_t *p)
454 {
455 	e6000sw_softc_t *sc;
456 	int err;
457 	struct mii_data *mii;
458 
459 	err = 0;
460 	sc = device_get_softc(dev);
461 	E6000SW_LOCK_ASSERT(sc, SA_UNLOCKED);
462 
463 	E6000SW_LOCK(sc);
464 
465 	if (p->es_port >= E6000SW_NUM_PORTS ||
466 	    p->es_port < 0) {
467 		err = EINVAL;
468 		goto out;
469 	}
470 
471 	if (p->es_pvid != 0)
472 		e6000sw_set_pvid(sc, p->es_port, p->es_pvid);
473 	if (!e6000sw_cpuport(sc, p->es_port)) {
474 		mii = e6000sw_miiforphy(sc, p->es_port);
475 		err = ifmedia_ioctl(mii->mii_ifp, &p->es_ifr, &mii->mii_media,
476 		    SIOCSIFMEDIA);
477 	}
478 
479 out:
480 	E6000SW_UNLOCK(sc);
481 	return (err);
482 }
483 
484 /*
485  * Registers in this switch are divided into sections, specified in
486  * documentation. So as to access any of them, section index and reg index
487  * is necessary. etherswitchcfg uses only one variable, so indexes were
488  * compressed into addr_reg: 32 * section_index + reg_index.
489  */
490 static int
491 e6000sw_readreg_wrapper(device_t dev, int addr_reg)
492 {
493 
494 	if ((addr_reg > (REG_GLOBAL2 * 32 + REG_NUM_MAX)) ||
495 	    (addr_reg < (REG_PORT(0) * 32))) {
496 		device_printf(dev, "Wrong register address.\n");
497 		return (EINVAL);
498 	}
499 
500 	return (e6000sw_readreg(device_get_softc(dev), addr_reg / 32,
501 	    addr_reg % 32));
502 }
503 
504 static int
505 e6000sw_writereg_wrapper(device_t dev, int addr_reg, int val)
506 {
507 
508 	if ((addr_reg > (REG_GLOBAL2 * 32 + REG_NUM_MAX)) ||
509 	    (addr_reg < (REG_PORT(0) * 32))) {
510 		device_printf(dev, "Wrong register address.\n");
511 		return (EINVAL);
512 	}
513 	e6000sw_writereg(device_get_softc(dev), addr_reg / 5,
514 	    addr_reg % 32, val);
515 
516 	return (0);
517 }
518 
519 /*
520  * These wrappers are necessary because PHY accesses from etherswitchcfg
521  * need to be synchronized with locks, while miibus PHY accesses do not.
522  */
523 static int
524 e6000sw_readphy_wrapper(device_t dev, int phy, int reg)
525 {
526 	e6000sw_softc_t *sc;
527 	int ret;
528 
529 	sc = device_get_softc(dev);
530 	E6000SW_LOCK_ASSERT(sc, SA_UNLOCKED);
531 
532 	E6000SW_LOCK(sc);
533 	ret = e6000sw_readphy(dev, phy, reg);
534 	E6000SW_UNLOCK(sc);
535 
536 	return (ret);
537 }
538 
539 static int
540 e6000sw_writephy_wrapper(device_t dev, int phy, int reg, int data)
541 {
542 	e6000sw_softc_t *sc;
543 	int ret;
544 
545 	sc = device_get_softc(dev);
546 	E6000SW_LOCK_ASSERT(sc, SA_UNLOCKED);
547 
548 	E6000SW_LOCK(sc);
549 	ret = e6000sw_writephy(dev, phy, reg, data);
550 	E6000SW_UNLOCK(sc);
551 
552 	return (ret);
553 }
554 
555 /*
556  * setvgroup/getvgroup called from etherswitchfcg need to be locked,
557  * while internal calls do not.
558  */
559 static int
560 e6000sw_setvgroup_wrapper(device_t dev, etherswitch_vlangroup_t *vg)
561 {
562 	e6000sw_softc_t *sc;
563 	int ret;
564 
565 	sc = device_get_softc(dev);
566 	E6000SW_LOCK_ASSERT(sc, SA_UNLOCKED);
567 
568 	E6000SW_LOCK(sc);
569 	ret = e6000sw_setvgroup(dev, vg);
570 	E6000SW_UNLOCK(sc);
571 
572 	return (ret);
573 }
574 
575 static int
576 e6000sw_getvgroup_wrapper(device_t dev, etherswitch_vlangroup_t *vg)
577 {
578 	e6000sw_softc_t *sc;
579 	int ret;
580 
581 	sc = device_get_softc(dev);
582 	E6000SW_LOCK_ASSERT(sc, SA_UNLOCKED);
583 
584 	E6000SW_LOCK(sc);
585 	ret = e6000sw_getvgroup(dev, vg);
586 	E6000SW_UNLOCK(sc);
587 
588 	return (ret);
589 }
590 
591 static __inline void
592 e6000sw_flush_port(e6000sw_softc_t *sc, int port)
593 {
594 	uint32_t reg;
595 
596 	reg = e6000sw_readreg(sc, REG_PORT(port),
597 	    PORT_VLAN_MAP);
598 	reg &= ~PORT_VLAN_MAP_TABLE_MASK;
599 	reg &= ~PORT_VLAN_MAP_FID_MASK;
600 	e6000sw_writereg(sc, REG_PORT(port),
601 	    PORT_VLAN_MAP, reg);
602 	if (sc->vgroup[port] != E6000SW_PORT_NO_VGROUP) {
603 		/*
604 		 * If port belonged somewhere, owner-group
605 		 * should have its entry removed.
606 		 */
607 		sc->members[sc->vgroup[port]] &= ~(1 << port);
608 		sc->vgroup[port] = E6000SW_PORT_NO_VGROUP;
609 	}
610 }
611 
612 static __inline void
613 e6000sw_port_assign_vgroup(e6000sw_softc_t *sc, int port, int fid, int vgroup,
614     int members)
615 {
616 	uint32_t reg;
617 
618 	reg = e6000sw_readreg(sc, REG_PORT(port),
619 	    PORT_VLAN_MAP);
620 	reg &= ~PORT_VLAN_MAP_TABLE_MASK;
621 	reg &= ~PORT_VLAN_MAP_FID_MASK;
622 	reg |= members & ~(1 << port);
623 	reg |= (fid << PORT_VLAN_MAP_FID) & PORT_VLAN_MAP_FID_MASK;
624 	e6000sw_writereg(sc, REG_PORT(port), PORT_VLAN_MAP,
625 	    reg);
626 	sc->vgroup[port] = vgroup;
627 }
628 
629 static int
630 e6000sw_setvgroup(device_t dev, etherswitch_vlangroup_t *vg)
631 {
632 	e6000sw_softc_t *sc;
633 	int port, fid;
634 
635 	sc = device_get_softc(dev);
636 	E6000SW_LOCK_ASSERT(sc, SA_XLOCKED);
637 
638 	if (vg->es_vlangroup >= E6000SW_NUM_VGROUPS)
639 		return (EINVAL);
640 	if (vg->es_member_ports != vg->es_untagged_ports) {
641 		device_printf(dev, "Tagged ports not supported.\n");
642 		return (EINVAL);
643 	}
644 
645 	vg->es_untagged_ports &= PORT_VLAN_MAP_TABLE_MASK;
646 	fid = vg->es_vlangroup + 1;
647 	for (port = 0; port < E6000SW_NUM_PORTS; port++) {
648 		if ((sc->members[vg->es_vlangroup] & (1 << port)) ||
649 		    (vg->es_untagged_ports & (1 << port)))
650 			e6000sw_flush_port(sc, port);
651 		if (vg->es_untagged_ports & (1 << port))
652 			e6000sw_port_assign_vgroup(sc, port, fid,
653 			    vg->es_vlangroup, vg->es_untagged_ports);
654 	}
655 	sc->vid[vg->es_vlangroup] = vg->es_vid;
656 	sc->members[vg->es_vlangroup] = vg->es_untagged_ports;
657 
658 	return (0);
659 }
660 
661 static int
662 e6000sw_getvgroup(device_t dev, etherswitch_vlangroup_t *vg)
663 {
664 	e6000sw_softc_t *sc;
665 
666 	sc = device_get_softc(dev);
667 	E6000SW_LOCK_ASSERT(sc, SA_XLOCKED);
668 
669 	if (vg->es_vlangroup >= E6000SW_NUM_VGROUPS)
670 		return (EINVAL);
671 	vg->es_untagged_ports = vg->es_member_ports =
672 	    sc->members[vg->es_vlangroup];
673 	vg->es_vid = ETHERSWITCH_VID_VALID;
674 
675 	return (0);
676 }
677 
678 static __inline struct mii_data*
679 e6000sw_miiforphy(e6000sw_softc_t *sc, unsigned int phy)
680 {
681 
682 	if (phy >= E6000SW_NUM_PHYS)
683 		return (NULL);
684 
685 	return (device_get_softc(sc->miibus[phy]));
686 }
687 
688 static int
689 e6000sw_ifmedia_upd(struct ifnet *ifp)
690 {
691 	e6000sw_softc_t *sc;
692 	struct mii_data *mii;
693 
694 	sc = ifp->if_softc;
695 	mii = e6000sw_miiforphy(sc, ifp->if_dunit);
696 	if (mii == NULL)
697 		return (ENXIO);
698 	mii_mediachg(mii);
699 
700 	return (0);
701 }
702 
703 static void
704 e6000sw_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr)
705 {
706 	e6000sw_softc_t *sc;
707 	struct mii_data *mii;
708 
709 	sc = ifp->if_softc;
710 	mii = e6000sw_miiforphy(sc, ifp->if_dunit);
711 
712 	if (mii == NULL)
713 		return;
714 
715 	mii_pollstat(mii);
716 	ifmr->ifm_active = mii->mii_media_active;
717 	ifmr->ifm_status = mii->mii_media_status;
718 }
719 
720 static __inline uint32_t
721 e6000sw_readreg(e6000sw_softc_t *sc, int addr, int reg)
722 {
723 
724 	E6000SW_LOCK_ASSERT(sc, SA_XLOCKED);
725 
726 	return (MDIO_READREG(device_get_parent(sc->dev), addr, reg));
727 }
728 
729 static __inline void
730 e6000sw_writereg(e6000sw_softc_t *sc, int addr, int reg, int val)
731 {
732 
733 	E6000SW_LOCK_ASSERT(sc, SA_XLOCKED);
734 
735 	MDIO_WRITEREG(device_get_parent(sc->dev), addr, reg, val);
736 }
737 
738 static __inline int
739 e6000sw_cpuport(e6000sw_softc_t *sc, int port)
740 {
741 
742 	return (sc->cpuports_mask & (1 << port));
743 }
744 
745 static __inline int
746 e6000sw_set_pvid(e6000sw_softc_t *sc, int port, int pvid)
747 {
748 
749 	e6000sw_writereg(sc, REG_PORT(port), PORT_VID, pvid &
750 	    PORT_VID_DEF_VID_MASK);
751 
752 	return (0);
753 }
754 
755 static __inline int
756 e6000sw_get_pvid(e6000sw_softc_t *sc, int port, int *pvid)
757 {
758 
759 	if (pvid == NULL)
760 		return (ENXIO);
761 
762 	*pvid = e6000sw_readreg(sc, REG_PORT(port), PORT_VID) &
763 	    PORT_VID_DEF_VID_MASK;
764 
765 	return (0);
766 }
767 
768 static void
769 e6000sw_tick (void *arg)
770 {
771 	e6000sw_softc_t *sc;
772 	struct mii_softc *miisc;
773 	int i;
774 
775 	sc = arg;
776 
777 	E6000SW_LOCK_ASSERT(sc, SA_UNLOCKED);
778 	for (;;) {
779 		E6000SW_LOCK(sc);
780 		for (i = 0; i < E6000SW_NUM_PHYS; i++) {
781 			mii_tick(sc->mii[i]);
782 			LIST_FOREACH(miisc, &sc->mii[i]->mii_phys, mii_list) {
783 				if (IFM_INST(sc->mii[i]->mii_media.ifm_cur->ifm_media)
784 				    != miisc->mii_inst)
785 					continue;
786 				mii_phy_update(miisc, MII_POLLSTAT);
787 			}
788 		}
789 		E6000SW_UNLOCK(sc);
790 		pause("e6000sw tick", 1000);
791 	}
792 }
793 
794 static void
795 e6000sw_setup(device_t dev, e6000sw_softc_t *sc)
796 {
797 	uint16_t atu_ctrl, atu_age;
798 
799 	/* Set aging time */
800 	e6000sw_writereg(sc, REG_GLOBAL, ATU_CONTROL,
801 	    (E6000SW_DEFAULT_AGETIME << ATU_CONTROL_AGETIME) |
802 	    (1 << ATU_CONTROL_LEARN2ALL));
803 
804 	/* Send all with specific mac address to cpu port */
805 	e6000sw_writereg(sc, REG_GLOBAL2, MGMT_EN_2x, MGMT_EN_ALL);
806 	e6000sw_writereg(sc, REG_GLOBAL2, MGMT_EN_0x, MGMT_EN_ALL);
807 
808 	/* Disable Remote Managment */
809 	e6000sw_writereg(sc, REG_GLOBAL, SWITCH_GLOBAL_CONTROL2, 0);
810 
811 	/* Disable loopback filter and flow control messages */
812 	e6000sw_writereg(sc, REG_GLOBAL2, SWITCH_MGMT,
813 	    SWITCH_MGMT_PRI_MASK |
814 	    (1 << SWITCH_MGMT_RSVD2CPU) |
815 	    SWITCH_MGMT_FC_PRI_MASK |
816 	    (1 << SWITCH_MGMT_FORCEFLOW));
817 
818 	/* Set VLAN configuration */
819 	e6000sw_port_vlan_conf(sc);
820 
821 	e6000sw_atu_flush(dev, sc, NO_OPERATION);
822 	e6000sw_atu_mac_table(dev, sc, NULL, NO_OPERATION);
823 	e6000sw_set_atustat(dev, sc, 0, COUNT_ALL);
824 
825 	/* Set ATU AgeTime to 15 seconds */
826 	atu_age = 1;
827 
828 	atu_ctrl = e6000sw_readreg(sc, REG_GLOBAL, ATU_CONTROL);
829 
830 	/* Set new AgeTime field */
831 	atu_ctrl &= ~ATU_CONTROL_AGETIME_MASK;
832 	e6000sw_writereg(sc, REG_GLOBAL, ATU_CONTROL, atu_ctrl |
833 	    (atu_age << ATU_CONTROL_AGETIME));
834 }
835 
836 static void
837 e6000sw_port_vlan_conf(e6000sw_softc_t *sc)
838 {
839 	int port, ret;
840 	etherswitch_vlangroup_t vg;
841 	device_t dev;
842 
843 	dev = sc->dev;
844 	/* Disable all ports */
845 	for (port = 0; port < E6000SW_NUM_PORTS; port++) {
846 		ret = e6000sw_readreg(sc, REG_PORT(port), PORT_CONTROL);
847 		e6000sw_writereg(sc, REG_PORT(port), PORT_CONTROL,
848 		    (ret & ~PORT_CONTROL_ENABLE));
849 	}
850 
851 	/* Set port priority */
852 	for (port = 0; port < E6000SW_NUM_PORTS; port++) {
853 		ret = e6000sw_readreg(sc, REG_PORT(port), PORT_VID);
854 		ret &= ~PORT_VID_PRIORITY_MASK;
855 		e6000sw_writereg(sc, REG_PORT(port), PORT_VID, ret);
856 	}
857 
858 	vg.es_vlangroup = 0;
859 	vg.es_vid = 0;
860 	vg.es_member_ports = vg.es_untagged_ports = E6000SW_DEF_VLANGROUP0;
861 	e6000sw_setvgroup(dev, &vg);
862 	vg.es_vlangroup = 1;
863 	vg.es_vid = 1;
864 	vg.es_member_ports = vg.es_untagged_ports = E6000SW_DEF_VLANGROUP1;
865 	e6000sw_setvgroup(dev, &vg);
866 
867 	device_printf(dev, "Default vlangroups set.\n");
868 	/* Set VID map */
869 	for (port = 0; port < E6000SW_NUM_PORTS; port++) {
870 		ret = e6000sw_readreg(sc, REG_PORT(port), PORT_VID);
871 		ret &= ~PORT_VID_DEF_VID_MASK;
872 		ret |= (port + 1);
873 		e6000sw_writereg(sc, REG_PORT(port), PORT_VID, ret);
874 	}
875 
876 	/* Enable all ports */
877 	for (port = 0; port < E6000SW_NUM_PORTS; port++) {
878 		ret = e6000sw_readreg(sc, REG_PORT(port), PORT_CONTROL);
879 		e6000sw_writereg(sc, REG_PORT(port), PORT_CONTROL, (ret |
880 		    PORT_CONTROL_ENABLE));
881 	}
882 }
883 
884 static void
885 e6000sw_set_atustat(device_t dev, e6000sw_softc_t *sc, int bin, int flag)
886 {
887 	uint16_t ret;
888 
889 	ret = e6000sw_readreg(sc, REG_GLOBAL2, ATU_STATS);
890 	e6000sw_writereg(sc, REG_GLOBAL2, ATU_STATS, (bin << ATU_STATS_BIN ) |
891 	    (flag << ATU_STATS_FLAG));
892 }
893 
894 static int
895 e6000sw_atu_mac_table(device_t dev, e6000sw_softc_t *sc, struct atu_opt *atu,
896     int flag)
897 {
898 	uint16_t ret_opt;
899 	uint16_t ret_data;
900 	int retries;
901 
902 	if (flag == NO_OPERATION)
903 		return (0);
904 	else if ((flag & (LOAD_FROM_FIB | PURGE_FROM_FIB | GET_NEXT_IN_FIB |
905 	    GET_VIOLATION_DATA | CLEAR_VIOLATION_DATA)) == 0) {
906 		device_printf(dev, "Wrong Opcode for ATU operation\n");
907 		return (EINVAL);
908 	}
909 
910 	ret_opt = e6000sw_readreg(sc, REG_GLOBAL, ATU_OPERATION);
911 
912 	if (ret_opt & ATU_UNIT_BUSY) {
913 		device_printf(dev, "ATU unit is busy, cannot access"
914 		    "register\n");
915 		return (EBUSY);
916 	} else {
917 		if(flag & LOAD_FROM_FIB) {
918 			ret_data = e6000sw_readreg(sc, REG_GLOBAL, ATU_DATA);
919 			e6000sw_writereg(sc, REG_GLOBAL2, ATU_DATA, (ret_data &
920 			    ~ENTRY_STATE));
921 		}
922 		e6000sw_writereg(sc, REG_GLOBAL, ATU_MAC_ADDR01, atu->mac_01);
923 		e6000sw_writereg(sc, REG_GLOBAL, ATU_MAC_ADDR23, atu->mac_23);
924 		e6000sw_writereg(sc, REG_GLOBAL, ATU_MAC_ADDR45, atu->mac_45);
925 		e6000sw_writereg(sc, REG_GLOBAL, ATU_FID, atu->fid);
926 
927 		e6000sw_writereg(sc, REG_GLOBAL, ATU_OPERATION, (ret_opt |
928 		    ATU_UNIT_BUSY | flag));
929 
930 		retries = E6000SW_RETRIES;
931 		while (--retries & (e6000sw_readreg(sc, REG_GLOBAL,
932 		    ATU_OPERATION) & ATU_UNIT_BUSY))
933 			DELAY(1);
934 
935 		if (retries == 0)
936 			device_printf(dev, "Timeout while flushing\n");
937 		else if (flag & GET_NEXT_IN_FIB) {
938 			atu->mac_01 = e6000sw_readreg(sc, REG_GLOBAL,
939 			    ATU_MAC_ADDR01);
940 			atu->mac_23 = e6000sw_readreg(sc, REG_GLOBAL,
941 			    ATU_MAC_ADDR23);
942 			atu->mac_45 = e6000sw_readreg(sc, REG_GLOBAL,
943 			    ATU_MAC_ADDR45);
944 		}
945 	}
946 
947 	return (0);
948 }
949 
950 static int
951 e6000sw_atu_flush(device_t dev, e6000sw_softc_t *sc, int flag)
952 {
953 	uint16_t ret;
954 	int retries;
955 
956 	if (flag == NO_OPERATION)
957 		return (0);
958 
959 	ret = e6000sw_readreg(sc, REG_GLOBAL, ATU_OPERATION);
960 	if (ret & ATU_UNIT_BUSY) {
961 		device_printf(dev, "Atu unit is busy, cannot flush\n");
962 		return (EBUSY);
963 	} else {
964 		e6000sw_writereg(sc, REG_GLOBAL, ATU_OPERATION, (ret |
965 		    ATU_UNIT_BUSY | flag));
966 		retries = E6000SW_RETRIES;
967 		while (--retries & (e6000sw_readreg(sc, REG_GLOBAL,
968 		    ATU_OPERATION) & ATU_UNIT_BUSY))
969 			DELAY(1);
970 
971 		if (retries == 0)
972 			device_printf(dev, "Timeout while flushing\n");
973 	}
974 
975 	return (0);
976 }
977