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ip17x.c (302408) ip17x.c (305614)
1/*-
2 * Copyright (c) 2013 Luiz Otavio O Souza.
3 * Copyright (c) 2011-2012 Stefan Bethke.
4 * Copyright (c) 2012 Adrian Chadd.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 *
1/*-
2 * Copyright (c) 2013 Luiz Otavio O Souza.
3 * Copyright (c) 2011-2012 Stefan Bethke.
4 * Copyright (c) 2012 Adrian Chadd.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 *
28 * $FreeBSD: stable/11/sys/dev/etherswitch/ip17x/ip17x.c 292738 2015-12-26 02:31:39Z adrian $
28 * $FreeBSD: stable/11/sys/dev/etherswitch/ip17x/ip17x.c 305614 2016-09-08 15:05:25Z pfg $
29 */
30
31#include <sys/param.h>
32#include <sys/bus.h>
33#include <sys/errno.h>
34#include <sys/kernel.h>
35#include <sys/lock.h>
36#include <sys/malloc.h>
37#include <sys/module.h>
38#include <sys/mutex.h>
39#include <sys/socket.h>
40#include <sys/sockio.h>
41#include <sys/sysctl.h>
42#include <sys/systm.h>
43#include <sys/types.h>
44
45#include <net/if.h>
46#include <net/ethernet.h>
47#include <net/if_media.h>
48#include <net/if_types.h>
49#include <net/if_var.h>
50
51#include <machine/bus.h>
52#include <dev/mii/mii.h>
53#include <dev/mii/miivar.h>
54#include <dev/mdio/mdio.h>
55
56#include <dev/etherswitch/etherswitch.h>
57#include <dev/etherswitch/ip17x/ip17x_phy.h>
58#include <dev/etherswitch/ip17x/ip17x_reg.h>
59#include <dev/etherswitch/ip17x/ip17x_var.h>
60#include <dev/etherswitch/ip17x/ip17x_vlans.h>
61#include <dev/etherswitch/ip17x/ip175c.h>
62#include <dev/etherswitch/ip17x/ip175d.h>
63
64#include "mdio_if.h"
65#include "miibus_if.h"
66#include "etherswitch_if.h"
67
68MALLOC_DECLARE(M_IP17X);
69MALLOC_DEFINE(M_IP17X, "ip17x", "ip17x data structures");
70
71static void ip17x_tick(void *);
72static int ip17x_ifmedia_upd(struct ifnet *);
73static void ip17x_ifmedia_sts(struct ifnet *, struct ifmediareq *);
74
75static int
76ip17x_probe(device_t dev)
77{
78 struct ip17x_softc *sc;
79 uint32_t oui, model, phy_id1, phy_id2;
80
81 sc = device_get_softc(dev);
82
83 /* Read ID from PHY 0. */
84 phy_id1 = MDIO_READREG(device_get_parent(dev), 0, MII_PHYIDR1);
85 phy_id2 = MDIO_READREG(device_get_parent(dev), 0, MII_PHYIDR2);
86
29 */
30
31#include <sys/param.h>
32#include <sys/bus.h>
33#include <sys/errno.h>
34#include <sys/kernel.h>
35#include <sys/lock.h>
36#include <sys/malloc.h>
37#include <sys/module.h>
38#include <sys/mutex.h>
39#include <sys/socket.h>
40#include <sys/sockio.h>
41#include <sys/sysctl.h>
42#include <sys/systm.h>
43#include <sys/types.h>
44
45#include <net/if.h>
46#include <net/ethernet.h>
47#include <net/if_media.h>
48#include <net/if_types.h>
49#include <net/if_var.h>
50
51#include <machine/bus.h>
52#include <dev/mii/mii.h>
53#include <dev/mii/miivar.h>
54#include <dev/mdio/mdio.h>
55
56#include <dev/etherswitch/etherswitch.h>
57#include <dev/etherswitch/ip17x/ip17x_phy.h>
58#include <dev/etherswitch/ip17x/ip17x_reg.h>
59#include <dev/etherswitch/ip17x/ip17x_var.h>
60#include <dev/etherswitch/ip17x/ip17x_vlans.h>
61#include <dev/etherswitch/ip17x/ip175c.h>
62#include <dev/etherswitch/ip17x/ip175d.h>
63
64#include "mdio_if.h"
65#include "miibus_if.h"
66#include "etherswitch_if.h"
67
68MALLOC_DECLARE(M_IP17X);
69MALLOC_DEFINE(M_IP17X, "ip17x", "ip17x data structures");
70
71static void ip17x_tick(void *);
72static int ip17x_ifmedia_upd(struct ifnet *);
73static void ip17x_ifmedia_sts(struct ifnet *, struct ifmediareq *);
74
75static int
76ip17x_probe(device_t dev)
77{
78 struct ip17x_softc *sc;
79 uint32_t oui, model, phy_id1, phy_id2;
80
81 sc = device_get_softc(dev);
82
83 /* Read ID from PHY 0. */
84 phy_id1 = MDIO_READREG(device_get_parent(dev), 0, MII_PHYIDR1);
85 phy_id2 = MDIO_READREG(device_get_parent(dev), 0, MII_PHYIDR2);
86
87 oui = MII_OUI(phy_id1, phy_id2),
87 oui = MII_OUI(phy_id1, phy_id2);
88 model = MII_MODEL(phy_id2);
89 /* We only care about IC+ devices. */
90 if (oui != IP17X_OUI) {
91 device_printf(dev,
92 "Unsupported IC+ switch. Unknown OUI: %#x\n", oui);
93 return (ENXIO);
94 }
95
96 switch (model) {
97 case IP17X_IP175A:
98 sc->sc_switchtype = IP17X_SWITCH_IP175A;
99 break;
100 case IP17X_IP175C:
101 sc->sc_switchtype = IP17X_SWITCH_IP175C;
102 break;
103 default:
104 device_printf(dev, "Unsupported IC+ switch model: %#x\n",
105 model);
106 return (ENXIO);
107 }
108
109 /* IP175D has a specific ID register. */
110 model = MDIO_READREG(device_get_parent(dev), IP175D_ID_PHY,
111 IP175D_ID_REG);
112 if (model == 0x175d)
113 sc->sc_switchtype = IP17X_SWITCH_IP175D;
114 else {
115 /* IP178 has more PHYs. Try it. */
116 model = MDIO_READREG(device_get_parent(dev), 5, MII_PHYIDR1);
117 if (phy_id1 == model)
118 sc->sc_switchtype = IP17X_SWITCH_IP178C;
119 }
120
121 device_set_desc_copy(dev, "IC+ IP17x switch driver");
122 return (BUS_PROBE_DEFAULT);
123}
124
125static int
126ip17x_attach_phys(struct ip17x_softc *sc)
127{
128 int err, phy, port;
129 char name[IFNAMSIZ];
130
131 port = err = 0;
132
133 /* PHYs need an interface, so we generate a dummy one */
134 snprintf(name, IFNAMSIZ, "%sport", device_get_nameunit(sc->sc_dev));
135 for (phy = 0; phy < MII_NPHY; phy++) {
136 if (((1 << phy) & sc->phymask) == 0)
137 continue;
138 sc->phyport[phy] = port;
139 sc->portphy[port] = phy;
140 sc->ifp[port] = if_alloc(IFT_ETHER);
141 sc->ifp[port]->if_softc = sc;
142 sc->ifp[port]->if_flags |= IFF_UP | IFF_BROADCAST |
143 IFF_DRV_RUNNING | IFF_SIMPLEX;
144 if_initname(sc->ifp[port], name, port);
145 sc->miibus[port] = malloc(sizeof(device_t), M_IP17X,
146 M_WAITOK | M_ZERO);
147 err = mii_attach(sc->sc_dev, sc->miibus[port], sc->ifp[port],
148 ip17x_ifmedia_upd, ip17x_ifmedia_sts, \
149 BMSR_DEFCAPMASK, phy, MII_OFFSET_ANY, 0);
150 DPRINTF(sc->sc_dev, "%s attached to pseudo interface %s\n",
151 device_get_nameunit(*sc->miibus[port]),
152 sc->ifp[port]->if_xname);
153 if (err != 0) {
154 device_printf(sc->sc_dev,
155 "attaching PHY %d failed\n",
156 phy);
157 break;
158 }
159 sc->info.es_nports = port + 1;
160 if (++port >= sc->numports)
161 break;
162 }
163 return (err);
164}
165
166static int
167ip17x_attach(device_t dev)
168{
169 struct ip17x_softc *sc;
170 int err;
171
172 sc = device_get_softc(dev);
173
174 sc->sc_dev = dev;
175 mtx_init(&sc->sc_mtx, "ip17x", NULL, MTX_DEF);
176 strlcpy(sc->info.es_name, device_get_desc(dev),
177 sizeof(sc->info.es_name));
178
179 /* XXX Defaults */
180 sc->phymask = 0x0f;
181 sc->media = 100;
182
183 (void) resource_int_value(device_get_name(dev), device_get_unit(dev),
184 "phymask", &sc->phymask);
185
186 /* Number of vlans supported by the switch. */
187 sc->info.es_nvlangroups = IP17X_MAX_VLANS;
188
189 /* Attach the switch related functions. */
190 if (IP17X_IS_SWITCH(sc, IP175C))
191 ip175c_attach(sc);
192 else if (IP17X_IS_SWITCH(sc, IP175D))
193 ip175d_attach(sc);
194 else
195 /* We don't have support to all the models yet :-/ */
196 return (ENXIO);
197
198 /* Always attach the cpu port. */
199 sc->phymask |= (1 << sc->cpuport);
200
201 sc->ifp = malloc(sizeof(struct ifnet *) * sc->numports, M_IP17X,
202 M_WAITOK | M_ZERO);
203 sc->pvid = malloc(sizeof(uint32_t) * sc->numports, M_IP17X,
204 M_WAITOK | M_ZERO);
205 sc->miibus = malloc(sizeof(device_t *) * sc->numports, M_IP17X,
206 M_WAITOK | M_ZERO);
207 sc->portphy = malloc(sizeof(int) * sc->numports, M_IP17X,
208 M_WAITOK | M_ZERO);
209
210 /* Initialize the switch. */
211 sc->hal.ip17x_reset(sc);
212
213 /*
214 * Attach the PHYs and complete the bus enumeration.
215 */
216 err = ip17x_attach_phys(sc);
217 if (err != 0)
218 return (err);
219
220 /*
221 * Set the switch to port based vlans or disabled (if not supported
222 * on this model).
223 */
224 sc->hal.ip17x_set_vlan_mode(sc, ETHERSWITCH_VLAN_PORT);
225
226 bus_generic_probe(dev);
227 bus_enumerate_hinted_children(dev);
228 err = bus_generic_attach(dev);
229 if (err != 0)
230 return (err);
231
232 callout_init(&sc->callout_tick, 0);
233
234 ip17x_tick(sc);
235
236 return (0);
237}
238
239static int
240ip17x_detach(device_t dev)
241{
242 struct ip17x_softc *sc;
243 int i, port;
244
245 sc = device_get_softc(dev);
246 callout_drain(&sc->callout_tick);
247
248 for (i=0; i < MII_NPHY; i++) {
249 if (((1 << i) & sc->phymask) == 0)
250 continue;
251 port = sc->phyport[i];
252 if (sc->miibus[port] != NULL)
253 device_delete_child(dev, (*sc->miibus[port]));
254 if (sc->ifp[port] != NULL)
255 if_free(sc->ifp[port]);
256 free(sc->miibus[port], M_IP17X);
257 }
258
259 free(sc->portphy, M_IP17X);
260 free(sc->miibus, M_IP17X);
261 free(sc->pvid, M_IP17X);
262 free(sc->ifp, M_IP17X);
263
264 /* Reset the switch. */
265 sc->hal.ip17x_reset(sc);
266
267 bus_generic_detach(dev);
268 mtx_destroy(&sc->sc_mtx);
269
270 return (0);
271}
272
273static inline struct mii_data *
274ip17x_miiforport(struct ip17x_softc *sc, int port)
275{
276
277 if (port < 0 || port > sc->numports)
278 return (NULL);
279 return (device_get_softc(*sc->miibus[port]));
280}
281
282static inline struct ifnet *
283ip17x_ifpforport(struct ip17x_softc *sc, int port)
284{
285
286 if (port < 0 || port > sc->numports)
287 return (NULL);
288 return (sc->ifp[port]);
289}
290
291/*
292 * Poll the status for all PHYs.
293 */
294static void
295ip17x_miipollstat(struct ip17x_softc *sc)
296{
297 struct mii_softc *miisc;
298 struct mii_data *mii;
299 int i, port;
300
301 IP17X_LOCK_ASSERT(sc, MA_NOTOWNED);
302
303 for (i = 0; i < MII_NPHY; i++) {
304 if (((1 << i) & sc->phymask) == 0)
305 continue;
306 port = sc->phyport[i];
307 if ((*sc->miibus[port]) == NULL)
308 continue;
309 mii = device_get_softc(*sc->miibus[port]);
310 LIST_FOREACH(miisc, &mii->mii_phys, mii_list) {
311 if (IFM_INST(mii->mii_media.ifm_cur->ifm_media) !=
312 miisc->mii_inst)
313 continue;
314 ukphy_status(miisc);
315 mii_phy_update(miisc, MII_POLLSTAT);
316 }
317 }
318}
319
320static void
321ip17x_tick(void *arg)
322{
323 struct ip17x_softc *sc;
324
325 sc = arg;
326 ip17x_miipollstat(sc);
327 callout_reset(&sc->callout_tick, hz, ip17x_tick, sc);
328}
329
330static void
331ip17x_lock(device_t dev)
332{
333 struct ip17x_softc *sc;
334
335 sc = device_get_softc(dev);
336 IP17X_LOCK_ASSERT(sc, MA_NOTOWNED);
337 IP17X_LOCK(sc);
338}
339
340static void
341ip17x_unlock(device_t dev)
342{
343 struct ip17x_softc *sc;
344
345 sc = device_get_softc(dev);
346 IP17X_LOCK_ASSERT(sc, MA_OWNED);
347 IP17X_UNLOCK(sc);
348}
349
350static etherswitch_info_t *
351ip17x_getinfo(device_t dev)
352{
353 struct ip17x_softc *sc;
354
355 sc = device_get_softc(dev);
356 return (&sc->info);
357}
358
359static int
360ip17x_getport(device_t dev, etherswitch_port_t *p)
361{
362 struct ip17x_softc *sc;
363 struct ifmediareq *ifmr;
364 struct mii_data *mii;
365 int err, phy;
366
367 sc = device_get_softc(dev);
368 if (p->es_port < 0 || p->es_port >= sc->numports)
369 return (ENXIO);
370
371 phy = sc->portphy[p->es_port];
372
373 /* Retrieve the PVID. */
374 p->es_pvid = sc->pvid[phy];
375
376 /* Port flags. */
377 if (sc->addtag & (1 << phy))
378 p->es_flags |= ETHERSWITCH_PORT_ADDTAG;
379 if (sc->striptag & (1 << phy))
380 p->es_flags |= ETHERSWITCH_PORT_STRIPTAG;
381
382 ifmr = &p->es_ifmr;
383
384 /* No media settings ? */
385 if (p->es_ifmr.ifm_count == 0)
386 return (0);
387
388 mii = ip17x_miiforport(sc, p->es_port);
389 if (mii == NULL)
390 return (ENXIO);
391 if (phy == sc->cpuport) {
392 /* fill in fixed values for CPU port */
393 p->es_flags |= ETHERSWITCH_PORT_CPU;
394 ifmr->ifm_count = 0;
395 if (sc->media == 100)
396 ifmr->ifm_current = ifmr->ifm_active =
397 IFM_ETHER | IFM_100_TX | IFM_FDX;
398 else
399 ifmr->ifm_current = ifmr->ifm_active =
400 IFM_ETHER | IFM_1000_T | IFM_FDX;
401 ifmr->ifm_mask = 0;
402 ifmr->ifm_status = IFM_ACTIVE | IFM_AVALID;
403 } else {
404 err = ifmedia_ioctl(mii->mii_ifp, &p->es_ifr,
405 &mii->mii_media, SIOCGIFMEDIA);
406 if (err)
407 return (err);
408 }
409 return (0);
410}
411
412static int
413ip17x_setport(device_t dev, etherswitch_port_t *p)
414{
415 struct ip17x_softc *sc;
416 struct ifmedia *ifm;
417 struct ifnet *ifp;
418 struct mii_data *mii;
419 int phy;
420
421 sc = device_get_softc(dev);
422 if (p->es_port < 0 || p->es_port >= sc->numports)
423 return (ENXIO);
424
425 phy = sc->portphy[p->es_port];
426 ifp = ip17x_ifpforport(sc, p->es_port);
427 mii = ip17x_miiforport(sc, p->es_port);
428 if (ifp == NULL || mii == NULL)
429 return (ENXIO);
430
431 /* Port flags. */
432 if (sc->vlan_mode == ETHERSWITCH_VLAN_DOT1Q) {
433
434 /* Set the PVID. */
435 if (p->es_pvid != 0) {
436 if (IP17X_IS_SWITCH(sc, IP175C) &&
437 p->es_pvid > IP175C_LAST_VLAN)
438 return (ENXIO);
439 sc->pvid[phy] = p->es_pvid;
440 }
441
442 /* Mutually exclusive. */
443 if (p->es_flags & ETHERSWITCH_PORT_ADDTAG &&
444 p->es_flags & ETHERSWITCH_PORT_STRIPTAG)
445 return (EINVAL);
446
447 /* Reset the settings for this port. */
448 sc->addtag &= ~(1 << phy);
449 sc->striptag &= ~(1 << phy);
450
451 /* And then set it to the new value. */
452 if (p->es_flags & ETHERSWITCH_PORT_ADDTAG)
453 sc->addtag |= (1 << phy);
454 if (p->es_flags & ETHERSWITCH_PORT_STRIPTAG)
455 sc->striptag |= (1 << phy);
456 }
457
458 /* Update the switch configuration. */
459 if (sc->hal.ip17x_hw_setup(sc))
460 return (ENXIO);
461
462 /* Do not allow media changes on CPU port. */
463 if (phy == sc->cpuport)
464 return (0);
465
466 /* No media settings ? */
467 if (p->es_ifmr.ifm_count == 0)
468 return (0);
469
470 ifm = &mii->mii_media;
471 return (ifmedia_ioctl(ifp, &p->es_ifr, ifm, SIOCSIFMEDIA));
472}
473
474static void
475ip17x_statchg(device_t dev)
476{
477
478 DPRINTF(dev, "%s\n", __func__);
479}
480
481static int
482ip17x_ifmedia_upd(struct ifnet *ifp)
483{
484 struct ip17x_softc *sc;
485 struct mii_data *mii;
486
487 sc = ifp->if_softc;
488 DPRINTF(sc->sc_dev, "%s\n", __func__);
489 mii = ip17x_miiforport(sc, ifp->if_dunit);
490 if (mii == NULL)
491 return (ENXIO);
492 mii_mediachg(mii);
493
494 return (0);
495}
496
497static void
498ip17x_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr)
499{
500 struct ip17x_softc *sc;
501 struct mii_data *mii;
502
503 sc = ifp->if_softc;
504 DPRINTF(sc->sc_dev, "%s\n", __func__);
505 mii = ip17x_miiforport(sc, ifp->if_dunit);
506 if (mii == NULL)
507 return;
508 mii_pollstat(mii);
509 ifmr->ifm_active = mii->mii_media_active;
510 ifmr->ifm_status = mii->mii_media_status;
511}
512
513static int
514ip17x_readreg(device_t dev, int addr)
515{
516 struct ip17x_softc *sc;
517
518 sc = device_get_softc(dev);
519 IP17X_LOCK_ASSERT(sc, MA_OWNED);
520
521 /* Not supported. */
522 return (0);
523}
524
525static int
526ip17x_writereg(device_t dev, int addr, int value)
527{
528 struct ip17x_softc *sc;
529
530 sc = device_get_softc(dev);
531 IP17X_LOCK_ASSERT(sc, MA_OWNED);
532
533 /* Not supported. */
534 return (0);
535}
536
537static int
538ip17x_getconf(device_t dev, etherswitch_conf_t *conf)
539{
540 struct ip17x_softc *sc;
541
542 sc = device_get_softc(dev);
543
544 /* Return the VLAN mode. */
545 conf->cmd = ETHERSWITCH_CONF_VLAN_MODE;
546 conf->vlan_mode = sc->hal.ip17x_get_vlan_mode(sc);
547
548 return (0);
549}
550
551static int
552ip17x_setconf(device_t dev, etherswitch_conf_t *conf)
553{
554 struct ip17x_softc *sc;
555
556 sc = device_get_softc(dev);
557
558 /* Set the VLAN mode. */
559 if (conf->cmd & ETHERSWITCH_CONF_VLAN_MODE)
560 sc->hal.ip17x_set_vlan_mode(sc, conf->vlan_mode);
561
562 return (0);
563}
564
565static device_method_t ip17x_methods[] = {
566 /* Device interface */
567 DEVMETHOD(device_probe, ip17x_probe),
568 DEVMETHOD(device_attach, ip17x_attach),
569 DEVMETHOD(device_detach, ip17x_detach),
570
571 /* bus interface */
572 DEVMETHOD(bus_add_child, device_add_child_ordered),
573
574 /* MII interface */
575 DEVMETHOD(miibus_readreg, ip17x_readphy),
576 DEVMETHOD(miibus_writereg, ip17x_writephy),
577 DEVMETHOD(miibus_statchg, ip17x_statchg),
578
579 /* MDIO interface */
580 DEVMETHOD(mdio_readreg, ip17x_readphy),
581 DEVMETHOD(mdio_writereg, ip17x_writephy),
582
583 /* etherswitch interface */
584 DEVMETHOD(etherswitch_lock, ip17x_lock),
585 DEVMETHOD(etherswitch_unlock, ip17x_unlock),
586 DEVMETHOD(etherswitch_getinfo, ip17x_getinfo),
587 DEVMETHOD(etherswitch_readreg, ip17x_readreg),
588 DEVMETHOD(etherswitch_writereg, ip17x_writereg),
589 DEVMETHOD(etherswitch_readphyreg, ip17x_readphy),
590 DEVMETHOD(etherswitch_writephyreg, ip17x_writephy),
591 DEVMETHOD(etherswitch_getport, ip17x_getport),
592 DEVMETHOD(etherswitch_setport, ip17x_setport),
593 DEVMETHOD(etherswitch_getvgroup, ip17x_getvgroup),
594 DEVMETHOD(etherswitch_setvgroup, ip17x_setvgroup),
595 DEVMETHOD(etherswitch_getconf, ip17x_getconf),
596 DEVMETHOD(etherswitch_setconf, ip17x_setconf),
597
598 DEVMETHOD_END
599};
600
601DEFINE_CLASS_0(ip17x, ip17x_driver, ip17x_methods,
602 sizeof(struct ip17x_softc));
603static devclass_t ip17x_devclass;
604
605DRIVER_MODULE(ip17x, mdio, ip17x_driver, ip17x_devclass, 0, 0);
606DRIVER_MODULE(miibus, ip17x, miibus_driver, miibus_devclass, 0, 0);
607DRIVER_MODULE(mdio, ip17x, mdio_driver, mdio_devclass, 0, 0);
608DRIVER_MODULE(etherswitch, ip17x, etherswitch_driver, etherswitch_devclass, 0, 0);
609MODULE_VERSION(ip17x, 1);
610MODULE_DEPEND(ip17x, miibus, 1, 1, 1); /* XXX which versions? */
611MODULE_DEPEND(ip17x, etherswitch, 1, 1, 1); /* XXX which versions? */
88 model = MII_MODEL(phy_id2);
89 /* We only care about IC+ devices. */
90 if (oui != IP17X_OUI) {
91 device_printf(dev,
92 "Unsupported IC+ switch. Unknown OUI: %#x\n", oui);
93 return (ENXIO);
94 }
95
96 switch (model) {
97 case IP17X_IP175A:
98 sc->sc_switchtype = IP17X_SWITCH_IP175A;
99 break;
100 case IP17X_IP175C:
101 sc->sc_switchtype = IP17X_SWITCH_IP175C;
102 break;
103 default:
104 device_printf(dev, "Unsupported IC+ switch model: %#x\n",
105 model);
106 return (ENXIO);
107 }
108
109 /* IP175D has a specific ID register. */
110 model = MDIO_READREG(device_get_parent(dev), IP175D_ID_PHY,
111 IP175D_ID_REG);
112 if (model == 0x175d)
113 sc->sc_switchtype = IP17X_SWITCH_IP175D;
114 else {
115 /* IP178 has more PHYs. Try it. */
116 model = MDIO_READREG(device_get_parent(dev), 5, MII_PHYIDR1);
117 if (phy_id1 == model)
118 sc->sc_switchtype = IP17X_SWITCH_IP178C;
119 }
120
121 device_set_desc_copy(dev, "IC+ IP17x switch driver");
122 return (BUS_PROBE_DEFAULT);
123}
124
125static int
126ip17x_attach_phys(struct ip17x_softc *sc)
127{
128 int err, phy, port;
129 char name[IFNAMSIZ];
130
131 port = err = 0;
132
133 /* PHYs need an interface, so we generate a dummy one */
134 snprintf(name, IFNAMSIZ, "%sport", device_get_nameunit(sc->sc_dev));
135 for (phy = 0; phy < MII_NPHY; phy++) {
136 if (((1 << phy) & sc->phymask) == 0)
137 continue;
138 sc->phyport[phy] = port;
139 sc->portphy[port] = phy;
140 sc->ifp[port] = if_alloc(IFT_ETHER);
141 sc->ifp[port]->if_softc = sc;
142 sc->ifp[port]->if_flags |= IFF_UP | IFF_BROADCAST |
143 IFF_DRV_RUNNING | IFF_SIMPLEX;
144 if_initname(sc->ifp[port], name, port);
145 sc->miibus[port] = malloc(sizeof(device_t), M_IP17X,
146 M_WAITOK | M_ZERO);
147 err = mii_attach(sc->sc_dev, sc->miibus[port], sc->ifp[port],
148 ip17x_ifmedia_upd, ip17x_ifmedia_sts, \
149 BMSR_DEFCAPMASK, phy, MII_OFFSET_ANY, 0);
150 DPRINTF(sc->sc_dev, "%s attached to pseudo interface %s\n",
151 device_get_nameunit(*sc->miibus[port]),
152 sc->ifp[port]->if_xname);
153 if (err != 0) {
154 device_printf(sc->sc_dev,
155 "attaching PHY %d failed\n",
156 phy);
157 break;
158 }
159 sc->info.es_nports = port + 1;
160 if (++port >= sc->numports)
161 break;
162 }
163 return (err);
164}
165
166static int
167ip17x_attach(device_t dev)
168{
169 struct ip17x_softc *sc;
170 int err;
171
172 sc = device_get_softc(dev);
173
174 sc->sc_dev = dev;
175 mtx_init(&sc->sc_mtx, "ip17x", NULL, MTX_DEF);
176 strlcpy(sc->info.es_name, device_get_desc(dev),
177 sizeof(sc->info.es_name));
178
179 /* XXX Defaults */
180 sc->phymask = 0x0f;
181 sc->media = 100;
182
183 (void) resource_int_value(device_get_name(dev), device_get_unit(dev),
184 "phymask", &sc->phymask);
185
186 /* Number of vlans supported by the switch. */
187 sc->info.es_nvlangroups = IP17X_MAX_VLANS;
188
189 /* Attach the switch related functions. */
190 if (IP17X_IS_SWITCH(sc, IP175C))
191 ip175c_attach(sc);
192 else if (IP17X_IS_SWITCH(sc, IP175D))
193 ip175d_attach(sc);
194 else
195 /* We don't have support to all the models yet :-/ */
196 return (ENXIO);
197
198 /* Always attach the cpu port. */
199 sc->phymask |= (1 << sc->cpuport);
200
201 sc->ifp = malloc(sizeof(struct ifnet *) * sc->numports, M_IP17X,
202 M_WAITOK | M_ZERO);
203 sc->pvid = malloc(sizeof(uint32_t) * sc->numports, M_IP17X,
204 M_WAITOK | M_ZERO);
205 sc->miibus = malloc(sizeof(device_t *) * sc->numports, M_IP17X,
206 M_WAITOK | M_ZERO);
207 sc->portphy = malloc(sizeof(int) * sc->numports, M_IP17X,
208 M_WAITOK | M_ZERO);
209
210 /* Initialize the switch. */
211 sc->hal.ip17x_reset(sc);
212
213 /*
214 * Attach the PHYs and complete the bus enumeration.
215 */
216 err = ip17x_attach_phys(sc);
217 if (err != 0)
218 return (err);
219
220 /*
221 * Set the switch to port based vlans or disabled (if not supported
222 * on this model).
223 */
224 sc->hal.ip17x_set_vlan_mode(sc, ETHERSWITCH_VLAN_PORT);
225
226 bus_generic_probe(dev);
227 bus_enumerate_hinted_children(dev);
228 err = bus_generic_attach(dev);
229 if (err != 0)
230 return (err);
231
232 callout_init(&sc->callout_tick, 0);
233
234 ip17x_tick(sc);
235
236 return (0);
237}
238
239static int
240ip17x_detach(device_t dev)
241{
242 struct ip17x_softc *sc;
243 int i, port;
244
245 sc = device_get_softc(dev);
246 callout_drain(&sc->callout_tick);
247
248 for (i=0; i < MII_NPHY; i++) {
249 if (((1 << i) & sc->phymask) == 0)
250 continue;
251 port = sc->phyport[i];
252 if (sc->miibus[port] != NULL)
253 device_delete_child(dev, (*sc->miibus[port]));
254 if (sc->ifp[port] != NULL)
255 if_free(sc->ifp[port]);
256 free(sc->miibus[port], M_IP17X);
257 }
258
259 free(sc->portphy, M_IP17X);
260 free(sc->miibus, M_IP17X);
261 free(sc->pvid, M_IP17X);
262 free(sc->ifp, M_IP17X);
263
264 /* Reset the switch. */
265 sc->hal.ip17x_reset(sc);
266
267 bus_generic_detach(dev);
268 mtx_destroy(&sc->sc_mtx);
269
270 return (0);
271}
272
273static inline struct mii_data *
274ip17x_miiforport(struct ip17x_softc *sc, int port)
275{
276
277 if (port < 0 || port > sc->numports)
278 return (NULL);
279 return (device_get_softc(*sc->miibus[port]));
280}
281
282static inline struct ifnet *
283ip17x_ifpforport(struct ip17x_softc *sc, int port)
284{
285
286 if (port < 0 || port > sc->numports)
287 return (NULL);
288 return (sc->ifp[port]);
289}
290
291/*
292 * Poll the status for all PHYs.
293 */
294static void
295ip17x_miipollstat(struct ip17x_softc *sc)
296{
297 struct mii_softc *miisc;
298 struct mii_data *mii;
299 int i, port;
300
301 IP17X_LOCK_ASSERT(sc, MA_NOTOWNED);
302
303 for (i = 0; i < MII_NPHY; i++) {
304 if (((1 << i) & sc->phymask) == 0)
305 continue;
306 port = sc->phyport[i];
307 if ((*sc->miibus[port]) == NULL)
308 continue;
309 mii = device_get_softc(*sc->miibus[port]);
310 LIST_FOREACH(miisc, &mii->mii_phys, mii_list) {
311 if (IFM_INST(mii->mii_media.ifm_cur->ifm_media) !=
312 miisc->mii_inst)
313 continue;
314 ukphy_status(miisc);
315 mii_phy_update(miisc, MII_POLLSTAT);
316 }
317 }
318}
319
320static void
321ip17x_tick(void *arg)
322{
323 struct ip17x_softc *sc;
324
325 sc = arg;
326 ip17x_miipollstat(sc);
327 callout_reset(&sc->callout_tick, hz, ip17x_tick, sc);
328}
329
330static void
331ip17x_lock(device_t dev)
332{
333 struct ip17x_softc *sc;
334
335 sc = device_get_softc(dev);
336 IP17X_LOCK_ASSERT(sc, MA_NOTOWNED);
337 IP17X_LOCK(sc);
338}
339
340static void
341ip17x_unlock(device_t dev)
342{
343 struct ip17x_softc *sc;
344
345 sc = device_get_softc(dev);
346 IP17X_LOCK_ASSERT(sc, MA_OWNED);
347 IP17X_UNLOCK(sc);
348}
349
350static etherswitch_info_t *
351ip17x_getinfo(device_t dev)
352{
353 struct ip17x_softc *sc;
354
355 sc = device_get_softc(dev);
356 return (&sc->info);
357}
358
359static int
360ip17x_getport(device_t dev, etherswitch_port_t *p)
361{
362 struct ip17x_softc *sc;
363 struct ifmediareq *ifmr;
364 struct mii_data *mii;
365 int err, phy;
366
367 sc = device_get_softc(dev);
368 if (p->es_port < 0 || p->es_port >= sc->numports)
369 return (ENXIO);
370
371 phy = sc->portphy[p->es_port];
372
373 /* Retrieve the PVID. */
374 p->es_pvid = sc->pvid[phy];
375
376 /* Port flags. */
377 if (sc->addtag & (1 << phy))
378 p->es_flags |= ETHERSWITCH_PORT_ADDTAG;
379 if (sc->striptag & (1 << phy))
380 p->es_flags |= ETHERSWITCH_PORT_STRIPTAG;
381
382 ifmr = &p->es_ifmr;
383
384 /* No media settings ? */
385 if (p->es_ifmr.ifm_count == 0)
386 return (0);
387
388 mii = ip17x_miiforport(sc, p->es_port);
389 if (mii == NULL)
390 return (ENXIO);
391 if (phy == sc->cpuport) {
392 /* fill in fixed values for CPU port */
393 p->es_flags |= ETHERSWITCH_PORT_CPU;
394 ifmr->ifm_count = 0;
395 if (sc->media == 100)
396 ifmr->ifm_current = ifmr->ifm_active =
397 IFM_ETHER | IFM_100_TX | IFM_FDX;
398 else
399 ifmr->ifm_current = ifmr->ifm_active =
400 IFM_ETHER | IFM_1000_T | IFM_FDX;
401 ifmr->ifm_mask = 0;
402 ifmr->ifm_status = IFM_ACTIVE | IFM_AVALID;
403 } else {
404 err = ifmedia_ioctl(mii->mii_ifp, &p->es_ifr,
405 &mii->mii_media, SIOCGIFMEDIA);
406 if (err)
407 return (err);
408 }
409 return (0);
410}
411
412static int
413ip17x_setport(device_t dev, etherswitch_port_t *p)
414{
415 struct ip17x_softc *sc;
416 struct ifmedia *ifm;
417 struct ifnet *ifp;
418 struct mii_data *mii;
419 int phy;
420
421 sc = device_get_softc(dev);
422 if (p->es_port < 0 || p->es_port >= sc->numports)
423 return (ENXIO);
424
425 phy = sc->portphy[p->es_port];
426 ifp = ip17x_ifpforport(sc, p->es_port);
427 mii = ip17x_miiforport(sc, p->es_port);
428 if (ifp == NULL || mii == NULL)
429 return (ENXIO);
430
431 /* Port flags. */
432 if (sc->vlan_mode == ETHERSWITCH_VLAN_DOT1Q) {
433
434 /* Set the PVID. */
435 if (p->es_pvid != 0) {
436 if (IP17X_IS_SWITCH(sc, IP175C) &&
437 p->es_pvid > IP175C_LAST_VLAN)
438 return (ENXIO);
439 sc->pvid[phy] = p->es_pvid;
440 }
441
442 /* Mutually exclusive. */
443 if (p->es_flags & ETHERSWITCH_PORT_ADDTAG &&
444 p->es_flags & ETHERSWITCH_PORT_STRIPTAG)
445 return (EINVAL);
446
447 /* Reset the settings for this port. */
448 sc->addtag &= ~(1 << phy);
449 sc->striptag &= ~(1 << phy);
450
451 /* And then set it to the new value. */
452 if (p->es_flags & ETHERSWITCH_PORT_ADDTAG)
453 sc->addtag |= (1 << phy);
454 if (p->es_flags & ETHERSWITCH_PORT_STRIPTAG)
455 sc->striptag |= (1 << phy);
456 }
457
458 /* Update the switch configuration. */
459 if (sc->hal.ip17x_hw_setup(sc))
460 return (ENXIO);
461
462 /* Do not allow media changes on CPU port. */
463 if (phy == sc->cpuport)
464 return (0);
465
466 /* No media settings ? */
467 if (p->es_ifmr.ifm_count == 0)
468 return (0);
469
470 ifm = &mii->mii_media;
471 return (ifmedia_ioctl(ifp, &p->es_ifr, ifm, SIOCSIFMEDIA));
472}
473
474static void
475ip17x_statchg(device_t dev)
476{
477
478 DPRINTF(dev, "%s\n", __func__);
479}
480
481static int
482ip17x_ifmedia_upd(struct ifnet *ifp)
483{
484 struct ip17x_softc *sc;
485 struct mii_data *mii;
486
487 sc = ifp->if_softc;
488 DPRINTF(sc->sc_dev, "%s\n", __func__);
489 mii = ip17x_miiforport(sc, ifp->if_dunit);
490 if (mii == NULL)
491 return (ENXIO);
492 mii_mediachg(mii);
493
494 return (0);
495}
496
497static void
498ip17x_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr)
499{
500 struct ip17x_softc *sc;
501 struct mii_data *mii;
502
503 sc = ifp->if_softc;
504 DPRINTF(sc->sc_dev, "%s\n", __func__);
505 mii = ip17x_miiforport(sc, ifp->if_dunit);
506 if (mii == NULL)
507 return;
508 mii_pollstat(mii);
509 ifmr->ifm_active = mii->mii_media_active;
510 ifmr->ifm_status = mii->mii_media_status;
511}
512
513static int
514ip17x_readreg(device_t dev, int addr)
515{
516 struct ip17x_softc *sc;
517
518 sc = device_get_softc(dev);
519 IP17X_LOCK_ASSERT(sc, MA_OWNED);
520
521 /* Not supported. */
522 return (0);
523}
524
525static int
526ip17x_writereg(device_t dev, int addr, int value)
527{
528 struct ip17x_softc *sc;
529
530 sc = device_get_softc(dev);
531 IP17X_LOCK_ASSERT(sc, MA_OWNED);
532
533 /* Not supported. */
534 return (0);
535}
536
537static int
538ip17x_getconf(device_t dev, etherswitch_conf_t *conf)
539{
540 struct ip17x_softc *sc;
541
542 sc = device_get_softc(dev);
543
544 /* Return the VLAN mode. */
545 conf->cmd = ETHERSWITCH_CONF_VLAN_MODE;
546 conf->vlan_mode = sc->hal.ip17x_get_vlan_mode(sc);
547
548 return (0);
549}
550
551static int
552ip17x_setconf(device_t dev, etherswitch_conf_t *conf)
553{
554 struct ip17x_softc *sc;
555
556 sc = device_get_softc(dev);
557
558 /* Set the VLAN mode. */
559 if (conf->cmd & ETHERSWITCH_CONF_VLAN_MODE)
560 sc->hal.ip17x_set_vlan_mode(sc, conf->vlan_mode);
561
562 return (0);
563}
564
565static device_method_t ip17x_methods[] = {
566 /* Device interface */
567 DEVMETHOD(device_probe, ip17x_probe),
568 DEVMETHOD(device_attach, ip17x_attach),
569 DEVMETHOD(device_detach, ip17x_detach),
570
571 /* bus interface */
572 DEVMETHOD(bus_add_child, device_add_child_ordered),
573
574 /* MII interface */
575 DEVMETHOD(miibus_readreg, ip17x_readphy),
576 DEVMETHOD(miibus_writereg, ip17x_writephy),
577 DEVMETHOD(miibus_statchg, ip17x_statchg),
578
579 /* MDIO interface */
580 DEVMETHOD(mdio_readreg, ip17x_readphy),
581 DEVMETHOD(mdio_writereg, ip17x_writephy),
582
583 /* etherswitch interface */
584 DEVMETHOD(etherswitch_lock, ip17x_lock),
585 DEVMETHOD(etherswitch_unlock, ip17x_unlock),
586 DEVMETHOD(etherswitch_getinfo, ip17x_getinfo),
587 DEVMETHOD(etherswitch_readreg, ip17x_readreg),
588 DEVMETHOD(etherswitch_writereg, ip17x_writereg),
589 DEVMETHOD(etherswitch_readphyreg, ip17x_readphy),
590 DEVMETHOD(etherswitch_writephyreg, ip17x_writephy),
591 DEVMETHOD(etherswitch_getport, ip17x_getport),
592 DEVMETHOD(etherswitch_setport, ip17x_setport),
593 DEVMETHOD(etherswitch_getvgroup, ip17x_getvgroup),
594 DEVMETHOD(etherswitch_setvgroup, ip17x_setvgroup),
595 DEVMETHOD(etherswitch_getconf, ip17x_getconf),
596 DEVMETHOD(etherswitch_setconf, ip17x_setconf),
597
598 DEVMETHOD_END
599};
600
601DEFINE_CLASS_0(ip17x, ip17x_driver, ip17x_methods,
602 sizeof(struct ip17x_softc));
603static devclass_t ip17x_devclass;
604
605DRIVER_MODULE(ip17x, mdio, ip17x_driver, ip17x_devclass, 0, 0);
606DRIVER_MODULE(miibus, ip17x, miibus_driver, miibus_devclass, 0, 0);
607DRIVER_MODULE(mdio, ip17x, mdio_driver, mdio_devclass, 0, 0);
608DRIVER_MODULE(etherswitch, ip17x, etherswitch_driver, etherswitch_devclass, 0, 0);
609MODULE_VERSION(ip17x, 1);
610MODULE_DEPEND(ip17x, miibus, 1, 1, 1); /* XXX which versions? */
611MODULE_DEPEND(ip17x, etherswitch, 1, 1, 1); /* XXX which versions? */