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switch: improve error handling in robo_probe()
[openwrt/staging/yousong.git] / package / switch / src / switch-robo.c
1 /*
2 * Broadcom BCM5325E/536x switch configuration module
3 *
4 * Copyright (C) 2005 Felix Fietkau <nbd@nbd.name>
5 * Copyright (C) 2008 Michael Buesch <mb@bu3sch.de>
6 * Based on 'robocfg' by Oleg I. Vdovikin
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License
10 * as published by the Free Software Foundation; either version 2
11 * of the License, or (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
21 * 02110-1301, USA.
22 */
23
24 #include <linux/module.h>
25 #include <linux/init.h>
26 #include <linux/if.h>
27 #include <linux/if_arp.h>
28 #include <linux/sockios.h>
29 #include <linux/ethtool.h>
30 #include <linux/mii.h>
31 #include <linux/delay.h>
32 #include <asm/uaccess.h>
33
34 #include "switch-core.h"
35 #include "etc53xx.h"
36
37 #ifdef CONFIG_BCM47XX
38 #include <bcm47xx_nvram.h>
39 #endif
40
41 #define DRIVER_NAME "bcm53xx"
42 #define DRIVER_VERSION "0.02"
43 #define PFX "roboswitch: "
44
45 #define ROBO_PHY_ADDR 0x1E /* robo switch phy address */
46 #define ROBO_PHY_ADDR_TG3 0x01 /* Tigon3 PHY address */
47 #define ROBO_PHY_ADDR_BCM63XX 0x00 /* BCM63XX PHY address */
48
49 /* MII registers */
50 #define REG_MII_PAGE 0x10 /* MII Page register */
51 #define REG_MII_ADDR 0x11 /* MII Address register */
52 #define REG_MII_DATA0 0x18 /* MII Data register 0 */
53
54 #define REG_MII_PAGE_ENABLE 1
55 #define REG_MII_ADDR_WRITE 1
56 #define REG_MII_ADDR_READ 2
57
58 /* Robo device ID register (in ROBO_MGMT_PAGE) */
59 #define ROBO_DEVICE_ID 0x30
60 #define ROBO_DEVICE_ID_5325 0x25 /* Faked */
61 #define ROBO_DEVICE_ID_5395 0x95
62 #define ROBO_DEVICE_ID_5397 0x97
63 #define ROBO_DEVICE_ID_5398 0x98
64 #define ROBO_DEVICE_ID_53115 0x3115
65
66 /* Private et.o ioctls */
67 #define SIOCGETCPHYRD (SIOCDEVPRIVATE + 9)
68 #define SIOCSETCPHYWR (SIOCDEVPRIVATE + 10)
69
70 /* Data structure for a Roboswitch device. */
71 struct robo_switch {
72 char *device; /* The device name string (ethX) */
73 u16 devid; /* ROBO_DEVICE_ID_53xx */
74 bool is_5350;
75 u8 gmii; /* gigabit mii */
76 struct ifreq ifr;
77 struct net_device *dev;
78 unsigned char port[6];
79 };
80
81 /* Currently we can only have one device in the system. */
82 static struct robo_switch robo;
83
84
85 static int do_ioctl(int cmd)
86 {
87 mm_segment_t old_fs = get_fs();
88 int ret;
89
90 set_fs(KERNEL_DS);
91 ret = robo.dev->netdev_ops->ndo_do_ioctl(robo.dev, &robo.ifr, cmd);
92 set_fs(old_fs);
93
94 return ret;
95 }
96
97 static u16 mdio_read(__u16 phy_id, __u8 reg)
98 {
99 struct mii_ioctl_data *mii = if_mii(&robo.ifr);
100 int err;
101
102 mii->phy_id = phy_id;
103 mii->reg_num = reg;
104
105 err = do_ioctl(SIOCGMIIREG);
106 if (err < 0) {
107 printk(KERN_ERR PFX "failed to read mdio reg %i with err %i.\n", reg, err);
108
109 return 0xffff;
110 }
111
112 return mii->val_out;
113 }
114
115 static void mdio_write(__u16 phy_id, __u8 reg, __u16 val)
116 {
117 struct mii_ioctl_data *mii = if_mii(&robo.ifr);
118 int err;
119
120 mii->phy_id = phy_id;
121 mii->reg_num = reg;
122 mii->val_in = val;
123
124 err = do_ioctl(SIOCSMIIREG);
125 if (err < 0) {
126 printk(KERN_ERR PFX "failed to write mdio reg: %i with err %i.\n", reg, err);
127 return;
128 }
129 }
130
131 static int robo_reg(__u8 page, __u8 reg, __u8 op)
132 {
133 int i = 3;
134
135 /* set page number */
136 mdio_write(ROBO_PHY_ADDR, REG_MII_PAGE,
137 (page << 8) | REG_MII_PAGE_ENABLE);
138
139 /* set register address */
140 mdio_write(ROBO_PHY_ADDR, REG_MII_ADDR,
141 (reg << 8) | op);
142
143 /* check if operation completed */
144 while (i--) {
145 if ((mdio_read(ROBO_PHY_ADDR, REG_MII_ADDR) & 3) == 0)
146 return 0;
147 }
148
149 printk(KERN_ERR PFX "timeout in robo_reg on page %i and reg %i with op %i.\n", page, reg, op);
150
151 return 1;
152 }
153
154 /*
155 static void robo_read(__u8 page, __u8 reg, __u16 *val, int count)
156 {
157 int i;
158
159 robo_reg(page, reg, REG_MII_ADDR_READ);
160
161 for (i = 0; i < count; i++)
162 val[i] = mdio_read(ROBO_PHY_ADDR, REG_MII_DATA0 + i);
163 }
164 */
165
166 static __u16 robo_read16(__u8 page, __u8 reg)
167 {
168 robo_reg(page, reg, REG_MII_ADDR_READ);
169
170 return mdio_read(ROBO_PHY_ADDR, REG_MII_DATA0);
171 }
172
173 static __u32 robo_read32(__u8 page, __u8 reg)
174 {
175 robo_reg(page, reg, REG_MII_ADDR_READ);
176
177 return mdio_read(ROBO_PHY_ADDR, REG_MII_DATA0) |
178 (mdio_read(ROBO_PHY_ADDR, REG_MII_DATA0 + 1) << 16);
179 }
180
181 static void robo_write16(__u8 page, __u8 reg, __u16 val16)
182 {
183 /* write data */
184 mdio_write(ROBO_PHY_ADDR, REG_MII_DATA0, val16);
185
186 robo_reg(page, reg, REG_MII_ADDR_WRITE);
187 }
188
189 static void robo_write32(__u8 page, __u8 reg, __u32 val32)
190 {
191 /* write data */
192 mdio_write(ROBO_PHY_ADDR, REG_MII_DATA0, val32 & 0xFFFF);
193 mdio_write(ROBO_PHY_ADDR, REG_MII_DATA0 + 1, val32 >> 16);
194
195 robo_reg(page, reg, REG_MII_ADDR_WRITE);
196 }
197
198 /* checks that attached switch is 5325/5352/5354/5356/5357/53115 */
199 static int robo_vlan5350(__u32 phyid)
200 {
201 /* set vlan access id to 15 and read it back */
202 __u16 val16 = 15;
203 robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS_5350, val16);
204
205 /* 5365 will refuse this as it does not have this reg */
206 if (robo_read16(ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS_5350) != val16)
207 return 0;
208 /* gigabit ? */
209 if (mdio_read(0, ROBO_MII_STAT) & 0x0100)
210 robo.gmii = ((mdio_read(0, 0x0f) & 0xf000) != 0);
211 /* 53115 ? */
212 if (robo.gmii && robo_read32(ROBO_STAT_PAGE, ROBO_LSA_IM_PORT) != 0) {
213 robo_write16(ROBO_ARLIO_PAGE, ROBO_VTBL_INDX_5395, val16);
214 robo_write16(ROBO_ARLIO_PAGE, ROBO_VTBL_ACCESS_5395,
215 (1 << 7) /* start */ | 1 /* read */);
216 if (robo_read16(ROBO_ARLIO_PAGE, ROBO_VTBL_ACCESS_5395) == 1 &&
217 robo_read16(ROBO_ARLIO_PAGE, ROBO_VTBL_INDX_5395) == val16)
218 return 4;
219 }
220 /* dirty trick for 5356/5357 */
221 if ((phyid & 0xfff0ffff ) == 0x5da00362 ||
222 (phyid & 0xfff0ffff ) == 0x5e000362)
223 return 3;
224 /* 5325/5352/5354*/
225 return 1;
226 }
227
228 static int robo_switch_enable(void)
229 {
230 unsigned int i, last_port;
231 u16 val;
232 #ifdef CONFIG_BCM47XX
233 char buf[20];
234 #endif
235
236 val = robo_read16(ROBO_CTRL_PAGE, ROBO_SWITCH_MODE);
237 if (!(val & (1 << 1))) {
238 /* Unmanaged mode */
239 val &= ~(1 << 0);
240 /* With forwarding */
241 val |= (1 << 1);
242 robo_write16(ROBO_CTRL_PAGE, ROBO_SWITCH_MODE, val);
243 val = robo_read16(ROBO_CTRL_PAGE, ROBO_SWITCH_MODE);
244 if (!(val & (1 << 1))) {
245 printk(KERN_ERR PFX "Failed to enable switch\n");
246 return -EBUSY;
247 }
248
249 last_port = (robo.devid == ROBO_DEVICE_ID_5398) ?
250 ROBO_PORT6_CTRL : ROBO_PORT3_CTRL;
251 for (i = ROBO_PORT0_CTRL; i < last_port + 1; i++)
252 robo_write16(ROBO_CTRL_PAGE, i, 0);
253 }
254
255 #ifdef CONFIG_BCM47XX
256 /* WAN port LED, except for Netgear WGT634U */
257 if (bcm47xx_nvram_getenv("nvram_type", buf, sizeof(buf)) >= 0) {
258 if (strcmp(buf, "cfe") != 0)
259 robo_write16(ROBO_CTRL_PAGE, 0x16, 0x1F);
260 }
261 #endif
262 return 0;
263 }
264
265 static void robo_switch_reset(void)
266 {
267 if ((robo.devid == ROBO_DEVICE_ID_5395) ||
268 (robo.devid == ROBO_DEVICE_ID_5397) ||
269 (robo.devid == ROBO_DEVICE_ID_5398)) {
270 /* Trigger a software reset. */
271 robo_write16(ROBO_CTRL_PAGE, 0x79, 0x83);
272 mdelay(500);
273 robo_write16(ROBO_CTRL_PAGE, 0x79, 0);
274 }
275 }
276
277 static int robo_probe(char *devname)
278 {
279 __u32 phyid;
280 unsigned int i;
281 int err = -1;
282 struct mii_ioctl_data *mii;
283
284 printk(KERN_INFO PFX "Probing device '%s'\n", devname);
285 strcpy(robo.ifr.ifr_name, devname);
286
287 if ((robo.dev = dev_get_by_name(&init_net, devname)) == NULL) {
288 printk(KERN_ERR PFX "No such device\n");
289 err = -ENODEV;
290 goto err_done;
291 }
292 if (!robo.dev->netdev_ops || !robo.dev->netdev_ops->ndo_do_ioctl) {
293 printk(KERN_ERR PFX "ndo_do_ioctl not implemented in ethernet driver\n");
294 err = -ENXIO;
295 goto err_put;
296 }
297
298 robo.device = devname;
299 for (i = 0; i < 5; i++)
300 robo.port[i] = i;
301 robo.port[5] = 8;
302
303 /* try access using MII ioctls - get phy address */
304 err = do_ioctl(SIOCGMIIPHY);
305 if (err < 0) {
306 printk(KERN_ERR PFX "error (%i) while accessing MII phy registers with ioctls\n", err);
307 goto err_put;
308 }
309
310 /* got phy address check for robo address */
311 mii = if_mii(&robo.ifr);
312 if ((mii->phy_id != ROBO_PHY_ADDR) &&
313 (mii->phy_id != ROBO_PHY_ADDR_BCM63XX) &&
314 (mii->phy_id != ROBO_PHY_ADDR_TG3)) {
315 printk(KERN_ERR PFX "Invalid phy address (%d)\n", mii->phy_id);
316 err = -ENODEV;
317 goto err_put;
318 }
319
320 phyid = mdio_read(ROBO_PHY_ADDR, 0x2) |
321 (mdio_read(ROBO_PHY_ADDR, 0x3) << 16);
322
323 if (phyid == 0xffffffff || phyid == 0x55210022) {
324 printk(KERN_ERR PFX "No Robo switch in managed mode found, phy_id = 0x%08x\n", phyid);
325 err = -ENODEV;
326 goto err_put;
327 }
328
329 /* Get the device ID */
330 for (i = 0; i < 10; i++) {
331 robo.devid = robo_read16(ROBO_MGMT_PAGE, ROBO_DEVICE_ID);
332 if (robo.devid)
333 break;
334 udelay(10);
335 }
336 if (!robo.devid)
337 robo.devid = ROBO_DEVICE_ID_5325; /* Fake it */
338 robo.is_5350 = robo_vlan5350(phyid);
339
340 robo_switch_reset();
341 err = robo_switch_enable();
342 if (err)
343 goto err_put;
344
345 printk(KERN_INFO PFX "found a 5%s%x!%s at %s\n", robo.devid & 0xff00 ? "" : "3", robo.devid,
346 robo.is_5350 ? " It's a 5350." : "", devname);
347
348 return 0;
349 err_put:
350 dev_put(robo.dev);
351 robo.dev = NULL;
352 err_done:
353 return err;
354 }
355
356
357 static int handle_vlan_port_read(void *driver, char *buf, int nr)
358 {
359 __u16 val16;
360 int len = 0;
361 int j;
362
363 val16 = (nr) /* vlan */ | (0 << 12) /* read */ | (1 << 13) /* enable */;
364
365 if (robo.is_5350) {
366 u32 val32;
367 robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS_5350, val16);
368 /* actual read */
369 val32 = robo_read32(ROBO_VLAN_PAGE, ROBO_VLAN_READ);
370 if ((val32 & (1 << 20)) /* valid */) {
371 for (j = 0; j < 6; j++) {
372 if (val32 & (1 << j)) {
373 len += sprintf(buf + len, "%d", j);
374 if (val32 & (1 << (j + 6))) {
375 if (j == 5) buf[len++] = 'u';
376 } else {
377 buf[len++] = 't';
378 if (robo_read16(ROBO_VLAN_PAGE, ROBO_VLAN_PORT0_DEF_TAG + (j << 1)) == nr)
379 buf[len++] = '*';
380 }
381 buf[len++] = '\t';
382 }
383 }
384 len += sprintf(buf + len, "\n");
385 }
386 } else {
387 robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS, val16);
388 /* actual read */
389 val16 = robo_read16(ROBO_VLAN_PAGE, ROBO_VLAN_READ);
390 if ((val16 & (1 << 14)) /* valid */) {
391 for (j = 0; j < 6; j++) {
392 if (val16 & (1 << j)) {
393 len += sprintf(buf + len, "%d", j);
394 if (val16 & (1 << (j + 7))) {
395 if (j == 5) buf[len++] = 'u';
396 } else {
397 buf[len++] = 't';
398 if (robo_read16(ROBO_VLAN_PAGE, ROBO_VLAN_PORT0_DEF_TAG + (j << 1)) == nr)
399 buf[len++] = '*';
400 }
401 buf[len++] = '\t';
402 }
403 }
404 len += sprintf(buf + len, "\n");
405 }
406 }
407
408 buf[len] = '\0';
409
410 return len;
411 }
412
413 static int handle_vlan_port_write(void *driver, char *buf, int nr)
414 {
415 switch_driver *d = (switch_driver *) driver;
416 switch_vlan_config *c = switch_parse_vlan(d, buf);
417 int j;
418 __u16 val16;
419
420 if (c == NULL)
421 return -EINVAL;
422
423 for (j = 0; j < d->ports; j++) {
424 if ((c->untag | c->pvid) & (1 << j))
425 /* change default vlan tag */
426 robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_PORT0_DEF_TAG + (j << 1), nr);
427 }
428
429 /* write config now */
430
431 if (robo.devid != ROBO_DEVICE_ID_5325) {
432 __u8 regoff = ((robo.devid == ROBO_DEVICE_ID_5395) ||
433 (robo.devid == ROBO_DEVICE_ID_53115)) ? 0x20 : 0;
434
435 robo_write32(ROBO_ARLIO_PAGE, 0x63 + regoff, (c->untag << 9) | c->port);
436 robo_write16(ROBO_ARLIO_PAGE, 0x61 + regoff, nr);
437 robo_write16(ROBO_ARLIO_PAGE, 0x60 + regoff, 1 << 7);
438 kfree(c);
439 return 0;
440 }
441
442 val16 = (nr) /* vlan */ | (1 << 12) /* write */ | (1 << 13) /* enable */;
443 if (robo.is_5350) {
444 robo_write32(ROBO_VLAN_PAGE, ROBO_VLAN_WRITE_5350,
445 (1 << 20) /* valid */ | (c->untag << 6) | c->port);
446 robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS_5350, val16);
447 } else {
448 robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_WRITE,
449 (1 << 14) /* valid */ | (c->untag << 7) | c->port);
450 robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS, val16);
451 }
452
453 kfree(c);
454 return 0;
455 }
456
457 #define set_switch(state) \
458 robo_write16(ROBO_CTRL_PAGE, ROBO_SWITCH_MODE, (robo_read16(ROBO_CTRL_PAGE, ROBO_SWITCH_MODE) & ~2) | (state ? 2 : 0));
459
460 static int handle_enable_read(void *driver, char *buf, int nr)
461 {
462 return sprintf(buf, "%d\n", (((robo_read16(ROBO_CTRL_PAGE, ROBO_SWITCH_MODE) & 2) == 2) ? 1 : 0));
463 }
464
465 static int handle_enable_write(void *driver, char *buf, int nr)
466 {
467 set_switch(buf[0] == '1');
468
469 return 0;
470 }
471
472 static int handle_port_enable_read(void *driver, char *buf, int nr)
473 {
474 return sprintf(buf, "%d\n", ((robo_read16(ROBO_CTRL_PAGE, robo.port[nr]) & 3) == 3 ? 0 : 1));
475 }
476
477 static int handle_port_enable_write(void *driver, char *buf, int nr)
478 {
479 u16 val16;
480
481 if (buf[0] == '0')
482 val16 = 3; /* disabled */
483 else if (buf[0] == '1')
484 val16 = 0; /* enabled */
485 else
486 return -EINVAL;
487
488 robo_write16(ROBO_CTRL_PAGE, robo.port[nr],
489 (robo_read16(ROBO_CTRL_PAGE, robo.port[nr]) & ~3) | val16);
490
491 return 0;
492 }
493
494 static int handle_port_media_read(void *driver, char *buf, int nr)
495 {
496 u16 bmcr = mdio_read(robo.port[nr], MII_BMCR);
497 int media, len;
498
499 if (bmcr & BMCR_ANENABLE)
500 media = SWITCH_MEDIA_AUTO;
501 else {
502 if (bmcr & BMCR_SPEED1000)
503 media = SWITCH_MEDIA_1000;
504 else if (bmcr & BMCR_SPEED100)
505 media = SWITCH_MEDIA_100;
506 else
507 media = 0;
508
509 if (bmcr & BMCR_FULLDPLX)
510 media |= SWITCH_MEDIA_FD;
511 }
512
513 len = switch_print_media(buf, media);
514 return len + sprintf(buf + len, "\n");
515 }
516
517 static int handle_port_media_write(void *driver, char *buf, int nr)
518 {
519 int media = switch_parse_media(buf);
520 u16 bmcr, bmcr_mask;
521
522 if (media & SWITCH_MEDIA_AUTO)
523 bmcr = BMCR_ANENABLE | BMCR_ANRESTART;
524 else {
525 if (media & SWITCH_MEDIA_1000) {
526 if (!robo.gmii)
527 return -EINVAL;
528 bmcr = BMCR_SPEED1000;
529 }
530 else if (media & SWITCH_MEDIA_100)
531 bmcr = BMCR_SPEED100;
532 else
533 bmcr = 0;
534
535 if (media & SWITCH_MEDIA_FD)
536 bmcr |= BMCR_FULLDPLX;
537 }
538
539 bmcr_mask = ~(BMCR_SPEED1000 | BMCR_SPEED100 | BMCR_FULLDPLX | BMCR_ANENABLE | BMCR_ANRESTART);
540 mdio_write(robo.port[nr], MII_BMCR,
541 (mdio_read(robo.port[nr], MII_BMCR) & bmcr_mask) | bmcr);
542
543 return 0;
544 }
545
546 static int handle_enable_vlan_read(void *driver, char *buf, int nr)
547 {
548 return sprintf(buf, "%d\n", (((robo_read16(ROBO_VLAN_PAGE, ROBO_VLAN_CTRL0) & (1 << 7)) == (1 << 7)) ? 1 : 0));
549 }
550
551 static int handle_enable_vlan_write(void *driver, char *buf, int nr)
552 {
553 int disable = ((buf[0] != '1') ? 1 : 0);
554
555 robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_CTRL0, disable ? 0 :
556 (1 << 7) /* 802.1Q VLAN */ | (3 << 5) /* mac check and hash */);
557 robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_CTRL1, disable ? 0 :
558 (robo.devid == ROBO_DEVICE_ID_5325 ? (1 << 1) :
559 0) | (1 << 2) | (1 << 3)); /* RSV multicast */
560
561 if (robo.devid != ROBO_DEVICE_ID_5325)
562 return 0;
563
564 robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_CTRL4, disable ? 0 :
565 (1 << 6) /* drop invalid VID frames */);
566 robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_CTRL5, disable ? 0 :
567 (1 << 3) /* drop miss V table frames */);
568
569 return 0;
570 }
571
572 static int handle_reset(void *driver, char *buf, int nr)
573 {
574 switch_driver *d = (switch_driver *) driver;
575 int j;
576 __u16 val16;
577
578 /* disable switching */
579 set_switch(0);
580
581 /* reset vlans */
582 for (j = 0; j <= ((robo.is_5350) ? VLAN_ID_MAX5350 : VLAN_ID_MAX); j++) {
583 /* write config now */
584 val16 = (j) /* vlan */ | (1 << 12) /* write */ | (1 << 13) /* enable */;
585 if (robo.is_5350)
586 robo_write32(ROBO_VLAN_PAGE, ROBO_VLAN_WRITE_5350, 0);
587 else
588 robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_WRITE, 0);
589 robo_write16(ROBO_VLAN_PAGE, robo.is_5350 ? ROBO_VLAN_TABLE_ACCESS_5350 :
590 ROBO_VLAN_TABLE_ACCESS,
591 val16);
592 }
593
594 /* reset ports to a known good state */
595 for (j = 0; j < d->ports; j++) {
596 robo_write16(ROBO_CTRL_PAGE, robo.port[j], 0x0000);
597 robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_PORT0_DEF_TAG + (j << 1), 0);
598 }
599
600 /* enable switching */
601 set_switch(1);
602
603 /* enable vlans */
604 handle_enable_vlan_write(driver, "1", 0);
605
606 return 0;
607 }
608
609 static int __init robo_init(void)
610 {
611 int notfound = 1;
612 char *device;
613
614 device = strdup("ethX");
615 for (device[3] = '0'; (device[3] <= '3') && notfound; device[3]++) {
616 if (! switch_device_registered (device))
617 notfound = robo_probe(device);
618 }
619 device[3]--;
620
621 if (notfound) {
622 kfree(device);
623 return -ENODEV;
624 } else {
625 static const switch_config cfg[] = {
626 {
627 .name = "enable",
628 .read = handle_enable_read,
629 .write = handle_enable_write
630 }, {
631 .name = "enable_vlan",
632 .read = handle_enable_vlan_read,
633 .write = handle_enable_vlan_write
634 }, {
635 .name = "reset",
636 .read = NULL,
637 .write = handle_reset
638 }, { NULL, },
639 };
640 static const switch_config port[] = {
641 {
642 .name = "enable",
643 .read = handle_port_enable_read,
644 .write = handle_port_enable_write
645 }, {
646 .name = "media",
647 .read = handle_port_media_read,
648 .write = handle_port_media_write
649 }, { NULL, },
650 };
651 static const switch_config vlan[] = {
652 {
653 .name = "ports",
654 .read = handle_vlan_port_read,
655 .write = handle_vlan_port_write
656 }, { NULL, },
657 };
658 switch_driver driver = {
659 .name = DRIVER_NAME,
660 .version = DRIVER_VERSION,
661 .interface = device,
662 .cpuport = 5,
663 .ports = 6,
664 .vlans = 16,
665 .driver_handlers = cfg,
666 .port_handlers = port,
667 .vlan_handlers = vlan,
668 };
669 if (robo.devid != ROBO_DEVICE_ID_5325) {
670 driver.ports = 9;
671 driver.cpuport = 8;
672 }
673
674 return switch_register_driver(&driver);
675 }
676 }
677
678 static void __exit robo_exit(void)
679 {
680 switch_unregister_driver(DRIVER_NAME);
681 if (robo.dev)
682 dev_put(robo.dev);
683 kfree(robo.device);
684 }
685
686
687 MODULE_AUTHOR("Felix Fietkau <openwrt@nbd.name>");
688 MODULE_LICENSE("GPL");
689
690 module_init(robo_init);
691 module_exit(robo_exit);
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