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/autoconf.h>
  25 #include <linux/module.h>
  26 #include <linux/init.h>
  27 #include <linux/if.h>
  28 #include <linux/if_arp.h>
  29 #include <linux/sockios.h>
  30 #include <linux/ethtool.h>
  31 #include <linux/mii.h>
  32 #include <linux/delay.h>
  33 #include <asm/uaccess.h>
  34
  35 #include "switch-core.h"
  36 #include "etc53xx.h"
  37
  38 #define DRIVER_NAME             "bcm53xx"
  39 #define DRIVER_VERSION          "0.02"
  40 #define PFX                     "roboswitch: "
  41
  42 #define ROBO_PHY_ADDR           0x1E    /* robo switch phy address */
  43 #define ROBO_PHY_ADDR_TG3       0x01    /* Tigon3 PHY address */
  44 #define ROBO_PHY_ADDR_BCM63XX   0x00    /* BCM63XX PHY address */
  45
  46 /* MII registers */
  47 #define REG_MII_PAGE    0x10    /* MII Page register */
  48 #define REG_MII_ADDR    0x11    /* MII Address register */
  49 #define REG_MII_DATA0   0x18    /* MII Data register 0 */
  50
  51 #define REG_MII_PAGE_ENABLE     1
  52 #define REG_MII_ADDR_WRITE      1
  53 #define REG_MII_ADDR_READ       2
  54
  55 /* Robo device ID register (in ROBO_MGMT_PAGE) */
  56 #define ROBO_DEVICE_ID          0x30
  57 #define  ROBO_DEVICE_ID_5325    0x25 /* Faked */
  58 #define  ROBO_DEVICE_ID_5395    0x95
  59 #define  ROBO_DEVICE_ID_5397    0x97
  60 #define  ROBO_DEVICE_ID_5398    0x98
  61 #define  ROBO_DEVICE_ID_53115   0x3115
  62
  63 /* Private et.o ioctls */
  64 #define SIOCGETCPHYRD           (SIOCDEVPRIVATE + 9)
  65 #define SIOCSETCPHYWR           (SIOCDEVPRIVATE + 10)
  66
  67 /* linux 2.4 does not have 'bool' */
  68 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
  69 #define bool int
  70 #endif
  71
  72 /* Only available on brcm-2.4/brcm47xx */
  73 #ifdef BROADCOM
  74 extern char *nvram_get(const char *name);
  75 #define getvar(str) (nvram_get(str)?:"")
  76 #else
  77 #define getvar(str) ""
  78 #endif
  79
  80 /* Data structure for a Roboswitch device. */
  81 struct robo_switch {
  82         char *device;                   /* The device name string (ethX) */
  83         u16 devid;                      /* ROBO_DEVICE_ID_53xx */
  84         bool use_et;
  85         bool is_5350;
  86         u8 phy_addr;                    /* PHY address of the device */
  87         struct ifreq ifr;
  88         struct net_device *dev;
  89         unsigned char port[6];
  90 };
  91
  92 /* Currently we can only have one device in the system. */
  93 static struct robo_switch robo;
  94
  95
  96 static int do_ioctl(int cmd, void *buf)
  97 {
  98         mm_segment_t old_fs = get_fs();
  99         int ret;
 100
 101         if (buf != NULL)
 102                 robo.ifr.ifr_data = (caddr_t) buf;
 103
 104         set_fs(KERNEL_DS);
 105 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,31)
 106         ret = robo.dev->netdev_ops->ndo_do_ioctl(robo.dev, &robo.ifr, cmd);
 107 #else
 108         ret = robo.dev->do_ioctl(robo.dev, &robo.ifr, cmd);
 109 #endif
 110         set_fs(old_fs);
 111
 112         return ret;
 113 }
 114
 115 static u16 mdio_read(__u16 phy_id, __u8 reg)
 116 {
 117         if (robo.use_et) {
 118                 int args[2] = { reg };
 119
 120                 if (phy_id != robo.phy_addr) {
 121                         printk(KERN_ERR PFX
 122                                 "Access to real 'phy' registers unavaliable.\n"
 123                                 "Upgrade kernel driver.\n");
 124
 125                         return 0xffff;
 126                 }
 127
 128
 129                 if (do_ioctl(SIOCGETCPHYRD, &args) < 0) {
 130                         printk(KERN_ERR PFX
 131                                "[%s:%d] SIOCGETCPHYRD failed!\n", __FILE__, __LINE__);
 132                         return 0xffff;
 133                 }
 134
 135                 return args[1];
 136         } else {
 137                 struct mii_ioctl_data *mii = (struct mii_ioctl_data *) &robo.ifr.ifr_data;
 138                 mii->phy_id = phy_id;
 139                 mii->reg_num = reg;
 140
 141                 if (do_ioctl(SIOCGMIIREG, NULL) < 0) {
 142                         printk(KERN_ERR PFX
 143                                "[%s:%d] SIOCGMIIREG failed!\n", __FILE__, __LINE__);
 144
 145                         return 0xffff;
 146                 }
 147
 148                 return mii->val_out;
 149         }
 150 }
 151
 152 static void mdio_write(__u16 phy_id, __u8 reg, __u16 val)
 153 {
 154         if (robo.use_et) {
 155                 int args[2] = { reg, val };
 156
 157                 if (phy_id != robo.phy_addr) {
 158                         printk(KERN_ERR PFX
 159                                 "Access to real 'phy' registers unavaliable.\n"
 160                                 "Upgrade kernel driver.\n");
 161
 162                         return;
 163                 }
 164
 165                 if (do_ioctl(SIOCSETCPHYWR, args) < 0) {
 166                         printk(KERN_ERR PFX
 167                                "[%s:%d] SIOCGETCPHYWR failed!\n", __FILE__, __LINE__);
 168                         return;
 169                 }
 170         } else {
 171                 struct mii_ioctl_data *mii = (struct mii_ioctl_data *)&robo.ifr.ifr_data;
 172
 173                 mii->phy_id = phy_id;
 174                 mii->reg_num = reg;
 175                 mii->val_in = val;
 176
 177                 if (do_ioctl(SIOCSMIIREG, NULL) < 0) {
 178                         printk(KERN_ERR PFX
 179                                "[%s:%d] SIOCSMIIREG failed!\n", __FILE__, __LINE__);
 180                         return;
 181                 }
 182         }
 183 }
 184
 185 static int robo_reg(__u8 page, __u8 reg, __u8 op)
 186 {
 187         int i = 3;
 188
 189         /* set page number */
 190         mdio_write(robo.phy_addr, REG_MII_PAGE,
 191                 (page << 8) | REG_MII_PAGE_ENABLE);
 192
 193         /* set register address */
 194         mdio_write(robo.phy_addr, REG_MII_ADDR,
 195                 (reg << 8) | op);
 196
 197         /* check if operation completed */
 198         while (i--) {
 199                 if ((mdio_read(robo.phy_addr, REG_MII_ADDR) & 3) == 0)
 200                         return 0;
 201         }
 202
 203         printk(KERN_ERR PFX "[%s:%d] timeout in robo_reg!\n", __FILE__, __LINE__);
 204
 205         return 0;
 206 }
 207
 208 /*
 209 static void robo_read(__u8 page, __u8 reg, __u16 *val, int count)
 210 {
 211         int i;
 212
 213         robo_reg(page, reg, REG_MII_ADDR_READ);
 214
 215         for (i = 0; i < count; i++)
 216                 val[i] = mdio_read(robo.phy_addr, REG_MII_DATA0 + i);
 217 }
 218 */
 219
 220 static __u16 robo_read16(__u8 page, __u8 reg)
 221 {
 222         robo_reg(page, reg, REG_MII_ADDR_READ);
 223
 224         return mdio_read(robo.phy_addr, REG_MII_DATA0);
 225 }
 226
 227 static __u32 robo_read32(__u8 page, __u8 reg)
 228 {
 229         robo_reg(page, reg, REG_MII_ADDR_READ);
 230
 231         return mdio_read(robo.phy_addr, REG_MII_DATA0) +
 232                 (mdio_read(robo.phy_addr, REG_MII_DATA0 + 1) << 16);
 233 }
 234
 235 static void robo_write16(__u8 page, __u8 reg, __u16 val16)
 236 {
 237         /* write data */
 238         mdio_write(robo.phy_addr, REG_MII_DATA0, val16);
 239
 240         robo_reg(page, reg, REG_MII_ADDR_WRITE);
 241 }
 242
 243 static void robo_write32(__u8 page, __u8 reg, __u32 val32)
 244 {
 245         /* write data */
 246         mdio_write(robo.phy_addr, REG_MII_DATA0, val32 & 65535);
 247         mdio_write(robo.phy_addr, REG_MII_DATA0 + 1, val32 >> 16);
 248
 249         robo_reg(page, reg, REG_MII_ADDR_WRITE);
 250 }
 251
 252 /* checks that attached switch is 5325E/5350 */
 253 static int robo_vlan5350(void)
 254 {
 255         /* set vlan access id to 15 and read it back */
 256         __u16 val16 = 15;
 257         robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS_5350, val16);
 258
 259         /* 5365 will refuse this as it does not have this reg */
 260         return (robo_read16(ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS_5350) == val16);
 261 }
 262
 263 static int robo_switch_enable(void)
 264 {
 265         unsigned int i, last_port;
 266         u16 val;
 267
 268         val = robo_read16(ROBO_CTRL_PAGE, ROBO_SWITCH_MODE);
 269         if (!(val & (1 << 1))) {
 270                 /* Unmanaged mode */
 271                 val &= ~(1 << 0);
 272                 /* With forwarding */
 273                 val |= (1 << 1);
 274                 robo_write16(ROBO_CTRL_PAGE, ROBO_SWITCH_MODE, val);
 275                 val = robo_read16(ROBO_CTRL_PAGE, ROBO_SWITCH_MODE);
 276                 if (!(val & (1 << 1))) {
 277                         printk("Failed to enable switch\n");
 278                         return -EBUSY;
 279                 }
 280
 281                 last_port = (robo.devid == ROBO_DEVICE_ID_5398) ?
 282                                 ROBO_PORT6_CTRL : ROBO_PORT3_CTRL;
 283                 for (i = ROBO_PORT0_CTRL; i < last_port + 1; i++)
 284                         robo_write16(ROBO_CTRL_PAGE, i, 0);
 285         }
 286
 287         /* WAN port LED, except for Netgear WGT634U */
 288         if (strcmp(getvar("nvram_type"), "cfe") != 0)
 289                 robo_write16(ROBO_CTRL_PAGE, 0x16, 0x1F);
 290
 291         return 0;
 292 }
 293
 294 static void robo_switch_reset(void)
 295 {
 296         if ((robo.devid == ROBO_DEVICE_ID_5395) ||
 297             (robo.devid == ROBO_DEVICE_ID_5397) ||
 298             (robo.devid == ROBO_DEVICE_ID_5398)) {
 299                 /* Trigger a software reset. */
 300                 robo_write16(ROBO_CTRL_PAGE, 0x79, 0x83);
 301                 mdelay(500);
 302                 robo_write16(ROBO_CTRL_PAGE, 0x79, 0);
 303         }
 304 }
 305
 306 static int robo_probe(char *devname)
 307 {
 308         __u32 phyid;
 309         unsigned int i;
 310         int err;
 311
 312         printk(KERN_INFO PFX "Probing device %s: ", devname);
 313         strcpy(robo.ifr.ifr_name, devname);
 314
 315 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)
 316         if ((robo.dev = dev_get_by_name(devname)) == NULL) {
 317 #else
 318         if ((robo.dev = dev_get_by_name(&init_net, devname)) == NULL) {
 319 #endif
 320                 printk("No such device\n");
 321                 return 1;
 322         }
 323
 324         robo.device = devname;
 325         for (i = 0; i < 5; i++)
 326                 robo.port[i] = i;
 327         robo.port[5] = 8;
 328
 329         /* try access using MII ioctls - get phy address */
 330         if (do_ioctl(SIOCGMIIPHY, NULL) < 0) {
 331                 robo.use_et = 1;
 332                 robo.phy_addr = ROBO_PHY_ADDR;
 333         } else {
 334                 /* got phy address check for robo address */
 335                 struct mii_ioctl_data *mii = (struct mii_ioctl_data *) &robo.ifr.ifr_data;
 336                 if ((mii->phy_id != ROBO_PHY_ADDR) &&
 337                     (mii->phy_id != ROBO_PHY_ADDR_BCM63XX) &&
 338                     (mii->phy_id != ROBO_PHY_ADDR_TG3)) {
 339                         printk("Invalid phy address (%d)\n", mii->phy_id);
 340                         return 1;
 341                 }
 342                 robo.use_et = 0;
 343                 /* The robo has a fixed PHY address that is different from the
 344                  * Tigon3 and BCM63xx PHY address. */
 345                 robo.phy_addr = ROBO_PHY_ADDR;
 346         }
 347
 348         phyid = mdio_read(robo.phy_addr, 0x2) |
 349                 (mdio_read(robo.phy_addr, 0x3) << 16);
 350
 351         if (phyid == 0xffffffff || phyid == 0x55210022) {
 352                 printk("No Robo switch in managed mode found, phy_id = 0x%08x\n", phyid);
 353                 return 1;
 354         }
 355
 356         /* Get the device ID */
 357         for (i = 0; i < 10; i++) {
 358                 robo.devid = robo_read16(ROBO_MGMT_PAGE, ROBO_DEVICE_ID);
 359                 if (robo.devid)
 360                         break;
 361                 udelay(10);
 362         }
 363         if (!robo.devid)
 364                 robo.devid = ROBO_DEVICE_ID_5325; /* Fake it */
 365         robo.is_5350 = robo_vlan5350();
 366
 367         robo_switch_reset();
 368         err = robo_switch_enable();
 369         if (err)
 370                 return err;
 371
 372         printk("found a 5%s%x!%s\n", robo.devid & 0xff00 ? "" : "3", robo.devid,
 373                 robo.is_5350 ? " It's a 5350." : "");
 374         return 0;
 375 }
 376
 377
 378 static int handle_vlan_port_read(void *driver, char *buf, int nr)
 379 {
 380         __u16 val16;
 381         int len = 0;
 382         int j;
 383
 384         val16 = (nr) /* vlan */ | (0 << 12) /* read */ | (1 << 13) /* enable */;
 385
 386         if (robo.is_5350) {
 387                 u32 val32;
 388                 robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS_5350, val16);
 389                 /* actual read */
 390                 val32 = robo_read32(ROBO_VLAN_PAGE, ROBO_VLAN_READ);
 391                 if ((val32 & (1 << 20)) /* valid */) {
 392                         for (j = 0; j < 6; j++) {
 393                                 if (val32 & (1 << j)) {
 394                                         len += sprintf(buf + len, "%d", j);
 395                                         if (val32 & (1 << (j + 6))) {
 396                                                 if (j == 5) buf[len++] = 'u';
 397                                         } else {
 398                                                 buf[len++] = 't';
 399                                                 if (robo_read16(ROBO_VLAN_PAGE, ROBO_VLAN_PORT0_DEF_TAG + (j << 1)) == nr)
 400                                                         buf[len++] = '*';
 401                                         }
 402                                         buf[len++] = '\t';
 403                                 }
 404                         }
 405                         len += sprintf(buf + len, "\n");
 406                 }
 407         } else {
 408                 robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS, val16);
 409                 /* actual read */
 410                 val16 = robo_read16(ROBO_VLAN_PAGE, ROBO_VLAN_READ);
 411                 if ((val16 & (1 << 14)) /* valid */) {
 412                         for (j = 0; j < 6; j++) {
 413                                 if (val16 & (1 << j)) {
 414                                         len += sprintf(buf + len, "%d", j);
 415                                         if (val16 & (1 << (j + 7))) {
 416                                                 if (j == 5) buf[len++] = 'u';
 417                                         } else {
 418                                                 buf[len++] = 't';
 419                                                 if (robo_read16(ROBO_VLAN_PAGE, ROBO_VLAN_PORT0_DEF_TAG + (j << 1)) == nr)
 420                                                         buf[len++] = '*';
 421                                         }
 422                                         buf[len++] = '\t';
 423                                 }
 424                         }
 425                         len += sprintf(buf + len, "\n");
 426                 }
 427         }
 428
 429         buf[len] = '\0';
 430
 431         return len;
 432 }
 433
 434 static int handle_vlan_port_write(void *driver, char *buf, int nr)
 435 {
 436         switch_driver *d = (switch_driver *) driver;
 437         switch_vlan_config *c = switch_parse_vlan(d, buf);
 438         int j;
 439         __u16 val16;
 440
 441         if (c == NULL)
 442                 return -EINVAL;
 443
 444         for (j = 0; j < d->ports; j++) {
 445                 if ((c->untag | c->pvid) & (1 << j))
 446                         /* change default vlan tag */
 447                         robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_PORT0_DEF_TAG + (j << 1), nr);
 448         }
 449
 450         /* write config now */
 451
 452         if (robo.devid != ROBO_DEVICE_ID_5325) {
 453                 __u8 regoff = ((robo.devid == ROBO_DEVICE_ID_5395) ||
 454                         (robo.devid == ROBO_DEVICE_ID_53115)) ? 0x20 : 0;
 455
 456                 robo_write32(ROBO_ARLIO_PAGE, 0x63 + regoff, (c->untag << 9) | c->port);
 457                 robo_write16(ROBO_ARLIO_PAGE, 0x61 + regoff, nr);
 458                 robo_write16(ROBO_ARLIO_PAGE, 0x60 + regoff, 1 << 7);
 459                 return 0;
 460         }
 461
 462         val16 = (nr) /* vlan */ | (1 << 12) /* write */ | (1 << 13) /* enable */;
 463         if (robo.is_5350) {
 464                 robo_write32(ROBO_VLAN_PAGE, ROBO_VLAN_WRITE_5350,
 465                         (1 << 20) /* valid */ | (c->untag << 6) | c->port);
 466                 robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS_5350, val16);
 467         } else {
 468                 robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_WRITE,
 469                         (1 << 14)  /* valid */ | (c->untag << 7) | c->port);
 470                 robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS, val16);
 471         }
 472
 473         return 0;
 474 }
 475
 476 #define set_switch(state) \
 477         robo_write16(ROBO_CTRL_PAGE, ROBO_SWITCH_MODE, (robo_read16(ROBO_CTRL_PAGE, ROBO_SWITCH_MODE) & ~2) | (state ? 2 : 0));
 478
 479 static int handle_enable_read(void *driver, char *buf, int nr)
 480 {
 481         return sprintf(buf, "%d\n", (((robo_read16(ROBO_CTRL_PAGE, ROBO_SWITCH_MODE) & 2) == 2) ? 1 : 0));
 482 }
 483
 484 static int handle_enable_write(void *driver, char *buf, int nr)
 485 {
 486         set_switch(buf[0] == '1');
 487
 488         return 0;
 489 }
 490
 491 static int handle_enable_vlan_read(void *driver, char *buf, int nr)
 492 {
 493         return sprintf(buf, "%d\n", (((robo_read16(ROBO_VLAN_PAGE, ROBO_VLAN_CTRL0) & (1 << 7)) == (1 << 7)) ? 1 : 0));
 494 }
 495
 496 static int handle_enable_vlan_write(void *driver, char *buf, int nr)
 497 {
 498         int disable = ((buf[0] != '1') ? 1 : 0);
 499
 500         robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_CTRL0, disable ? 0 :
 501                 (1 << 7) /* 802.1Q VLAN */ | (3 << 5) /* mac check and hash */);
 502         robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_CTRL1, disable ? 0 :
 503                 (robo.devid == ROBO_DEVICE_ID_5325 ? (1 << 1) : 0) | /* RSV multicast */
 504                 robo_read16(ROBO_VLAN_PAGE, ROBO_VLAN_CTRL0) | (1 << 2) | (1 << 3));
 505
 506         if (robo.devid != ROBO_DEVICE_ID_5325)
 507                 return 0;
 508
 509         robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_CTRL4, disable ? 0 :
 510                 (1 << 6) /* drop invalid VID frames */);
 511         robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_CTRL5, disable ? 0 :
 512                 (1 << 3) /* drop miss V table frames */);
 513
 514         return 0;
 515 }
 516
 517 static int handle_reset(void *driver, char *buf, int nr)
 518 {
 519         switch_driver *d = (switch_driver *) driver;
 520         switch_vlan_config *c = switch_parse_vlan(d, buf);
 521         int j;
 522         __u16 val16;
 523
 524         if (c == NULL)
 525                 return -EINVAL;
 526
 527         /* disable switching */
 528         set_switch(0);
 529
 530         /* reset vlans */
 531         for (j = 0; j <= ((robo.is_5350) ? VLAN_ID_MAX5350 : VLAN_ID_MAX); j++) {
 532                 /* write config now */
 533                 val16 = (j) /* vlan */ | (1 << 12) /* write */ | (1 << 13) /* enable */;
 534                 if (robo.is_5350)
 535                         robo_write32(ROBO_VLAN_PAGE, ROBO_VLAN_WRITE_5350, 0);
 536                 else
 537                         robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_WRITE, 0);
 538                 robo_write16(ROBO_VLAN_PAGE, robo.is_5350 ? ROBO_VLAN_TABLE_ACCESS_5350 :
 539                                                             ROBO_VLAN_TABLE_ACCESS,
 540                              val16);
 541         }
 542
 543         /* reset ports to a known good state */
 544         for (j = 0; j < d->ports; j++) {
 545                 robo_write16(ROBO_CTRL_PAGE, robo.port[j], 0x0000);
 546                 robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_PORT0_DEF_TAG + (j << 1), 0);
 547         }
 548
 549         /* enable switching */
 550         set_switch(1);
 551
 552         /* enable vlans */
 553         handle_enable_vlan_write(driver, "1", 0);
 554
 555         return 0;
 556 }
 557
 558 static int __init robo_init(void)
 559 {
 560         int notfound = 1;
 561         char *device;
 562
 563         device = strdup("ethX");
 564         for (device[3] = '0'; (device[3] <= '3') && notfound; device[3]++) {
 565                 if (! switch_device_registered (device))
 566                         notfound = robo_probe(device);
 567         }
 568         device[3]--;
 569
 570         if (notfound) {
 571                 kfree(device);
 572                 return -ENODEV;
 573         } else {
 574                 static const switch_config cfg[] = {
 575                         {
 576                                 .name   = "enable",
 577                                 .read   = handle_enable_read,
 578                                 .write  = handle_enable_write
 579                         }, {
 580                                 .name   = "enable_vlan",
 581                                 .read   = handle_enable_vlan_read,
 582                                 .write  = handle_enable_vlan_write
 583                         }, {
 584                                 .name   = "reset",
 585                                 .read   = NULL,
 586                                 .write  = handle_reset
 587                         }, { NULL, },
 588                 };
 589                 static const switch_config vlan[] = {
 590                         {
 591                                 .name   = "ports",
 592                                 .read   = handle_vlan_port_read,
 593                                 .write  = handle_vlan_port_write
 594                         }, { NULL, },
 595                 };
 596                 switch_driver driver = {
 597                         .name                   = DRIVER_NAME,
 598                         .version                = DRIVER_VERSION,
 599                         .interface              = device,
 600                         .cpuport                = 5,
 601                         .ports                  = 6,
 602                         .vlans                  = 16,
 603                         .driver_handlers        = cfg,
 604                         .port_handlers          = NULL,
 605                         .vlan_handlers          = vlan,
 606                 };
 607                 if (robo.devid != ROBO_DEVICE_ID_5325) {
 608                         driver.ports = 9;
 609                         driver.cpuport = 8;
 610                 }
 611
 612                 return switch_register_driver(&driver);
 613         }
 614 }
 615
 616 static void __exit robo_exit(void)
 617 {
 618         switch_unregister_driver(DRIVER_NAME);
 619         kfree(robo.device);
 620 }
 621
 622
 623 MODULE_AUTHOR("Felix Fietkau <openwrt@nbd.name>");
 624 MODULE_LICENSE("GPL");
 625
 626 module_init(robo_init);
 627 module_exit(robo_exit);