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Fix the roboswitch code for the WRT350N

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SVN-Revision: 10531
This commit is contained in:
Michael Büsch
2008-02-27 22:35:41 +00:00
parent 66340c40ff
commit a9cddc69ec
4 changed files with 275 additions and 98 deletions
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10
package/switch/src/switch-core.c
View File

@@ -139,18 +139,18 @@ static ssize_t switch_proc_write(struct file *file, const char *buf, size_t coun
static int handle_driver_name(void *driver, char *buf, int nr)
{
char *name = ((switch_driver *) driver)->name;
const char *name = ((switch_driver *) driver)->name;
return sprintf(buf, "%s\n", name);
}
static int handle_driver_version(void *driver, char *buf, int nr)
{
char *version = ((switch_driver *) driver)->version;
const char *version = ((switch_driver *) driver)->version;
strcpy(buf, version);
return sprintf(buf, "%s\n", version);
}
static void add_handler(switch_driver *driver, switch_config *handler, struct proc_dir_entry *parent, int nr)
static void add_handler(switch_driver *driver, const switch_config *handler, struct proc_dir_entry *parent, int nr)
{
switch_priv *priv = (switch_priv *) driver->data;
struct proc_dir_entry *p;
@@ -175,7 +175,7 @@ static void add_handler(switch_driver *driver, switch_config *handler, struct pr
}
}
static inline void add_handlers(switch_driver *driver, switch_config *handlers, struct proc_dir_entry *parent, int nr)
static inline void add_handlers(switch_driver *driver, const switch_config *handlers, struct proc_dir_entry *parent, int nr)
{
int i;
@@ -408,7 +408,7 @@ int switch_register_driver(switch_driver *driver)
memcpy(new, driver, sizeof(switch_driver));
new->name = strdup(driver->name);
new->interface = strdup(driver->interface);
if ((ret = do_register(new)) < 0) {
kfree(new->name);
kfree(new);

12
package/switch/src/switch-core.h
View File

@@ -20,19 +20,19 @@
typedef int (*switch_handler)(void *driver, char *buf, int nr);
typedef struct {
char *name;
const char *name;
switch_handler read, write;
} switch_config;
typedef struct {
struct list_head list;
char *name;
char *version;
char *interface;
const char *name;
const char *version;
const char *interface;
int cpuport;
int ports;
int vlans;
switch_config *driver_handlers, *port_handlers, *vlan_handlers;
const switch_config *driver_handlers, *port_handlers, *vlan_handlers;
void *data;
void *priv;
} switch_driver;
@@ -48,7 +48,7 @@ extern switch_vlan_config *switch_parse_vlan(switch_driver *driver, char *buf);
extern int switch_parse_media(char *buf);
extern int switch_print_media(char *buf, int media);
static inline char *strdup(char *str)
static inline char *strdup(const char *str)
{
char *new = kmalloc(strlen(str) + 1, GFP_KERNEL);
strcpy(new, str);

244
package/switch/src/switch-robo.c
View File

@@ -2,6 +2,7 @@
* Broadcom BCM5325E/536x switch configuration module
*
* Copyright (C) 2005 Felix Fietkau <nbd@nbd.name>
* Copyright (C) 2008 Michael Buesch <mb@bu3sch.de>
* Based on 'robocfg' by Oleg I. Vdovikin
*
* This program is free software; you can redistribute it and/or
@@ -28,15 +29,18 @@
#include <linux/sockios.h>
#include <linux/ethtool.h>
#include <linux/mii.h>
#include <linux/delay.h>
#include <asm/uaccess.h>
#include "switch-core.h"
#include "etc53xx.h"
#define DRIVER_NAME "bcm53xx"
#define DRIVER_VERSION "0.01"
#define DRIVER_VERSION "0.02"
#define PFX "roboswitch: "
#define ROBO_PHY_ADDR 0x1E /* robo switch phy address */
#define ROBO_PHY_ADDR 0x1E /* robo switch phy address */
#define ROBO_PHY_ADDR_TG3 0x01 /* Tigon3 PHY address */
/* MII registers */
#define REG_MII_PAGE 0x10 /* MII Page register */
@@ -47,16 +51,33 @@
#define REG_MII_ADDR_WRITE 1
#define REG_MII_ADDR_READ 2
/* Robo device ID register (in ROBO_MGMT_PAGE) */
#define ROBO_DEVICE_ID 0x30
#define ROBO_DEVICE_ID_5325 0x25 /* Faked */
#define ROBO_DEVICE_ID_5395 0x95
#define ROBO_DEVICE_ID_5397 0x97
#define ROBO_DEVICE_ID_5398 0x98
/* Private et.o ioctls */
#define SIOCGETCPHYRD (SIOCDEVPRIVATE + 9)
#define SIOCSETCPHYWR (SIOCDEVPRIVATE + 10)
static char *device;
static int use_et = 0;
static int is_5350 = 0;
static struct ifreq ifr;
static struct net_device *dev;
static unsigned char port[6] = { 0, 1, 2, 3, 4, 8 };
/* Data structure for a Roboswitch device. */
struct robo_switch {
char *device; /* The device name string (ethX) */
u16 devid; /* ROBO_DEVICE_ID_53xx */
bool use_et;
bool is_5350;
u8 phy_addr; /* PHY address of the device */
struct ifreq ifr;
struct net_device *dev;
unsigned char port[6];
};
/* Currently we can only have one device in the system. */
static struct robo_switch robo;
static int do_ioctl(int cmd, void *buf)
{
@@ -64,10 +85,10 @@ static int do_ioctl(int cmd, void *buf)
int ret;
if (buf != NULL)
ifr.ifr_data = (caddr_t) buf;
robo.ifr.ifr_data = (caddr_t) buf;
set_fs(KERNEL_DS);
ret = dev->do_ioctl(dev, &ifr, cmd);
ret = robo.dev->do_ioctl(robo.dev, &robo.ifr, cmd);
set_fs(old_fs);
return ret;
@@ -75,11 +96,11 @@ static int do_ioctl(int cmd, void *buf)
static u16 mdio_read(__u16 phy_id, __u8 reg)
{
if (use_et) {
if (robo.use_et) {
int args[2] = { reg };
if (phy_id != ROBO_PHY_ADDR) {
printk(
if (phy_id != robo.phy_addr) {
printk(KERN_ERR PFX
"Access to real 'phy' registers unavaliable.\n"
"Upgrade kernel driver.\n");
@@ -88,18 +109,20 @@ static u16 mdio_read(__u16 phy_id, __u8 reg)
if (do_ioctl(SIOCGETCPHYRD, &args) < 0) {
printk("[%s:%d] SIOCGETCPHYRD failed!\n", __FILE__, __LINE__);
printk(KERN_ERR PFX
"[%s:%d] SIOCGETCPHYRD failed!\n", __FILE__, __LINE__);
return 0xffff;
}
return args[1];
} else {
struct mii_ioctl_data *mii = (struct mii_ioctl_data *) &ifr.ifr_data;
struct mii_ioctl_data *mii = (struct mii_ioctl_data *) &robo.ifr.ifr_data;
mii->phy_id = phy_id;
mii->reg_num = reg;
if (do_ioctl(SIOCGMIIREG, NULL) < 0) {
printk("[%s:%d] SIOCGMIIREG failed!\n", __FILE__, __LINE__);
printk(KERN_ERR PFX
"[%s:%d] SIOCGMIIREG failed!\n", __FILE__, __LINE__);
return 0xffff;
}
@@ -110,11 +133,11 @@ static u16 mdio_read(__u16 phy_id, __u8 reg)
static void mdio_write(__u16 phy_id, __u8 reg, __u16 val)
{
if (use_et) {
if (robo.use_et) {
int args[2] = { reg, val };
if (phy_id != ROBO_PHY_ADDR) {
printk(
if (phy_id != robo.phy_addr) {
printk(KERN_ERR PFX
"Access to real 'phy' registers unavaliable.\n"
"Upgrade kernel driver.\n");
@@ -122,18 +145,20 @@ static void mdio_write(__u16 phy_id, __u8 reg, __u16 val)
}
if (do_ioctl(SIOCSETCPHYWR, args) < 0) {
printk("[%s:%d] SIOCGETCPHYWR failed!\n", __FILE__, __LINE__);
printk(KERN_ERR PFX
"[%s:%d] SIOCGETCPHYWR failed!\n", __FILE__, __LINE__);
return;
}
} else {
struct mii_ioctl_data *mii = (struct mii_ioctl_data *)&ifr.ifr_data;
struct mii_ioctl_data *mii = (struct mii_ioctl_data *)&robo.ifr.ifr_data;
mii->phy_id = phy_id;
mii->reg_num = reg;
mii->val_in = val;
if (do_ioctl(SIOCSMIIREG, NULL) < 0) {
printk("[%s:%d] SIOCSMIIREG failed!\n", __FILE__, __LINE__);
printk(KERN_ERR PFX
"[%s:%d] SIOCSMIIREG failed!\n", __FILE__, __LINE__);
return;
}
}
@@ -144,20 +169,20 @@ static int robo_reg(__u8 page, __u8 reg, __u8 op)
int i = 3;
/* set page number */
mdio_write(ROBO_PHY_ADDR, REG_MII_PAGE,
mdio_write(robo.phy_addr, REG_MII_PAGE,
(page << 8) | REG_MII_PAGE_ENABLE);
/* set register address */
mdio_write(ROBO_PHY_ADDR, REG_MII_ADDR,
mdio_write(robo.phy_addr, REG_MII_ADDR,
(reg << 8) | op);
/* check if operation completed */
while (i--) {
if ((mdio_read(ROBO_PHY_ADDR, REG_MII_ADDR) & 3) == 0)
if ((mdio_read(robo.phy_addr, REG_MII_ADDR) & 3) == 0)
return 0;
}
printk("[%s:%d] timeout in robo_reg!\n", __FILE__, __LINE__);
printk(KERN_ERR PFX "[%s:%d] timeout in robo_reg!\n", __FILE__, __LINE__);
return 0;
}
@@ -170,7 +195,7 @@ static void robo_read(__u8 page, __u8 reg, __u16 *val, int count)
robo_reg(page, reg, REG_MII_ADDR_READ);
for (i = 0; i < count; i++)
val[i] = mdio_read(ROBO_PHY_ADDR, REG_MII_DATA0 + i);
val[i] = mdio_read(robo.phy_addr, REG_MII_DATA0 + i);
}
*/
@@ -178,21 +203,21 @@ static __u16 robo_read16(__u8 page, __u8 reg)
{
robo_reg(page, reg, REG_MII_ADDR_READ);
return mdio_read(ROBO_PHY_ADDR, REG_MII_DATA0);
return mdio_read(robo.phy_addr, REG_MII_DATA0);
}
static __u32 robo_read32(__u8 page, __u8 reg)
{
robo_reg(page, reg, REG_MII_ADDR_READ);
return mdio_read(ROBO_PHY_ADDR, REG_MII_DATA0) +
(mdio_read(ROBO_PHY_ADDR, REG_MII_DATA0 + 1) << 16);
return mdio_read(robo.phy_addr, REG_MII_DATA0) +
(mdio_read(robo.phy_addr, REG_MII_DATA0 + 1) << 16);
}
static void robo_write16(__u8 page, __u8 reg, __u16 val16)
{
/* write data */
mdio_write(ROBO_PHY_ADDR, REG_MII_DATA0, val16);
mdio_write(robo.phy_addr, REG_MII_DATA0, val16);
robo_reg(page, reg, REG_MII_ADDR_WRITE);
}
@@ -200,8 +225,8 @@ static void robo_write16(__u8 page, __u8 reg, __u16 val16)
static void robo_write32(__u8 page, __u8 reg, __u32 val32)
{
/* write data */
mdio_write(ROBO_PHY_ADDR, REG_MII_DATA0, val32 & 65535);
mdio_write(ROBO_PHY_ADDR, REG_MII_DATA0 + 1, val32 >> 16);
mdio_write(robo.phy_addr, REG_MII_DATA0, val32 & 65535);
mdio_write(robo.phy_addr, REG_MII_DATA0 + 1, val32 >> 16);
robo_reg(page, reg, REG_MII_ADDR_WRITE);
}
@@ -217,42 +242,108 @@ static int robo_vlan5350(void)
return (robo_read16(ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS_5350) == val16);
}
static int robo_switch_enable(void)
{
unsigned int i, last_port;
u16 val;
val = robo_read16(ROBO_CTRL_PAGE, ROBO_SWITCH_MODE);
if (!(val & (1 << 1))) {
/* Unmanaged mode */
val &= ~(1 << 0);
/* With forwarding */
val |= (1 << 1);
robo_write16(ROBO_CTRL_PAGE, ROBO_SWITCH_MODE, val);
val = robo_read16(ROBO_CTRL_PAGE, ROBO_SWITCH_MODE);
if (!(val & (1 << 1))) {
printk("Failed to enable switch\n");
return -EBUSY;
}
last_port = (robo.devid == ROBO_DEVICE_ID_5398) ?
ROBO_PORT6_CTRL : ROBO_PORT3_CTRL;
for (i = ROBO_PORT0_CTRL; i < last_port + 1; i++)
robo_write16(ROBO_CTRL_PAGE, i, 0);
}
/* WAN port LED */
robo_write16(ROBO_CTRL_PAGE, 0x16, 0x1F);
return 0;
}
static void robo_switch_reset(void)
{
if ((robo.devid == ROBO_DEVICE_ID_5395) ||
(robo.devid == ROBO_DEVICE_ID_5397) ||
(robo.devid == ROBO_DEVICE_ID_5398)) {
/* Trigger a software reset. */
robo_write16(ROBO_CTRL_PAGE, 0x79, 0x83);
robo_write16(ROBO_CTRL_PAGE, 0x79, 0);
}
}
static int robo_probe(char *devname)
{
__u32 phyid;
unsigned int i;
int err;
printk("Probing device %s: ", devname);
strcpy(ifr.ifr_name, devname);
printk(KERN_INFO PFX "Probing device %s: ", devname);
strcpy(robo.ifr.ifr_name, devname);
if ((dev = dev_get_by_name(devname)) == NULL) {
if ((robo.dev = dev_get_by_name(devname)) == NULL) {
printk("No such device\n");
return 1;
}
robo.device = devname;
for (i = 0; i < 5; i++)
robo.port[i] = i;
robo.port[5] = 8;
/* try access using MII ioctls - get phy address */
if (do_ioctl(SIOCGMIIPHY, NULL) < 0) {
use_et = 1;
robo.use_et = 1;
robo.phy_addr = ROBO_PHY_ADDR;
} else {
/* got phy address check for robo address */
struct mii_ioctl_data *mii = (struct mii_ioctl_data *) &ifr.ifr_data;
if (mii->phy_id != ROBO_PHY_ADDR) {
struct mii_ioctl_data *mii = (struct mii_ioctl_data *) &robo.ifr.ifr_data;
if ((mii->phy_id != ROBO_PHY_ADDR) &&
(mii->phy_id != ROBO_PHY_ADDR_TG3)) {
printk("Invalid phy address (%d)\n", mii->phy_id);
return 1;
}
robo.use_et = 0;
/* The robo has a fixed PHY address that is different from the
* Tigon3 PHY address. */
robo.phy_addr = ROBO_PHY_ADDR;
}
phyid = mdio_read(ROBO_PHY_ADDR, 0x2) |
(mdio_read(ROBO_PHY_ADDR, 0x3) << 16);
phyid = mdio_read(robo.phy_addr, 0x2) |
(mdio_read(robo.phy_addr, 0x3) << 16);
if (phyid == 0xffffffff || phyid == 0x55210022) {
printk("No Robo switch in managed mode found\n");
return 1;
}
is_5350 = robo_vlan5350();
/* Get the device ID */
for (i = 0; i < 10; i++) {
robo.devid = robo_read16(ROBO_MGMT_PAGE, ROBO_DEVICE_ID);
if (robo.devid)
break;
udelay(10);
}
if (!robo.devid)
robo.devid = ROBO_DEVICE_ID_5325; /* Fake it */
robo.is_5350 = robo_vlan5350();
robo_switch_reset();
err = robo_switch_enable();
if (err)
return err;
printk("found!\n");
return 0;
}
@@ -266,7 +357,7 @@ static int handle_vlan_port_read(void *driver, char *buf, int nr)
val16 = (nr) /* vlan */ | (0 << 12) /* read */ | (1 << 13) /* enable */;
if (is_5350) {
if (robo.is_5350) {
u32 val32;
robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS_5350, val16);
/* actual read */
@@ -332,7 +423,7 @@ static int handle_vlan_port_write(void *driver, char *buf, int nr)
/* write config now */
val16 = (nr) /* vlan */ | (1 << 12) /* write */ | (1 << 13) /* enable */;
if (is_5350) {
if (robo.is_5350) {
robo_write32(ROBO_VLAN_PAGE, ROBO_VLAN_WRITE_5350,
(1 << 20) /* valid */ | (c->untag << 6) | c->port);
robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS_5350, val16);
@@ -395,19 +486,21 @@ static int handle_reset(void *driver, char *buf, int nr)
set_switch(0);
/* reset vlans */
for (j = 0; j <= (is_5350 ? VLAN_ID_MAX5350 : VLAN_ID_MAX); j++) {
for (j = 0; j <= ((robo.is_5350) ? VLAN_ID_MAX5350 : VLAN_ID_MAX); j++) {
/* write config now */
val16 = (j) /* vlan */ | (1 << 12) /* write */ | (1 << 13) /* enable */;
if (is_5350)
if (robo.is_5350)
robo_write32(ROBO_VLAN_PAGE, ROBO_VLAN_WRITE_5350, 0);
else
robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_WRITE, 0);
robo_write16(ROBO_VLAN_PAGE, (is_5350 ? ROBO_VLAN_TABLE_ACCESS_5350 : ROBO_VLAN_TABLE_ACCESS), val16);
robo_write16(ROBO_VLAN_PAGE, robo.is_5350 ? ROBO_VLAN_TABLE_ACCESS_5350 :
ROBO_VLAN_TABLE_ACCESS,
val16);
}
/* reset ports to a known good state */
for (j = 0; j < d->ports; j++) {
robo_write16(ROBO_CTRL_PAGE, port[j], 0x0000);
robo_write16(ROBO_CTRL_PAGE, robo.port[j], 0x0000);
robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_PORT0_DEF_TAG + (j << 1), 0);
}
@@ -423,6 +516,7 @@ static int handle_reset(void *driver, char *buf, int nr)
static int __init robo_init(void)
{
int notfound = 1;
char *device;
device = strdup("ethX");
for (device[3] = '0'; (device[3] <= '3') && notfound; device[3]++) {
@@ -434,26 +528,38 @@ static int __init robo_init(void)
kfree(device);
return -ENODEV;
} else {
switch_config cfg[] = {
{"enable", handle_enable_read, handle_enable_write},
{"enable_vlan", handle_enable_vlan_read, handle_enable_vlan_write},
{"reset", NULL, handle_reset},
{NULL, NULL, NULL}
static const switch_config cfg[] = {
{
.name = "enable",
.read = handle_enable_read,
.write = handle_enable_write
}, {
.name = "enable_vlan",
.read = handle_enable_vlan_read,
.write = handle_enable_vlan_write
}, {
.name = "reset",
.read = NULL,
.write = handle_reset
}, { NULL, },
};
switch_config vlan[] = {
{"ports", handle_vlan_port_read, handle_vlan_port_write},
{NULL, NULL, NULL}
static const switch_config vlan[] = {
{
.name = "ports",
.read = handle_vlan_port_read,
.write = handle_vlan_port_write
}, { NULL, },
};
switch_driver driver = {
name: DRIVER_NAME,
version: DRIVER_VERSION,
interface: device,
cpuport: 5,
ports: 6,
vlans: 16,
driver_handlers: cfg,
port_handlers: NULL,
vlan_handlers: vlan,
.name = DRIVER_NAME,
.version = DRIVER_VERSION,
.interface = device,
.cpuport = 5,
.ports = 6,
.vlans = 16,
.driver_handlers = cfg,
.port_handlers = NULL,
.vlan_handlers = vlan,
};
return switch_register_driver(&driver);
@@ -463,7 +569,7 @@ static int __init robo_init(void)
static void __exit robo_exit(void)
{
switch_unregister_driver(DRIVER_NAME);
kfree(device);
kfree(robo.device);
}