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Code

kmod-switch: vlan parser rewrite, some api changes, minor fixes

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@2819 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd 2006-01-04 19:10:06 +00:00
parent d52c94217f
commit 7e96759271
4 changed files with 127 additions and 105 deletions
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56
openwrt/target/linux/package/switch/src/switch-adm.c
View File

@ -240,7 +240,7 @@ static int port_conf[] = { 0x01, 0x03, 0x05, 0x07, 0x08, 0x09 };
/* Bits in VLAN port mapping */ /* Bits in VLAN port mapping */
static int vlan_ports[] = { 1 << 0, 1 << 2, 1 << 4, 1 << 6, 1 << 7, 1 << 8 }; static int vlan_ports[] = { 1 << 0, 1 << 2, 1 << 4, 1 << 6, 1 << 7, 1 << 8 };
static int handle_vlan_port_read(char *buf, int nr) static int handle_vlan_port_read(void *driver, char *buf, int nr)
{ {
int ports, i, c, len = 0; int ports, i, c, len = 0;
@ -261,30 +261,33 @@ static int handle_vlan_port_read(char *buf, int nr)
return len; return len;
} }
static int handle_vlan_port_write(char *buf, int nr) static int handle_vlan_port_write(void *driver, char *buf, int nr)
{ {
int i, c, ports; int i, cfg, ports;
int map = switch_parse_vlan(buf); switch_driver *d = (switch_driver *) driver;
switch_vlan_config *c = switch_parse_vlan(d, buf);
if (map == -1) if (c == NULL)
return -1; return -1;
ports = adm_rreg(0, 0x13 + nr); ports = adm_rreg(0, 0x13 + nr);
for (i = 0; i <= 5; i++) { for (i = 0; i < d->ports; i++) {
if (map & (1 << i)) { if (c->port & (1 << i)) {
ports |= vlan_ports[i]; ports |= vlan_ports[i];
c = adm_rreg(0, port_conf[i]); cfg = adm_rreg(0, port_conf[i]);
/* Tagging */ /* Tagging */
if (map & (1 << (8 + i))) if (c->untag & (1 << i))
c |= (1 << 4); cfg &= ~(1 << 4);
else else
c &= ~(1 << 4); cfg |= (1 << 4);
c = (c & ~(0xf << 10)) | (nr << 10); if ((c->untag | c->pvid) & (1 << i)) {
cfg = (cfg & ~(0xf << 10)) | (nr << 10);
}
adm_wreg(port_conf[i], (__u16) c); adm_wreg(port_conf[i], (__u16) cfg);
} else { } else {
ports &= ~(vlan_ports[i]); ports &= ~(vlan_ports[i]);
} }
@ -294,12 +297,12 @@ static int handle_vlan_port_write(char *buf, int nr)
return 0; return 0;
} }
static int handle_port_enable_read(char *buf, int nr) static int handle_port_enable_read(void *driver, char *buf, int nr)
{ {
return sprintf(buf, "%d\n", ((adm_rreg(0, port_conf[nr]) & (1 << 5)) ? 0 : 1)); return sprintf(buf, "%d\n", ((adm_rreg(0, port_conf[nr]) & (1 << 5)) ? 0 : 1));
} }
static int handle_port_enable_write(char *buf, int nr) static int handle_port_enable_write(void *driver, char *buf, int nr)
{ {
int reg = adm_rreg(0, port_conf[nr]); int reg = adm_rreg(0, port_conf[nr]);
@ -313,7 +316,7 @@ static int handle_port_enable_write(char *buf, int nr)
return 0; return 0;
} }
static int handle_port_media_read(char *buf, int nr) static int handle_port_media_read(void *driver, char *buf, int nr)
{ {
int len; int len;
int media = 0; int media = 0;
@ -330,7 +333,7 @@ static int handle_port_media_read(char *buf, int nr)
return len + sprintf(buf + len, "\n"); return len + sprintf(buf + len, "\n");
} }
static int handle_port_media_write(char *buf, int nr) static int handle_port_media_write(void *driver, char *buf, int nr)
{ {
int media = switch_parse_media(buf); int media = switch_parse_media(buf);
int reg = adm_rreg(0, port_conf[nr]); int reg = adm_rreg(0, port_conf[nr]);
@ -351,12 +354,12 @@ static int handle_port_media_write(char *buf, int nr)
return 0; return 0;
} }
static int handle_vlan_enable_read(char *buf, int nr) static int handle_vlan_enable_read(void *driver, char *buf, int nr)
{ {
return sprintf(buf, "%d\n", ((adm_rreg(0, 0x11) & (1 << 5)) ? 1 : 0)); return sprintf(buf, "%d\n", ((adm_rreg(0, 0x11) & (1 << 5)) ? 1 : 0));
} }
static int handle_vlan_enable_write(char *buf, int nr) static int handle_vlan_enable_write(void *driver, char *buf, int nr)
{ {
int reg = adm_rreg(0, 0x11); int reg = adm_rreg(0, 0x11);
@ -370,7 +373,7 @@ static int handle_vlan_enable_write(char *buf, int nr)
return 0; return 0;
} }
static int handle_reset(char *buf, int nr) static int handle_reset(void *driver, char *buf, int nr)
{ {
int i; int i;
@ -412,7 +415,7 @@ static int handle_reset(char *buf, int nr)
return 0; return 0;
} }
static int handle_registers(char *buf, int nr) static int handle_registers(void *driver, char *buf, int nr)
{ {
int i, len = 0; int i, len = 0;
@ -423,7 +426,7 @@ static int handle_registers(char *buf, int nr)
return len; return len;
} }
static int handle_counters(char *buf, int nr) static int handle_counters(void *driver, char *buf, int nr)
{ {
int i, len = 0; int i, len = 0;
@ -451,6 +454,13 @@ static int detect_adm()
#else #else
ret = 1; ret = 1;
#endif #endif
if (ret == 1) {
int i = adm_rreg(0, 0);
if ((i == 0) || (i == 0xffff)) {
printk("No ADM6996 chip detected.\n");
ret = 0;
}
}
return ret; return ret;
} }
@ -475,7 +485,9 @@ static int __init adm_init()
}; };
switch_driver driver = { switch_driver driver = {
name: DRIVER_NAME, name: DRIVER_NAME,
interface: "eth0",
ports: 6, ports: 6,
cpuport: 5,
vlans: 16, vlans: 16,
driver_handlers: cfg, driver_handlers: cfg,
port_handlers: port, port_handlers: port,

92
openwrt/target/linux/package/switch/src/switch-core.c
View File

@ -37,6 +37,7 @@ typedef struct {
struct list_head list; struct list_head list;
struct proc_dir_entry *parent; struct proc_dir_entry *parent;
int nr; int nr;
void *driver;
switch_config handler; switch_config handler;
} switch_proc_handler; } switch_proc_handler;
@ -47,7 +48,6 @@ typedef struct {
int nr; int nr;
} switch_priv; } switch_priv;
static ssize_t switch_proc_read(struct file *file, char *buf, size_t count, loff_t *ppos); static ssize_t switch_proc_read(struct file *file, char *buf, size_t count, loff_t *ppos);
static ssize_t switch_proc_write(struct file *file, const char *buf, size_t count, void *data); static ssize_t switch_proc_write(struct file *file, const char *buf, size_t count, void *data);
@ -56,7 +56,7 @@ static struct file_operations switch_proc_fops = {
write: switch_proc_write write: switch_proc_write
}; };
static char *strdup(char *str) static inline char *strdup(char *str)
{ {
char *new = kmalloc(strlen(str) + 1, GFP_KERNEL); char *new = kmalloc(strlen(str) + 1, GFP_KERNEL);
strcpy(new, str); strcpy(new, str);
@ -80,7 +80,7 @@ static ssize_t switch_proc_read(struct file *file, char *buf, size_t count, loff
if (dent->data != NULL) { if (dent->data != NULL) {
switch_proc_handler *handler = (switch_proc_handler *) dent->data; switch_proc_handler *handler = (switch_proc_handler *) dent->data;
if (handler->handler.read != NULL) if (handler->handler.read != NULL)
len += handler->handler.read(page + len, handler->nr); len += handler->handler.read(handler->driver, page + len, handler->nr);
} }
len += 1; len += 1;
@ -122,7 +122,7 @@ static ssize_t switch_proc_write(struct file *file, const char *buf, size_t coun
if (dent->data != NULL) { if (dent->data != NULL) {
switch_proc_handler *handler = (switch_proc_handler *) dent->data; switch_proc_handler *handler = (switch_proc_handler *) dent->data;
if (handler->handler.write != NULL) { if (handler->handler.write != NULL) {
if ((ret = handler->handler.write(page, handler->nr)) >= 0) if ((ret = handler->handler.write(handler->driver, page, handler->nr)) >= 0)
ret = count; ret = count;
} }
} }
@ -131,8 +131,9 @@ static ssize_t switch_proc_write(struct file *file, const char *buf, size_t coun
return ret; return ret;
} }
static void add_handlers(switch_priv *priv, switch_config *handlers, struct proc_dir_entry *parent, int nr) static void add_handlers(switch_driver *driver, switch_config *handlers, struct proc_dir_entry *parent, int nr)
{ {
switch_priv *priv = (switch_priv *) driver->data;
switch_proc_handler *tmp; switch_proc_handler *tmp;
int i, mode; int i, mode;
struct proc_dir_entry *p; struct proc_dir_entry *p;
@ -142,6 +143,7 @@ static void add_handlers(switch_priv *priv, switch_config *handlers, struct proc
INIT_LIST_HEAD(&tmp->list); INIT_LIST_HEAD(&tmp->list);
tmp->parent = parent; tmp->parent = parent;
tmp->nr = nr; tmp->nr = nr;
tmp->driver = driver;
memcpy(&tmp->handler, &(handlers[i]), sizeof(switch_config)); memcpy(&tmp->handler, &(handlers[i]), sizeof(switch_config));
list_add(&tmp->list, &priv->data.list); list_add(&tmp->list, &priv->data.list);
@ -192,7 +194,7 @@ static void do_unregister(switch_driver *driver)
kfree(priv->vlans); kfree(priv->vlans);
remove_proc_entry("vlan", priv->driver_dir); remove_proc_entry("vlan", priv->driver_dir);
remove_proc_entry(driver->name, switch_root); remove_proc_entry(driver->interface, switch_root);
if (priv->nr == (drv_num - 1)) if (priv->nr == (drv_num - 1))
drv_num--; drv_num--;
@ -213,10 +215,9 @@ static int do_register(switch_driver *driver)
INIT_LIST_HEAD(&priv->data.list); INIT_LIST_HEAD(&priv->data.list);
priv->nr = drv_num++; priv->nr = drv_num++;
sprintf(buf, "%d", priv->nr); priv->driver_dir = proc_mkdir(driver->interface, switch_root);
priv->driver_dir = proc_mkdir(buf, switch_root);
if (driver->driver_handlers != NULL) if (driver->driver_handlers != NULL)
add_handlers(priv, driver->driver_handlers, priv->driver_dir, 0); add_handlers(driver, driver->driver_handlers, priv->driver_dir, 0);
priv->port_dir = proc_mkdir("port", priv->driver_dir); priv->port_dir = proc_mkdir("port", priv->driver_dir);
priv->ports = kmalloc((driver->ports + 1) * sizeof(struct proc_dir_entry *), GFP_KERNEL); priv->ports = kmalloc((driver->ports + 1) * sizeof(struct proc_dir_entry *), GFP_KERNEL);
@ -224,7 +225,7 @@ static int do_register(switch_driver *driver)
sprintf(buf, "%d", i); sprintf(buf, "%d", i);
priv->ports[i] = proc_mkdir(buf, priv->port_dir); priv->ports[i] = proc_mkdir(buf, priv->port_dir);
if (driver->port_handlers != NULL) if (driver->port_handlers != NULL)
add_handlers(priv, driver->port_handlers, priv->ports[i], i); add_handlers(driver, driver->port_handlers, priv->ports[i], i);
} }
priv->ports[i] = NULL; priv->ports[i] = NULL;
@ -234,7 +235,7 @@ static int do_register(switch_driver *driver)
sprintf(buf, "%d", i); sprintf(buf, "%d", i);
priv->vlans[i] = proc_mkdir(buf, priv->vlan_dir); priv->vlans[i] = proc_mkdir(buf, priv->vlan_dir);
if (driver->vlan_handlers != NULL) if (driver->vlan_handlers != NULL)
add_handlers(priv, driver->vlan_handlers, priv->vlans[i], i); add_handlers(driver, driver->vlan_handlers, priv->vlans[i], i);
} }
priv->vlans[i] = NULL; priv->vlans[i] = NULL;
@ -242,7 +243,7 @@ static int do_register(switch_driver *driver)
return 0; return 0;
} }
static int isspace(char c) { static inline int isspace(char c) {
switch(c) { switch(c) {
case ' ': case ' ':
case 0x09: case 0x09:
@ -298,39 +299,57 @@ int switch_print_media(char *buf, int media)
return len; return len;
} }
int switch_parse_vlan(char *buf) switch_vlan_config *switch_parse_vlan(switch_driver *driver, char *buf)
{ {
char vlan = 0, tag = 0, pvid_port = 0; switch_vlan_config *c;
int untag, j; int j, u, p, s;
c = kmalloc(sizeof(switch_vlan_config), GFP_KERNEL);
memset(c, 0, sizeof(switch_vlan_config));
while (isspace(*buf)) buf++; while (isspace(*buf)) buf++;
j = 0;
while (*buf >= '0' && *buf <= '9') { while (*buf >= '0' && *buf <= '9') {
j = *buf++ - '0'; j *= 10;
vlan |= 1 << j; j += *buf++ - '0';
untag = 0; u = ((j == driver->cpuport) ? 0 : 1);
/* untag if needed, CPU port requires special handling */ p = 0;
if (*buf == 'u' || (j != 5 && (isspace(*buf) || *buf == 0))) { s = !(*buf >= '0' && *buf <= '9');
untag = 1;
if (*buf) buf++;
} else if (*buf == '*') {
pvid_port |= (1 << j);
buf++;
} else if (*buf == 't' || isspace(*buf)) {
buf++;
} else break;
if (!untag) if (s) {
tag |= 1 << j; while (s && !isspace(*buf) && (*buf != 0)) {
switch(*buf) {
case 'u':
u = 1;
break;
case 't':
u = 0;
break;
case '*':
p = 1;
break;
}
buf++;
}
c->port |= (1 << j);
if (u)
c->untag |= (1 << j);
if (p)
c->pvid |= (1 << j);
j = 0;
}
while (isspace(*buf)) buf++; while (isspace(*buf)) buf++;
} }
if (*buf != 0) return NULL;
if (*buf) c->port &= (1 << driver->ports) - 1;
return -1; c->untag &= (1 << driver->ports) - 1;
c->pvid &= (1 << driver->ports) - 1;
return (pvid_port << 16) | (tag << 8) | vlan; return c;
} }
@ -345,11 +364,16 @@ int switch_register_driver(switch_driver *driver)
printk("Switch driver '%s' already exists in the kernel\n", driver->name); printk("Switch driver '%s' already exists in the kernel\n", driver->name);
return -EINVAL; return -EINVAL;
} }
if (strcmp(list_entry(pos, switch_driver, list)->interface, driver->interface) == 0) {
printk("There is already a switch registered on the device '%s'\n", driver->interface);
return -EINVAL;
}
} }
new = kmalloc(sizeof(switch_driver), GFP_KERNEL); new = kmalloc(sizeof(switch_driver), GFP_KERNEL);
memcpy(new, driver, sizeof(switch_driver)); memcpy(new, driver, sizeof(switch_driver));
new->name = strdup(driver->name); new->name = strdup(driver->name);
new->interface = strdup(driver->interface);
if ((ret = do_register(new)) < 0) { if ((ret = do_register(new)) < 0) {
kfree(new->name); kfree(new->name);

12
openwrt/target/linux/package/switch/src/switch-core.h
View File

@ -17,27 +17,33 @@
#define LINUX_2_4 #define LINUX_2_4
#endif #endif
typedef int (*switch_handler)(char *buf, int nr); typedef int (*switch_handler)(void *driver, char *buf, int nr);
typedef struct { typedef struct {
char *name; char *name;
switch_handler read, write; switch_handler read, write;
} switch_config; } switch_config;
typedef struct { typedef struct {
struct list_head list; struct list_head list;
char *name; char *name;
char *interface;
int cpuport;
int ports; int ports;
int vlans; int vlans;
switch_config *driver_handlers, *port_handlers, *vlan_handlers; switch_config *driver_handlers, *port_handlers, *vlan_handlers;
void *data; void *data;
void *priv;
} switch_driver; } switch_driver;
typedef struct {
u32 port, untag, pvid;
} switch_vlan_config;
extern int switch_register_driver(switch_driver *driver); extern int switch_register_driver(switch_driver *driver);
extern void switch_unregister_driver(char *name); extern void switch_unregister_driver(char *name);
extern int switch_parse_vlan(char *buf); extern switch_vlan_config *switch_parse_vlan(switch_driver *driver, char *buf);
extern int switch_parse_media(char *buf); extern int switch_parse_media(char *buf);
extern int switch_print_media(char *buf, int media); extern int switch_print_media(char *buf, int media);

48
openwrt/target/linux/package/switch/src/switch-robo.c
View File

@ -56,18 +56,6 @@ static int max_vlans, max_ports;
static struct ifreq ifr; static struct ifreq ifr;
static struct net_device *dev; static struct net_device *dev;
static int isspace(char c) {
switch(c) {
case ' ':
case 0x09:
case 0x0a:
case 0x0d:
return 1;
default:
return 0;
}
}
static int do_ioctl(int cmd, void *buf) static int do_ioctl(int cmd, void *buf)
{ {
mm_segment_t old_fs = get_fs(); mm_segment_t old_fs = get_fs();
@ -297,7 +285,7 @@ static int robo_probe(char *devname)
} }
static int handle_vlan_port_read(char *buf, int nr) static int handle_vlan_port_read(void *driver, char *buf, int nr)
{ {
__u16 val16; __u16 val16;
int len = 0; int len = 0;
@ -337,45 +325,34 @@ static int handle_vlan_port_read(char *buf, int nr)
return len; return len;
} }
static int handle_vlan_port_write(char *buf, int nr) static int handle_vlan_port_write(void *driver, char *buf, int nr)
{ {
int untag = 0; switch_driver *d = (switch_driver *) driver;
int member = 0; switch_vlan_config *c = switch_parse_vlan(d, buf);
int j; int j;
__u16 val16; __u16 val16;
while (*buf >= '0' && *buf <= '9') { if (c == NULL)
j = *buf++ - '0'; return -EINVAL;
member |= 1 << j;
/* untag if needed, CPU port requires special handling */ for (j = 0; j < d->ports; j++) {
if (*buf == 'u' || (j != 5 && (isspace(*buf) || *buf == 0))) { if ((c->untag | c->pvid) & (1 << j))
untag |= 1 << j;
if (*buf) buf++;
/* change default vlan tag */ /* change default vlan tag */
robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_PORT0_DEF_TAG + (j << 1), nr); robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_PORT0_DEF_TAG + (j << 1), nr);
} else if (*buf == '*' || *buf == 't' || isspace(*buf)) {
buf++;
} else break;
while (isspace(*buf)) buf++;
} }
if (*buf) {
return -1;
} else {
/* write config now */ /* write config now */
val16 = (nr) /* vlan */ | (1 << 12) /* write */ | (1 << 13) /* enable */; val16 = (nr) /* vlan */ | (1 << 12) /* write */ | (1 << 13) /* enable */;
if (is_5350) { if (is_5350) {
robo_write32(ROBO_VLAN_PAGE, ROBO_VLAN_WRITE_5350, robo_write32(ROBO_VLAN_PAGE, ROBO_VLAN_WRITE_5350,
(1 << 20) /* valid */ | (untag << 6) | member); (1 << 20) /* valid */ | (c->untag << 6) | c->port);
robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS_5350, val16); robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS_5350, val16);
} else { } else {
robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_WRITE, robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_WRITE,
(1 << 14) /* valid */ | (untag << 7) | member); (1 << 14) /* valid */ | (c->untag << 7) | c->port);
robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS, val16); robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS, val16);
} }
}
return 0; return 0;
} }
@ -387,6 +364,7 @@ static int __init robo_init()
for (device[3] = '0'; (device[3] <= '3') && notfound; device[3]++) { for (device[3] = '0'; (device[3] <= '3') && notfound; device[3]++) {
notfound = robo_probe(device); notfound = robo_probe(device);
} }
device[3]--;
if (notfound) if (notfound)
return -ENODEV; return -ENODEV;
@ -397,6 +375,8 @@ static int __init robo_init()
}; };
switch_driver driver = { switch_driver driver = {
name: DRIVER_NAME, name: DRIVER_NAME,
interface: device,
cpuport: max_ports - 1,
ports: max_ports, ports: max_ports,
vlans: max_vlans, vlans: max_vlans,
driver_handlers: NULL, driver_handlers: NULL,