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Diffstat (limited to 'target/linux/package/switch/src/switch-core.c')
-rw-r--r--target/linux/package/switch/src/switch-core.c98
1 files changed, 61 insertions, 37 deletions
diff --git a/target/linux/package/switch/src/switch-core.c b/target/linux/package/switch/src/switch-core.c
index 8b4419b29..c0e5cc9ea 100644
--- a/target/linux/package/switch/src/switch-core.c
+++ b/target/linux/package/switch/src/switch-core.c
@@ -37,6 +37,7 @@ typedef struct {
struct list_head list;
struct proc_dir_entry *parent;
int nr;
+ void *driver;
switch_config handler;
} switch_proc_handler;
@@ -47,7 +48,6 @@ typedef struct {
int nr;
} switch_priv;
-
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);
@@ -56,7 +56,7 @@ static struct file_operations switch_proc_fops = {
write: switch_proc_write
};
-static char *strdup(char *str)
+static inline char *strdup(char *str)
{
char *new = kmalloc(strlen(str) + 1, GFP_KERNEL);
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) {
switch_proc_handler *handler = (switch_proc_handler *) dent->data;
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;
@@ -122,7 +122,7 @@ static ssize_t switch_proc_write(struct file *file, const char *buf, size_t coun
if (dent->data != NULL) {
switch_proc_handler *handler = (switch_proc_handler *) dent->data;
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;
}
}
@@ -131,8 +131,9 @@ static ssize_t switch_proc_write(struct file *file, const char *buf, size_t coun
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;
int i, mode;
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);
tmp->parent = parent;
tmp->nr = nr;
+ tmp->driver = driver;
memcpy(&tmp->handler, &(handlers[i]), sizeof(switch_config));
list_add(&tmp->list, &priv->data.list);
@@ -192,7 +194,7 @@ static void do_unregister(switch_driver *driver)
kfree(priv->vlans);
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))
drv_num--;
@@ -213,10 +215,9 @@ static int do_register(switch_driver *driver)
INIT_LIST_HEAD(&priv->data.list);
priv->nr = drv_num++;
- sprintf(buf, "%d", priv->nr);
- priv->driver_dir = proc_mkdir(buf, switch_root);
+ priv->driver_dir = proc_mkdir(driver->interface, switch_root);
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->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);
priv->ports[i] = proc_mkdir(buf, priv->port_dir);
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;
@@ -234,7 +235,7 @@ static int do_register(switch_driver *driver)
sprintf(buf, "%d", i);
priv->vlans[i] = proc_mkdir(buf, priv->vlan_dir);
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;
@@ -242,7 +243,7 @@ static int do_register(switch_driver *driver)
return 0;
}
-static int isspace(char c) {
+static inline int isspace(char c) {
switch(c) {
case ' ':
case 0x09:
@@ -298,39 +299,57 @@ int switch_print_media(char *buf, int media)
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;
- int untag, j;
+ switch_vlan_config *c;
+ int j, u, p, s;
+
+ c = kmalloc(sizeof(switch_vlan_config), GFP_KERNEL);
+ memset(c, 0, sizeof(switch_vlan_config));
while (isspace(*buf)) buf++;
-
+ j = 0;
while (*buf >= '0' && *buf <= '9') {
- j = *buf++ - '0';
- vlan |= 1 << j;
-
- untag = 0;
- /* untag if needed, CPU port requires special handling */
- if (*buf == 'u' || (j != 5 && (isspace(*buf) || *buf == 0))) {
- untag = 1;
- if (*buf) buf++;
- } else if (*buf == '*') {
- pvid_port |= (1 << j);
- buf++;
- } else if (*buf == 't' || isspace(*buf)) {
- buf++;
- } else break;
-
- if (!untag)
- tag |= 1 << j;
+ j *= 10;
+ j += *buf++ - '0';
+
+ u = ((j == driver->cpuport) ? 0 : 1);
+ p = 0;
+ s = !(*buf >= '0' && *buf <= '9');
+
+ if (s) {
+ 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++;
}
-
- if (*buf)
- return -1;
+ if (*buf != 0) return NULL;
- return (pvid_port << 16) | (tag << 8) | vlan;
+ c->port &= (1 << driver->ports) - 1;
+ c->untag &= (1 << driver->ports) - 1;
+ c->pvid &= (1 << driver->ports) - 1;
+
+ 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);
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);
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);
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-21 11:16:43 +0000