[package] iptables: fix layer7 patch to place the source in extensions/, I doubt...

[openwrt.git] / package / switch / src / switch-core.c

diff --git a/package/switch/src/switch-core.c b/package/switch/src/switch-core.c
index 87aa972..2e53959 100644 (file)
--- a/package/switch/src/switch-core.c
+++ b/package/switch/src/switch-core.c
@@ -17,7 +17,6 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  *
- * $Id: $
  *
  * Basic doc of driver's /proc interface:
  * /proc/switch/<interface>/
@@ -32,7 +31,6 @@
  *     ports: same syntax as for nvram's vlan*ports (eg. "1 2 3 4 5*")
  */
 
-#include <linux/autoconf.h>
 #include <linux/module.h>
 #include <linux/init.h>
 #include <asm/uaccess.h>
@@ -70,18 +68,13 @@ static struct file_operations switch_proc_fops = {
 
 static ssize_t switch_proc_read(struct file *file, char *buf, size_t count, loff_t *ppos)
 {
-#ifdef LINUX_2_4
-       struct inode *inode = file->f_dentry->d_inode;
-       struct proc_dir_entry *dent = inode->u.generic_ip;
-#else
        struct proc_dir_entry *dent = PDE(file->f_dentry->d_inode);
-#endif
        char *page;
        int len = 0;
-       
+
        if ((page = kmalloc(SWITCH_MAX_BUFSZ, GFP_KERNEL)) == NULL)
                return -ENOBUFS;
-       
+
        if (dent->data != NULL) {
                switch_proc_handler *handler = (switch_proc_handler *) dent->data;
                if (handler->handler.read != NULL)
@@ -107,12 +100,7 @@ static ssize_t switch_proc_read(struct file *file, char *buf, size_t count, loff
 
 static ssize_t switch_proc_write(struct file *file, const char *buf, size_t count, void *data)
 {
-#ifdef LINUX_2_4
-       struct inode *inode = file->f_dentry->d_inode;
-       struct proc_dir_entry *dent = inode->u.generic_ip;
-#else
        struct proc_dir_entry *dent = PDE(file->f_dentry->d_inode);
-#endif
        char *page;
        int ret = -EINVAL;
 
@@ -124,7 +112,7 @@ static ssize_t switch_proc_write(struct file *file, const char *buf, size_t coun
                return -EINVAL;
        }
        page[count] = 0;
-       
+
        if (dent->data != NULL) {
                switch_proc_handler *handler = (switch_proc_handler *) dent->data;
                if (handler->handler.write != NULL) {
@@ -166,11 +154,11 @@ static void add_handler(switch_driver *driver, const switch_config *handler, str
        tmp->driver = driver;
        memcpy(&tmp->handler, handler, sizeof(switch_config));
        list_add(&tmp->list, &priv->data.list);
-       
+
        mode = 0;
        if (handler->read != NULL) mode |= S_IRUSR;
        if (handler->write != NULL) mode |= S_IWUSR;
-       
+
        if ((p = create_proc_entry(handler->name, mode, parent)) != NULL) {
                p->data = (void *) tmp;
                p->proc_fops = &switch_proc_fops;
@@ -180,11 +168,11 @@ static void add_handler(switch_driver *driver, const switch_config *handler, str
 static inline void add_handlers(switch_driver *driver, const switch_config *handlers, struct proc_dir_entry *parent, int nr)
 {
        int i;
-       
+
        for (i = 0; handlers[i].name != NULL; i++) {
                add_handler(driver, &(handlers[i]), parent, nr);
        }
-}              
+}
 
 static void remove_handlers(switch_priv *priv)
 {
@@ -207,7 +195,7 @@ static void do_unregister(switch_driver *driver)
        switch_priv *priv = (switch_priv *) driver->data;
 
        remove_handlers(priv);
-       
+
        for(i = 0; priv->ports[i] != NULL; i++) {
                sprintf(buf, "%d", i);
                remove_proc_entry(buf, priv->port_dir);
@@ -223,7 +211,7 @@ static void do_unregister(switch_driver *driver)
        remove_proc_entry("vlan", priv->driver_dir);
 
        remove_proc_entry(driver->interface, switch_root);
-                       
+
        if (priv->nr == (drv_num - 1))
                drv_num--;
 
@@ -262,14 +250,14 @@ static int do_register(switch_driver *driver)
        }
 
        INIT_LIST_HEAD(&priv->data.list);
-       
+
        priv->nr = drv_num++;
        priv->driver_dir = proc_mkdir(driver->interface, switch_root);
        if (driver->driver_handlers != NULL) {
                add_handlers(driver, driver->driver_handlers, priv->driver_dir, 0);
                add_handlers(driver, global_driver_handlers, priv->driver_dir, 0);
        }
-       
+
        priv->port_dir = proc_mkdir("port", priv->driver_dir);
        for (i = 0; i < driver->ports; i++) {
                sprintf(buf, "%d", i);
@@ -278,7 +266,7 @@ static int do_register(switch_driver *driver)
                        add_handlers(driver, driver->port_handlers, priv->ports[i], i);
        }
        priv->ports[i] = NULL;
-       
+
        priv->vlan_dir = proc_mkdir("vlan", priv->driver_dir);
        for (i = 0; i < driver->vlans; i++) {
                sprintf(buf, "%d", i);
@@ -287,7 +275,7 @@ static int do_register(switch_driver *driver)
                        add_handlers(driver, driver->vlan_handlers, priv->vlans[i], i);
        }
        priv->vlans[i] = NULL;
-       
+
 
        return 0;
 }
@@ -306,7 +294,7 @@ static inline int isspace(char c) {
 
 #define toupper(c) (islower(c) ? ((c) ^ 0x20) : (c))
 #define islower(c) (((unsigned char)((c) - 'a')) < 26)
-                                                                                                                
+
 int switch_parse_media(char *buf)
 {
        char *str = buf;
@@ -352,7 +340,7 @@ switch_vlan_config *switch_parse_vlan(switch_driver *driver, char *buf)
 {
        switch_vlan_config *c;
        int j, u, p, s;
-       
+
        c = kmalloc(sizeof(switch_vlan_config), GFP_KERNEL);
        if (!c)
                return NULL;
@@ -367,7 +355,7 @@ switch_vlan_config *switch_parse_vlan(switch_driver *driver, char *buf)
                u = ((j == driver->cpuport) ? 0 : 1);
                p = 0;
                s = !(*buf >= '0' && *buf <= '9');
-       
+
                if (s) {
                        while (s && !isspace(*buf) && (*buf != 0)) {
                                switch(*buf) {
@@ -391,7 +379,7 @@ switch_vlan_config *switch_parse_vlan(switch_driver *driver, char *buf)
 
                        j = 0;
                }
-               
+
                while (isspace(*buf)) buf++;
        }
        if (*buf != 0) return NULL;
@@ -399,11 +387,26 @@ switch_vlan_config *switch_parse_vlan(switch_driver *driver, char *buf)
        c->port &= (1 << driver->ports) - 1;
        c->untag &= (1 << driver->ports) - 1;
        c->pvid &= (1 << driver->ports) - 1;
-       
+
        return c;
 }
 
 
+int switch_device_registered (char* device) {
+       struct list_head *pos;
+       switch_driver *new;
+
+       list_for_each(pos, &drivers.list) {
+               if (strcmp(list_entry(pos, switch_driver, list)->interface, device) == 0) {
+                       printk("There is already a switch registered on the device '%s'\n", device);
+                       return -EINVAL;
+               }
+       }
+
+       return 0;
+}
+
+
 int switch_register_driver(switch_driver *driver)
 {
        struct list_head *pos;
@@ -464,7 +467,7 @@ static int __init switch_init(void)
        }
 
        INIT_LIST_HEAD(&drivers.list);
-       
+
        return 0;
 }
 
@@ -476,6 +479,7 @@ static void __exit switch_exit(void)
 MODULE_AUTHOR("Felix Fietkau <openwrt@nbd.name>");
 MODULE_LICENSE("GPL");
 
+EXPORT_SYMBOL(switch_device_registered);
 EXPORT_SYMBOL(switch_register_driver);
 EXPORT_SYMBOL(switch_unregister_driver);
 EXPORT_SYMBOL(switch_parse_vlan);