switch: export name of device found via /proc
[librecmc/librecmc.git] / package / switch / src / switch-core.c
index e4a3b10ad519a4c6ce48cc568aad547eeb958238..fc8a6bf2c76df72863d5c9f3f32f90a495013413 100644 (file)
@@ -26,7 +26,7 @@
  *   enable_vlan:            "0", "1"
  *   port/<port-number>/
  *     enabled:              "0", "1"
- *     media:                "AUTO", "100FD", "100HD", "10FD", "10HD"
+ *     media:                "AUTO", "1000FD", "1000HD", "100FD", "100HD", "10FD", "10HD"
  *   vlan/<port-number>/
  *     ports: same syntax as for nvram's vlan*ports (eg. "1 2 3 4 5*")
  */
@@ -71,10 +71,10 @@ static ssize_t switch_proc_read(struct file *file, char *buf, size_t count, loff
        struct proc_dir_entry *dent = PDE(file->f_dentry->d_inode);
        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)
@@ -112,7 +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) {
@@ -138,6 +138,30 @@ static int handle_driver_version(void *driver, char *buf, int nr)
        return sprintf(buf, "%s\n", version);
 }
 
+static int handle_driver_cpuport(void *driver, char *buf, int nr)
+{
+       int cpuport = ((switch_driver *) driver)->cpuport;
+       return sprintf(buf, "%i\n", cpuport);
+}
+
+static int handle_driver_ports(void *driver, char *buf, int nr)
+{
+       int ports = ((switch_driver *) driver)->ports;
+       return sprintf(buf, "%i\n", ports);
+}
+
+static int handle_driver_vlans(void *driver, char *buf, int nr)
+{
+       int vlans = ((switch_driver *) driver)->vlans;
+       return sprintf(buf, "%i\n", vlans);
+}
+
+static int handle_driver_dev_name(void *driver, char *buf, int nr)
+{
+       char *dev_name = ((switch_driver *) driver)->dev_name;
+       return sprintf(buf, "%s\n", dev_name);
+}
+
 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;
@@ -154,11 +178,11 @@ 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;
@@ -168,11 +192,11 @@ 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)
 {
@@ -195,7 +219,7 @@ 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);
@@ -211,7 +235,7 @@ 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--;
 
@@ -221,6 +245,10 @@ static void do_unregister(switch_driver *driver)
 switch_config global_driver_handlers[] = {
        {"driver", handle_driver_name, NULL},
        {"version", handle_driver_version, NULL},
+       {"cpuport", handle_driver_cpuport, NULL},
+       {"ports", handle_driver_ports, NULL},
+       {"vlans", handle_driver_vlans, NULL},
+       {"dev_name", handle_driver_dev_name, NULL},
        {NULL, NULL, NULL}
 };
 
@@ -250,14 +278,14 @@ 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);
@@ -266,7 +294,7 @@ 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);
@@ -275,7 +303,7 @@ static int do_register(switch_driver *driver)
                        add_handlers(driver, driver->vlan_handlers, priv->vlans[i], i);
        }
        priv->vlans[i] = NULL;
-       
+
 
        return 0;
 }
@@ -294,7 +322,7 @@ 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;
@@ -305,6 +333,10 @@ int switch_parse_media(char *buf)
 
        if (strncmp(str, "AUTO", 4) == 0)
                return SWITCH_MEDIA_AUTO;
+       else if (strncmp(str, "1000FD", 6) == 0)
+               return SWITCH_MEDIA_1000 | SWITCH_MEDIA_FD;
+       else if (strncmp(str, "1000HD", 6) == 0)
+               return SWITCH_MEDIA_1000;
        else if (strncmp(str, "100FD", 5) == 0)
                return SWITCH_MEDIA_100 | SWITCH_MEDIA_FD;
        else if (strncmp(str, "100HD", 5) == 0)
@@ -322,14 +354,18 @@ int switch_print_media(char *buf, int media)
 
        if (media & SWITCH_MEDIA_AUTO)
                len = sprintf(buf, "Auto");
+       else if (media == (SWITCH_MEDIA_1000 | SWITCH_MEDIA_FD))
+               len = sprintf(buf, "1000FD");
+       else if (media == SWITCH_MEDIA_1000)
+               len = sprintf(buf, "1000HD");
        else if (media == (SWITCH_MEDIA_100 | SWITCH_MEDIA_FD))
                len = sprintf(buf, "100FD");
        else if (media == SWITCH_MEDIA_100)
-               len = sprintf(buf,  "100HD");
+               len = sprintf(buf, "100HD");
        else if (media == SWITCH_MEDIA_FD)
-               len = sprintf(buf,  "10FD");
+               len = sprintf(buf, "10FD");
        else if (media == 0)
-               len = sprintf(buf,  "10HD");
+               len = sprintf(buf, "10HD");
        else
                len = sprintf(buf, "Invalid");
 
@@ -340,11 +376,10 @@ 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);
+
+       c = kzalloc(sizeof(switch_vlan_config), GFP_KERNEL);
        if (!c)
                return NULL;
-       memset(c, 0, sizeof(switch_vlan_config));
 
        while (isspace(*buf)) buf++;
        j = 0;
@@ -355,7 +390,7 @@ 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) {
@@ -379,22 +414,24 @@ switch_vlan_config *switch_parse_vlan(switch_driver *driver, char *buf)
 
                        j = 0;
                }
-               
+
                while (isspace(*buf)) buf++;
        }
-       if (*buf != 0) return NULL;
+       if (*buf != 0) {
+               kfree(c);
+               return NULL;
+       }
 
        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) {
@@ -467,7 +504,7 @@ static int __init switch_init(void)
        }
 
        INIT_LIST_HEAD(&drivers.list);
-       
+
        return 0;
 }