switch driver updates and fixes

SVN-Revision: 2925

openwrt/target/linux/package/switch/src/switch-adm.c

@@ -32,6 +32,7 @@
 #include "gpio.h"
 
 #define DRIVER_NAME "adm6996"
+#define DRIVER_VERSION "0.01"
 
 static int eecs = 2;
 static int eesk = 3;
@@ -57,8 +58,9 @@ MODULE_PARM(force, "i");
 #define adm_write16(cs, w) { __u16 val = hton16(w); adm_write(cs, (__u8 *)&val, sizeof(val)*8); }
 #define adm_write32(cs, i) { uint32 val = hton32(i); adm_write(cs, (__u8 *)&val, sizeof(val)*8); }
 
+#define atoi(str) simple_strtoul(((str != NULL) ? str : ""), NULL, 0)
 
-extern int getintvar(char **vars, char *name);
+extern char *nvram_get(char *name);
 
 
 static void adm_write(int cs, char *buf, unsigned int bits)
@@ -442,11 +444,8 @@ static int detect_adm()
 	int ret = 0;
 
 #if defined(BCMGPIO2) || defined(BCMGPIO)
-#ifdef LINUX_2_4
+	int boardflags = atoi(nvram_get("boardflags"));
-	int boardflags = getintvar(NULL, "boardflags");
+
-#else
-	extern int boardflags;
-#endif
 	if ((boardflags & 0x80) || force)
 		ret = 1;
 	else 
@@ -454,13 +453,6 @@ static int detect_adm()
 #else
 	ret = 1;
 #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;
 }
@@ -475,7 +467,7 @@ static int __init adm_init()
 		{NULL, NULL, NULL}
 	};
 	switch_config port[] = {
-		{"enabled", handle_port_enable_read, handle_port_enable_write},
+		{"enable", handle_port_enable_read, handle_port_enable_write},
 		{"media", handle_port_media_read, handle_port_media_write},
 		{NULL, NULL, NULL}
 	};
@@ -485,6 +477,7 @@ static int __init adm_init()
 	};
 	switch_driver driver = {
 		name: DRIVER_NAME,
+		version: DRIVER_VERSION,
 		interface: "eth0",
 		ports: 6,
 		cpuport: 5,

openwrt/target/linux/package/switch/src/switch-core.c

@@ -131,31 +131,51 @@ static ssize_t switch_proc_write(struct file *file, const char *buf, size_t coun
 	return ret;
 }
 
-static void add_handlers(switch_driver *driver, switch_config *handlers, struct proc_dir_entry *parent, int nr)
+static int handle_driver_name(void *driver, char *buf, int nr)
+{
+	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;
+	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)
 {
 	switch_priv *priv = (switch_priv *) driver->data;
-	switch_proc_handler *tmp;
-	int i, mode;
 	struct proc_dir_entry *p;
+	int mode;
 
-	for (i = 0; handlers[i].name != NULL; i++) {
+	switch_proc_handler *tmp;
-		tmp = kmalloc(sizeof(switch_proc_handler), GFP_KERNEL);
+	tmp = (switch_proc_handler *) kmalloc(sizeof(switch_proc_handler), GFP_KERNEL);
 	INIT_LIST_HEAD(&tmp->list);
 	tmp->parent = parent;
 	tmp->nr = nr;
 	tmp->driver = driver;
-		memcpy(&tmp->handler, &(handlers[i]), sizeof(switch_config));
+	memcpy(&tmp->handler, handler, sizeof(switch_config));
 	list_add(&tmp->list, &priv->data.list);
 	
 	mode = 0;
-		if (handlers[i].read != NULL) mode |= S_IRUSR;
+	if (handler->read != NULL) mode |= S_IRUSR;
-		if (handlers[i].write != NULL) mode |= S_IWUSR;
+	if (handler->write != NULL) mode |= S_IWUSR;
 	
-		if ((p = create_proc_entry(handlers[i].name, mode, parent)) != NULL) {
+	if ((p = create_proc_entry(handler->name, mode, parent)) != NULL) {
 		p->data = (void *) tmp;
 		p->proc_fops = &switch_proc_fops;
 	}
 }
+
+static inline void add_handlers(switch_driver *driver, 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)
@@ -202,6 +222,12 @@ static void do_unregister(switch_driver *driver)
 	kfree(priv);
 }
 
+switch_config global_driver_handlers[] = {
+	{"driver", handle_driver_name, NULL},
+	{"version", handle_driver_version, NULL},
+	{NULL, NULL, NULL}
+};
+
 static int do_register(switch_driver *driver)
 {
 	switch_priv *priv;
@@ -216,8 +242,10 @@ static int do_register(switch_driver *driver)
 	
 	priv->nr = drv_num++;
 	priv->driver_dir = proc_mkdir(driver->interface, switch_root);
-	if (driver->driver_handlers != NULL)
+	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);
 	priv->ports = kmalloc((driver->ports + 1) * sizeof(struct proc_dir_entry *), GFP_KERNEL);

openwrt/target/linux/package/switch/src/switch-core.h

@@ -27,6 +27,7 @@ typedef struct {
 typedef struct {
 	struct list_head list;
 	char *name;
+	char *version;
 	char *interface;
 	int cpuport;
 	int ports;

openwrt/target/linux/package/switch/src/switch-robo.c

@@ -34,6 +34,7 @@
 #include "etc53xx.h"
 
 #define DRIVER_NAME		"bcm53xx"
+#define DRIVER_VERSION	"0.01"
 
 #define ROBO_PHY_ADDR	0x1E	/* robo switch phy address */
 
@@ -332,6 +333,75 @@ static int handle_vlan_port_write(void *driver, char *buf, int nr)
 	return 0;
 }
 
+#define set_switch(state) \
+	robo_write16(ROBO_CTRL_PAGE, ROBO_SWITCH_MODE, (robo_read16(ROBO_CTRL_PAGE, ROBO_SWITCH_MODE) & ~2) | (state ? 2 : 0));
+
+static int handle_enable_read(void *driver, char *buf, int nr)
+{
+	return sprintf(buf, "%d\n", (((robo_read16(ROBO_CTRL_PAGE, ROBO_SWITCH_MODE) & 2) == 2) ? 1 : 0));
+}
+
+static int handle_enable_write(void *driver, char *buf, int nr)
+{
+	set_switch(buf[0] == '1');
+
+	return 0;
+}
+
+static int handle_enable_vlan_read(void *driver, char *buf, int nr)
+{
+	return sprintf(buf, "%d\n", (((robo_read16(ROBO_VLAN_PAGE, ROBO_VLAN_CTRL0) & (1 << 7)) == (1 << 7)) ? 1 : 0));
+}
+
+static int handle_enable_vlan_write(void *driver, char *buf, int nr)
+{
+	int disable = ((buf[0] != '1') ? 1 : 0);
+	
+	robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_CTRL0, disable ? 0 :
+		(1 << 7) /* 802.1Q VLAN */ | (3 << 5) /* mac check and hash */);
+	robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_CTRL1, disable ? 0 :
+		(1 << 1) | (1 << 2) | (1 << 3) /* RSV multicast */);
+	robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_CTRL4, disable ? 0 :
+		(1 << 6) /* drop invalid VID frames */);
+	robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_CTRL5, disable ? 0 :
+		(1 << 3) /* drop miss V table frames */);
+
+	return 0;
+}
+
+static int handle_reset(void *driver, char *buf, int nr)
+{
+	switch_driver *d = (switch_driver *) driver;
+	switch_vlan_config *c = switch_parse_vlan(d, buf);
+	int j;
+	__u16 val16;
+	
+	if (c == NULL)
+		return -EINVAL;
+
+	/* disable switching */
+	set_switch(0);
+
+	/* reset vlans */
+	for (j = 0; j <= (is_5350 ? VLAN_ID_MAX5350 : VLAN_ID_MAX); j++) {
+		/* write config now */
+		val16 = (j) /* vlan */ | (1 << 12) /* write */ | (1 << 13) /* enable */;
+		if (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);
+	}
+	
+	/* enable switching */
+	set_switch(1);
+
+	/* enable vlans */
+	handle_enable_vlan_write(driver, "1", 0);
+
+	return 0;
+}
+
 static int __init robo_init()
 {
 	char *device = "ethX";
@@ -345,17 +415,24 @@ static int __init robo_init()
 	if (notfound)
 		return -ENODEV;
 	else {
+		switch_config main[] = {
+			{"enable", handle_enable_read, handle_enable_write},
+			{"enable_vlan", handle_enable_vlan_read, handle_enable_vlan_write},
+			{"reset", NULL, handle_reset},
+			{NULL, NULL, NULL}
+		};
 		switch_config vlan[] = {
 			{"ports", handle_vlan_port_read, handle_vlan_port_write},
 			{NULL, NULL, NULL}
 		};
 		switch_driver driver = {
 			name: DRIVER_NAME,
+			version: DRIVER_VERSION,
 			interface: device,
 			cpuport: 5,
 			ports: 6,
 			vlans: 16,
-			driver_handlers: NULL,
+			driver_handlers: main,
 			port_handlers: NULL,
 			vlan_handlers: vlan,
 		};