X-Git-Url: http://git.rohieb.name/openwrt.git/blobdiff_plain/f093fbf8a31d704c1a92f5ca1db8b01eda292e8b..044f0f9c5a1b53dcb4189886ab4ad2992c1be39e:/target/linux/generic/files/drivers/net/phy/swconfig.c

diff --git a/target/linux/generic/files/drivers/net/phy/swconfig.c b/target/linux/generic/files/drivers/net/phy/swconfig.c
index 799fc29d1..1f4491ac5 100644
--- a/target/linux/generic/files/drivers/net/phy/swconfig.c
+++ b/target/linux/generic/files/drivers/net/phy/swconfig.c
@@ -31,12 +31,16 @@
 #define DPRINTF(...) do {} while(0)
 #endif
 
+#define SWCONFIG_DEVNAME	"switch%d"
+
+#include "swconfig_leds.c"
+
 MODULE_AUTHOR("Felix Fietkau <nbd@openwrt.org>");
 MODULE_LICENSE("GPL");
 
 static int swdev_id = 0;
 static struct list_head swdevs;
-static spinlock_t swdevs_lock = SPIN_LOCK_UNLOCKED;
+static DEFINE_SPINLOCK(swdevs_lock);
 struct swconfig_callback;
 
 struct swconfig_callback
@@ -760,8 +764,9 @@ swconfig_send_switch(struct sk_buff *msg, u32 pid, u32 seq, int flags,
 		return -1;
 
 	NLA_PUT_U32(msg, SWITCH_ATTR_ID, dev->id);
-	NLA_PUT_STRING(msg, SWITCH_ATTR_NAME, dev->name);
 	NLA_PUT_STRING(msg, SWITCH_ATTR_DEV_NAME, dev->devname);
+	NLA_PUT_STRING(msg, SWITCH_ATTR_ALIAS, dev->alias);
+	NLA_PUT_STRING(msg, SWITCH_ATTR_NAME, dev->name);
 	NLA_PUT_U32(msg, SWITCH_ATTR_VLANS, dev->vlans);
 	NLA_PUT_U32(msg, SWITCH_ATTR_PORTS, dev->ports);
 	NLA_PUT_U32(msg, SWITCH_ATTR_CPU_PORT, dev->cpu_port);
@@ -857,13 +862,19 @@ static struct genl_ops swconfig_ops[] = {
 int
 register_switch(struct switch_dev *dev, struct net_device *netdev)
 {
+	struct switch_dev *sdev;
+	const int max_switches = 8 * sizeof(unsigned long);
+	unsigned long in_use = 0;
+	int err;
+	int i;
+
 	INIT_LIST_HEAD(&dev->dev_list);
 	if (netdev) {
 		dev->netdev = netdev;
-		if (!dev->devname)
-			dev->devname = netdev->name;
+		if (!dev->alias)
+			dev->alias = netdev->name;
 	}
-	BUG_ON(!dev->devname);
+	BUG_ON(!dev->alias);
 
 	if (dev->ports > 0) {
 		dev->portbuf = kzalloc(sizeof(struct switch_port) * dev->ports,
@@ -871,13 +882,36 @@ register_switch(struct switch_dev *dev, struct net_device *netdev)
 		if (!dev->portbuf)
 			return -ENOMEM;
 	}
-	dev->id = ++swdev_id;
 	swconfig_defaults_init(dev);
 	spin_lock_init(&dev->lock);
 	swconfig_lock();
+	dev->id = ++swdev_id;
+
+	list_for_each_entry(sdev, &swdevs, dev_list) {
+		if (!sscanf(sdev->devname, SWCONFIG_DEVNAME, &i))
+			continue;
+		if (i < 0 || i > max_switches)
+			continue;
+
+		set_bit(i, &in_use);
+	}
+	i = find_first_zero_bit(&in_use, max_switches);
+
+	if (i == max_switches) {
+		swconfig_unlock();
+		return -ENFILE;
+	}
+
+	/* fill device name */
+	snprintf(dev->devname, IFNAMSIZ, SWCONFIG_DEVNAME, i);
+
 	list_add(&dev->dev_list, &swdevs);
 	swconfig_unlock();
 
+	err = swconfig_create_led_trigger(dev);
+	if (err)
+		return err;
+
 	return 0;
 }
 EXPORT_SYMBOL_GPL(register_switch);
@@ -885,6 +919,7 @@ EXPORT_SYMBOL_GPL(register_switch);
 void
 unregister_switch(struct switch_dev *dev)
 {
+	swconfig_destroy_led_trigger(dev);
 	kfree(dev->portbuf);
 	spin_lock(&dev->lock);
 	swconfig_lock();