X-Git-Url: http://git.archive.openwrt.org/?p=project%2Fnetifd.git;a=blobdiff_plain;f=device.c;h=feeb2902a371ac088058a7a7f49d1dd6bf95757f;hp=9ef444e88a233f615c320fe3f3ec65d7f10d2f0b;hb=9cd56141e80ea7d19350584d382d303f884d0aa5;hpb=cf90523881521fe8396a728230169b6b8ea7e8da

diff --git a/device.c b/device.c
index 9ef444e..feeb290 100644
--- a/device.c
+++ b/device.c
@@ -31,15 +31,15 @@
 static struct avl_tree devices;
 
 static const struct blobmsg_policy dev_attrs[__DEV_ATTR_MAX] = {
-	[DEV_ATTR_TYPE] = { "type", BLOBMSG_TYPE_STRING },
-	[DEV_ATTR_IFNAME] = { "ifname", BLOBMSG_TYPE_ARRAY },
-	[DEV_ATTR_MTU] = { "mtu", BLOBMSG_TYPE_INT32 },
-	[DEV_ATTR_MACADDR] = { "macaddr", BLOBMSG_TYPE_STRING },
-	[DEV_ATTR_TXQUEUELEN] = { "txqueuelen", BLOBMSG_TYPE_INT32 },
-	[DEV_ATTR_ENABLED] = { "enabled", BLOBMSG_TYPE_BOOL },
+	[DEV_ATTR_TYPE] = { .name = "type", .type = BLOBMSG_TYPE_STRING },
+	[DEV_ATTR_IFNAME] = { .name = "ifname", .type = BLOBMSG_TYPE_ARRAY },
+	[DEV_ATTR_MTU] = { .name = "mtu", .type = BLOBMSG_TYPE_INT32 },
+	[DEV_ATTR_MACADDR] = { .name = "macaddr", .type = BLOBMSG_TYPE_STRING },
+	[DEV_ATTR_TXQUEUELEN] = { .name = "txqueuelen", .type = BLOBMSG_TYPE_INT32 },
+	[DEV_ATTR_ENABLED] = { .name = "enabled", .type = BLOBMSG_TYPE_BOOL },
 };
 
-const struct config_param_list device_attr_list = {
+const struct uci_blob_param_list device_attr_list = {
 	.n_params = __DEV_ATTR_MAX,
 	.params = dev_attrs,
 };
@@ -180,36 +180,26 @@ static void __init dev_init(void)
 	avl_init(&devices, avl_strcmp, true, NULL);
 }
 
-
-static void __device_broadcast_event(struct list_head *head, enum device_event ev)
+static int device_broadcast_cb(void *ctx, struct safe_list *list)
 {
-	struct device_user *dep;
-	static uint8_t idx[__DEV_EVENT_MAX];
-	bool found;
-
-	idx[ev]++;
-	do {
-		found = false;
-
-		list_for_each_entry(dep, head, list) {
-			if (!dep->cb)
-				continue;
+	struct device_user *dep = container_of(list, struct device_user, list);
+	int *ev = ctx;
 
-			if (dep->ev_idx[ev] == idx[ev])
-				continue;
+	/* device might have been removed by an earlier callback */
+	if (!dep->dev)
+		return 0;
 
-			dep->cb(dep, ev);
-			dep->ev_idx[ev] = idx[ev];
-			found = true;
-			break;
-		}
-	} while (found);
+	if (dep->cb)
+		dep->cb(dep, *ev);
+	return 0;
 }
 
 void device_broadcast_event(struct device *dev, enum device_event ev)
 {
-	__device_broadcast_event(&dev->aliases, ev);
-	__device_broadcast_event(&dev->users, ev);
+	int dev_ev = ev;
+
+	safe_list_for_each(&dev->aliases, device_broadcast_cb, &dev_ev);
+	safe_list_for_each(&dev->users, device_broadcast_cb, &dev_ev);
 }
 
 int device_claim(struct device_user *dep)
@@ -230,7 +220,7 @@ int device_claim(struct device_user *dep)
 	if (ret == 0)
 		device_broadcast_event(dev, DEV_EVENT_UP);
 	else {
-		D(DEVICE, "claim device %s failed: %d\n", dev->ifname, ret);
+		D(DEVICE, "claim %s %s failed: %d\n", dev->type->name, dev->ifname, ret);
 		dev->active = 0;
 		dep->claimed = false;
 	}
@@ -276,8 +266,8 @@ void device_init_virtual(struct device *dev, const struct device_type *type, con
 		strncpy(dev->ifname, name, IFNAMSIZ);
 
 	D(DEVICE, "Initialize device '%s'\n", dev->ifname);
-	INIT_LIST_HEAD(&dev->users);
-	INIT_LIST_HEAD(&dev->aliases);
+	INIT_SAFE_LIST(&dev->users);
+	INIT_SAFE_LIST(&dev->aliases);
 	dev->type = type;
 
 	if (!dev->set_state)
@@ -356,19 +346,21 @@ device_delete(struct device *dev)
 	dev->avl.key = NULL;
 }
 
-void device_cleanup(struct device *dev)
+static int device_cleanup_cb(void *ctx, struct safe_list *list)
 {
-	struct device_user *dep, *tmp;
-
-	D(DEVICE, "Clean up device '%s'\n", dev->ifname);
-	list_for_each_entry_safe(dep, tmp, &dev->users, list) {
-		if (!dep->cb)
-			continue;
-
+	struct device_user *dep = container_of(list, struct device_user, list);
+	if (dep->cb)
 		dep->cb(dep, DEV_EVENT_REMOVE);
-		device_release(dep);
-	}
 
+	device_release(dep);
+	return 0;
+}
+
+void device_cleanup(struct device *dev)
+{
+	D(DEVICE, "Clean up device '%s'\n", dev->ifname);
+	safe_list_for_each(&dev->users, device_cleanup_cb, NULL);
+	safe_list_for_each(&dev->aliases, device_cleanup_cb, NULL);
 	device_delete(dev);
 }
 
@@ -407,7 +399,10 @@ static int device_refcount(struct device *dev)
 	struct list_head *list;
 	int count = 0;
 
-	list_for_each(list, &dev->users)
+	list_for_each(list, &dev->users.list)
+		count++;
+
+	list_for_each(list, &dev->aliases.list)
 		count++;
 
 	return count;
@@ -415,7 +410,10 @@ static int device_refcount(struct device *dev)
 
 void device_add_user(struct device_user *dep, struct device *dev)
 {
-	struct list_head *head;
+	struct safe_list *head;
+
+	if (dep->dev == dev)
+		return;
 
 	if (dep->dev)
 		device_remove_user(dep);
@@ -429,7 +427,8 @@ void device_add_user(struct device_user *dep, struct device *dev)
 		head = &dev->aliases;
 	else
 		head = &dev->users;
-	list_add_tail(&dep->list, head);
+
+	safe_list_add(&dep->list, head);
 	D(DEVICE, "Add user for device '%s', refcount=%d\n", dev->ifname, device_refcount(dev));
 
 	if (dep->cb && dev->present) {
@@ -452,7 +451,9 @@ device_free(struct device *dev)
 static void
 __device_free_unused(struct device *dev)
 {
-	if (!list_empty(&dev->users) || dev->current_config || __devlock)
+	if (!safe_list_empty(&dev->users) ||
+		!safe_list_empty(&dev->aliases) ||
+	    dev->current_config || __devlock)
 		return;
 
 	device_free(dev);
@@ -469,7 +470,7 @@ void device_remove_user(struct device_user *dep)
 	if (dep->claimed)
 		device_release(dep);
 
-	list_del(&dep->list);
+	safe_list_del(&dep->list);
 	dep->dev = NULL;
 	D(DEVICE, "Remove user for device '%s', refcount=%d\n", dev->ifname, device_refcount(dev));
 	__device_free_unused(dev);
@@ -505,9 +506,9 @@ static enum dev_change_type
 device_reload_config(struct device *dev, struct blob_attr *attr)
 {
 	struct blob_attr *tb[__DEV_ATTR_MAX];
-	const struct config_param_list *cfg = dev->type->config_params;
+	const struct uci_blob_param_list *cfg = dev->type->config_params;
 
-	if (config_check_equal(dev->config, attr, cfg))
+	if (uci_blob_check_equal(dev->config, attr, cfg))
 		return DEV_CONFIG_NO_CHANGE;
 
 	if (cfg == &device_attr_list) {
@@ -545,9 +546,10 @@ device_replace(struct device *dev, struct device *odev)
 	if (present)
 		device_set_present(odev, false);
 
-	list_for_each_entry_safe(dep, tmp, &odev->users, list) {
+	list_for_each_entry_safe(dep, tmp, &odev->users.list, list.list) {
 		device_release(dep);
-		list_move_tail(&dep->list, &dev->users);
+		safe_list_del(&dep->list);
+		safe_list_add(&dep->list, &dev->users);
 		dep->dev = dev;
 	}
 	device_free(odev);
@@ -589,7 +591,7 @@ device_create(const char *name, const struct device_type *type,
 	struct device *odev = NULL, *dev;
 	enum dev_change_type change;
 
-	config = config_memdup(config);
+	config = blob_memdup(config);
 	if (!config)
 		return NULL;