X-Git-Url: http://git.archive.openwrt.org/?p=project%2Fnetifd.git;a=blobdiff_plain;f=interface.c;h=335e0be3fd841803c7cfce86a3110d1fd3d68989;hp=01dabad8047edd7ef8a6a0c9b63ae7c0d9084d35;hb=abba48ec2eac7965adac2c590d4d233c03b27c72;hpb=3bd580e340d2075194cb353da32e10393b006c55

diff --git a/interface.c b/interface.c
index 01dabad..335e0be 100644
--- a/interface.c
+++ b/interface.c
@@ -37,6 +37,8 @@ enum {
 	IFACE_ATTR_DNS_SEARCH,
 	IFACE_ATTR_METRIC,
 	IFACE_ATTR_INTERFACE,
+	IFACE_ATTR_IP6ASSIGN,
+	IFACE_ATTR_IP6HINT,
 	IFACE_ATTR_MAX
 };
 
@@ -50,6 +52,8 @@ static const struct blobmsg_policy iface_attrs[IFACE_ATTR_MAX] = {
 	[IFACE_ATTR_DNS] = { .name = "dns", .type = BLOBMSG_TYPE_ARRAY },
 	[IFACE_ATTR_DNS_SEARCH] = { .name = "dns_search", .type = BLOBMSG_TYPE_ARRAY },
 	[IFACE_ATTR_INTERFACE] = { .name = "interface", .type = BLOBMSG_TYPE_STRING },
+	[IFACE_ATTR_IP6ASSIGN] = { .name = "ip6assign", .type = BLOBMSG_TYPE_INT32 },
+	[IFACE_ATTR_IP6HINT] = { .name = "ip6hint", .type = BLOBMSG_TYPE_STRING },
 };
 
 static const union config_param_info iface_attr_info[IFACE_ATTR_MAX] = {
@@ -79,7 +83,7 @@ void interface_add_error(struct interface *iface, const char *subsystem,
 	struct interface_error *error;
 	int i, len = 0;
 	int *datalen = NULL;
-	char *dest;
+	char *dest, *d_subsys, *d_code;
 
 	if (n_data) {
 		len = n_data * sizeof(char *);
@@ -90,13 +94,13 @@ void interface_add_error(struct interface *iface, const char *subsystem,
 		}
 	}
 
-	error = calloc(1, sizeof(*error) + sizeof(char *) + len);
+	error = calloc_a(sizeof(*error) + sizeof(char *) + len,
+		&d_subsys, subsystem ? strlen(subsystem) + 1 : 0,
+		&d_code, code ? strlen(code) + 1 : 0);
 	if (!error)
 		return;
 
 	list_add_tail(&error->list, &iface->errors);
-	error->subsystem = subsystem;
-	error->code = code;
 
 	dest = (char *) &error->data[n_data + 1];
 	for (i = 0; i < n_data; i++) {
@@ -104,7 +108,13 @@ void interface_add_error(struct interface *iface, const char *subsystem,
 		memcpy(dest, data[i], datalen[i]);
 		dest += datalen[i];
 	}
-	error->data[n_data] = NULL;
+	error->data[n_data++] = NULL;
+
+	if (subsystem)
+		error->subsystem = strcpy(d_subsys, subsystem);
+
+	if (code)
+		error->code = strcpy(d_code, code);
 }
 
 static void
@@ -147,19 +157,29 @@ static void
 interface_event(struct interface *iface, enum interface_event ev)
 {
 	struct interface_user *dep, *tmp;
+	struct device *adev = NULL;
 
 	list_for_each_entry_safe(dep, tmp, &iface->users, list)
 		dep->cb(dep, iface, ev);
 
 	list_for_each_entry_safe(dep, tmp, &iface_all_users, list)
 		dep->cb(dep, iface, ev);
+
+	switch (ev) {
+	case IFEV_UP:
+		adev = iface->l3_dev.dev;
+		/* fall through */
+	case IFEV_DOWN:
+		alias_notify_device(iface->name, adev);
+		break;
+	default:
+		break;
+	}
 }
 
 static void
 interface_flush_state(struct interface *iface)
 {
-	if (iface->main_dev.dev)
-		device_release(&iface->main_dev);
 	if (iface->l3_dev.dev)
 		device_release(&iface->l3_dev);
 	interface_data_flush(iface);
@@ -182,8 +202,6 @@ mark_interface_down(struct interface *iface)
 void
 __interface_set_down(struct interface *iface, bool force)
 {
-	interface_clear_errors(iface);
-
 	if (iface->state == IFS_DOWN ||
 		iface->state == IFS_TEARDOWN)
 		return;
@@ -307,9 +325,16 @@ interface_claim_device(struct interface *iface)
 		interface_set_available(iface, true);
 }
 
+static void
+interface_cleanup_state(struct interface *iface)
+{
+	interface_flush_state(iface);
+	interface_clear_errors(iface);
+	interface_set_proto_state(iface, NULL);
+}
 
 static void
-interface_cleanup(struct interface *iface, bool reload)
+interface_cleanup(struct interface *iface)
 {
 	struct interface_user *dep, *tmp;
 
@@ -320,19 +345,17 @@ interface_cleanup(struct interface *iface, bool reload)
 		interface_remove_user(dep);
 
 	interface_ip_flush(&iface->config_ip);
-	interface_flush_state(iface);
-	interface_clear_errors(iface);
-
-	if (iface->main_dev.dev && !reload)
+	if (iface->main_dev.dev)
 		interface_set_main_dev(iface, NULL);
-	interface_set_proto_state(iface, NULL);
+
+	interface_cleanup_state(iface);
 }
 
 static void
 interface_do_free(struct interface *iface)
 {
 	interface_event(iface, IFEV_FREE);
-	interface_cleanup(iface, false);
+	interface_cleanup(iface);
 	free(iface->config);
 	netifd_ubus_remove_interface(iface);
 	avl_delete(&interfaces.avl, &iface->node.avl);
@@ -343,7 +366,7 @@ static void
 interface_do_reload(struct interface *iface)
 {
 	interface_event(iface, IFEV_RELOAD);
-	interface_cleanup(iface, true);
+	interface_cleanup_state(iface);
 	proto_init_interface(iface, iface->config);
 	interface_claim_device(iface);
 }
@@ -383,7 +406,6 @@ interface_proto_cb(struct interface_proto_state *state, enum interface_proto_eve
 		iface->state = IFS_UP;
 		iface->start_time = system_get_rtime();
 		interface_event(iface, IFEV_UP);
-		interface_write_resolv_conf();
 		netifd_log_message(L_NOTICE, "Interface '%s' is now up\n", iface->name);
 		break;
 	case IFPEV_DOWN:
@@ -392,6 +414,8 @@ interface_proto_cb(struct interface_proto_state *state, enum interface_proto_eve
 
 		netifd_log_message(L_NOTICE, "Interface '%s' is now down\n", iface->name);
 		mark_interface_down(iface);
+		if (iface->main_dev.dev)
+			device_release(&iface->main_dev);
 		interface_handle_config_change(iface);
 		break;
 	case IFPEV_LINK_LOST:
@@ -403,6 +427,8 @@ interface_proto_cb(struct interface_proto_state *state, enum interface_proto_eve
 		iface->state = IFS_SETUP;
 		break;
 	}
+
+	interface_write_resolv_conf();
 }
 
 void interface_set_proto_state(struct interface *iface, struct interface_proto_state *state)
@@ -461,6 +487,14 @@ interface_init(struct interface *iface, const char *name,
 	if ((cur = tb[IFACE_ATTR_METRIC]))
 		iface->metric = blobmsg_get_u32(cur);
 
+	if ((cur = tb[IFACE_ATTR_IP6ASSIGN]))
+		iface->config_ip.assignment_length = blobmsg_get_u32(cur);
+
+	iface->config_ip.assignment_hint = -1;
+	if ((cur = tb[IFACE_ATTR_IP6HINT]))
+		iface->config_ip.assignment_hint = strtol(blobmsg_get_string(cur), NULL, 16) &
+				~((1 << (64 - iface->config_ip.assignment_length)) - 1);
+
 	iface->config_autostart = iface->autostart;
 }
 
@@ -684,11 +718,15 @@ interface_change_config(struct interface *if_old, struct interface *if_new)
 	if (!if_old->config_autostart && if_new->config_autostart)
 		if_old->autostart = true;
 
+	if_old->device_config = if_new->device_config;
 	if_old->config_autostart = if_new->config_autostart;
 	if_old->ifname = if_new->ifname;
 	if_old->parent_ifname = if_new->parent_ifname;
 	if_old->proto_handler = if_new->proto_handler;
 
+	if_old->proto_ip.no_dns = if_new->proto_ip.no_dns;
+	interface_replace_dns(&if_old->config_ip, &if_new->config_ip);
+
 #define FIELD_CHANGED_STR(field)					\
 		((!!if_old->field != !!old_ ## field) ||		\
 		 (old_ ## field &&					\
@@ -729,8 +767,9 @@ interface_change_config(struct interface *if_old, struct interface *if_new)
 		interface_ip_set_enabled(&if_old->proto_ip, if_new->proto_ip.enabled);
 	}
 
-	UPDATE(proto_ip.no_dns);
-	interface_replace_dns(&if_old->config_ip, &if_new->config_ip);
+	if (UPDATE(config_ip.assignment_length) || UPDATE(config_ip.assignment_hint))
+		interface_refresh_assignments(true);
+
 	interface_write_resolv_conf();
 
 #undef UPDATE
@@ -741,7 +780,7 @@ reload:
 	set_config_state(if_old, IFC_RELOAD);
 out:
 	if_new->config = NULL;
-	interface_cleanup(if_new, false);
+	interface_cleanup(if_new);
 	free(old_config);
 	free(if_new);
 }