/* * netifd - network interface daemon * Copyright (C) 2012 Felix Fietkau * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 * as published by the Free Software Foundation * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. */ #ifndef __NETIFD_INTERFACE_H #define __NETIFD_INTERFACE_H #include "device.h" #include "config.h" struct interface; struct interface_proto_state; enum interface_event { IFEV_DOWN, IFEV_UP, IFEV_UPDATE, IFEV_FREE, IFEV_RELOAD, }; enum interface_state { IFS_SETUP, IFS_UP, IFS_TEARDOWN, IFS_DOWN, }; enum interface_config_state { IFC_NORMAL, IFC_RELOAD, IFC_REMOVE }; struct interface_error { struct list_head list; const char *subsystem; const char *code; const char *data[]; }; struct interface_user { struct list_head list; struct interface *iface; void (*cb)(struct interface_user *dep, struct interface *iface, enum interface_event ev); }; struct interface_ip_settings { struct interface *iface; bool enabled; bool no_defaultroute; bool no_dns; bool no_delegation; struct vlist_tree addr; struct vlist_tree route; struct vlist_tree prefix; struct vlist_simple_tree dns_servers; struct vlist_simple_tree dns_search; }; struct interface_data { struct avl_node node; struct blob_attr data[]; }; struct interface_assignment_class { struct list_head head; char name[]; }; /* * interface configuration */ struct interface { struct vlist_node node; struct list_head hotplug_list; enum interface_event hotplug_ev; const char *name; const char *ifname; bool available; bool autostart; bool config_autostart; bool device_config; bool dynamic; time_t start_time; enum interface_state state; enum interface_config_state config_state; struct list_head users; const char *parent_ifname; struct interface_user parent_iface; /* main interface that the interface is bound to */ struct device_user main_dev; /* interface that layer 3 communication will go through */ struct device_user l3_dev; struct blob_attr *config; /* primary protocol state */ const struct proto_handler *proto_handler; struct interface_proto_state *proto; struct interface_ip_settings proto_ip; struct interface_ip_settings config_ip; struct vlist_tree host_routes; int metric; unsigned int ip4table; unsigned int ip6table; /* IPv6 assignment parameters */ uint8_t assignment_length; int32_t assignment_hint; struct list_head assignment_classes; /* errors/warnings while trying to bring up the interface */ struct list_head errors; /* extra data provided by protocol handlers or modules */ struct avl_tree data; struct uloop_timeout remove_timer; struct ubus_object ubus; }; extern struct vlist_tree interfaces; extern const struct uci_blob_param_list interface_attr_list; struct interface *interface_alloc(const char *name, struct blob_attr *config); void interface_set_dynamic(struct interface *iface); void interface_add(struct interface *iface, struct blob_attr *config); bool interface_add_alias(struct interface *iface, struct blob_attr *config); void interface_set_proto_state(struct interface *iface, struct interface_proto_state *state); void interface_set_available(struct interface *iface, bool new_state); int interface_set_up(struct interface *iface); int interface_set_down(struct interface *iface); void __interface_set_down(struct interface *iface, bool force); void interface_set_main_dev(struct interface *iface, struct device *dev); void interface_set_l3_dev(struct interface *iface, struct device *dev); void interface_add_user(struct interface_user *dep, struct interface *iface); void interface_remove_user(struct interface_user *dep); int interface_add_link(struct interface *iface, struct device *dev); int interface_remove_link(struct interface *iface, struct device *dev); int interface_handle_link(struct interface *iface, const char *name, bool add); void interface_add_error(struct interface *iface, const char *subsystem, const char *code, const char **data, int n_data); int interface_add_data(struct interface *iface, const struct blob_attr *data); void interface_update_start(struct interface *iface); void interface_update_complete(struct interface *iface); void interface_start_pending(void); #endif