interface.h

   1 #ifndef __NETIFD_INTERFACE_H
   2 #define __NETIFD_INTERFACE_H
   3
   4 #include "device.h"
   5 #include "config.h"
   6
   7 struct interface;
   8 struct interface_proto_state;
   9
  10 enum interface_event {
  11         IFEV_DOWN,
  12         IFEV_UP,
  13 };
  14
  15 enum interface_state {
  16         IFS_SETUP,
  17         IFS_UP,
  18         IFS_TEARDOWN,
  19         IFS_DOWN,
  20 };
  21
  22 enum interface_config_state {
  23         IFC_NORMAL,
  24         IFC_RELOAD,
  25         IFC_REMOVE
  26 };
  27
  28 struct interface_error {
  29         struct list_head list;
  30
  31         const char *subsystem;
  32         const char *code;
  33         const char *data[];
  34 };
  35
  36 /*
  37  * interface configuration
  38  */
  39 struct interface {
  40         struct vlist_node node;
  41         struct list_head hotplug_list;
  42         enum interface_event hotplug_ev;
  43
  44         char name[IFNAMSIZ];
  45         const char *ifname;
  46
  47         bool available;
  48         bool autostart;
  49         bool config_autostart;
  50
  51         enum interface_state state;
  52         enum interface_config_state config_state;
  53
  54         /* main interface that the interface is bound to */
  55         struct device_user main_dev;
  56
  57         /* interface that layer 3 communication will go through */
  58         struct device_user *l3_dev;
  59
  60         struct blob_attr *config;
  61
  62         /* primary protocol state */
  63         const struct proto_handler *proto_handler;
  64         struct interface_proto_state *proto;
  65
  66         struct vlist_tree proto_addr;
  67         struct vlist_tree proto_route;
  68
  69         /* errors/warnings while trying to bring up the interface */
  70         struct list_head errors;
  71
  72         struct uloop_timeout remove_timer;
  73         struct ubus_object ubus;
  74 };
  75
  76 extern struct vlist_tree interfaces;
  77 extern const struct config_param_list interface_attr_list;
  78
  79 void interface_init(struct interface *iface, const char *name,
  80                     struct blob_attr *config);
  81
  82 void interface_add(struct interface *iface, struct blob_attr *config);
  83
  84 void interface_set_proto_state(struct interface *iface, struct interface_proto_state *state);
  85
  86 void interface_set_available(struct interface *iface, bool new_state);
  87 int interface_set_up(struct interface *iface);
  88 int interface_set_down(struct interface *iface);
  89
  90 int interface_add_link(struct interface *iface, struct device *llif);
  91 void interface_remove_link(struct interface *iface, struct device *llif);
  92
  93 void interface_add_error(struct interface *iface, const char *subsystem,
  94                          const char *code, const char **data, int n_data);
  95
  96 void interface_queue_event(struct interface *iface, enum interface_event ev);
  97 void interface_dequeue_event(struct interface *iface);
  98
  99 void interface_start_pending(void);
 100
 101 #endif