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_UP,
  12         IFEV_DOWN,
  13 };
  14
  15 enum interface_state {
  16         IFS_SETUP,
  17         IFS_UP,
  18         IFS_TEARDOWN,
  19         IFS_DOWN,
  20 };
  21
  22 struct interface_error {
  23         struct list_head list;
  24
  25         const char *subsystem;
  26         const char *code;
  27         const char *data[];
  28 };
  29
  30 /*
  31  * interface configuration
  32  */
  33 struct interface {
  34         struct list_head list;
  35
  36         char name[IFNAMSIZ];
  37
  38         bool available;
  39         bool autostart;
  40
  41         enum interface_state state;
  42
  43         /* main interface that the interface is bound to */
  44         struct device_user main_dev;
  45
  46         /* interface that layer 3 communication will go through */
  47         struct device_user *l3_iface;
  48
  49         struct config_state config;
  50
  51         /* primary protocol state */
  52         const struct proto_handler *proto_handler;
  53         struct interface_proto_state *proto;
  54
  55         struct vlist_tree proto_addr;
  56         struct vlist_tree proto_route;
  57
  58         /* errors/warnings while trying to bring up the interface */
  59         struct list_head errors;
  60
  61         struct ubus_object ubus;
  62 };
  63
  64 extern const struct config_param_list interface_attr_list;
  65
  66 struct interface *interface_get(const char *name);
  67 struct interface *interface_alloc(const char *name, struct blob_attr *attr);
  68 void interface_free(struct interface *iface);
  69
  70 void interface_set_proto_state(struct interface *iface, struct interface_proto_state *state);
  71
  72 int interface_set_up(struct interface *iface);
  73 int interface_set_down(struct interface *iface);
  74
  75 int interface_add_link(struct interface *iface, struct device *llif);
  76 void interface_remove_link(struct interface *iface, struct device *llif);
  77
  78 void interface_add_error(struct interface *iface, const char *subsystem,
  79                          const char *code, const char **data, int n_data);
  80
  81 void interface_start_pending(void);
  82
  83 #endif