interface.h

   1 #ifndef __NETIFD_INTERFACE_H
   2 #define __NETIFD_INTERFACE_H
   3
   4 struct interface;
   5 struct interface_proto;
   6 struct interface_proto_state;
   7
   8 extern struct list_head interfaces;
   9
  10 enum interface_event {
  11         IFEV_UP,
  12         IFEV_DOWN,
  13 };
  14
  15 enum interface_proto_event {
  16         PROTO_UP,
  17         PROTO_DOWN,
  18 };
  19
  20 struct interface_proto_state {
  21         struct interface *iface;
  22         const struct interface_proto *proto;
  23
  24         /* filled in by the protocol user */
  25         int (*proto_event)(struct interface_proto_state *, enum interface_proto_event ev);
  26
  27         /* filled in by the protocol handler */
  28         int (*event)(struct interface_proto_state *, enum interface_event ev);
  29         void (*free)(struct interface_proto_state *);
  30 };
  31
  32 struct interface_error {
  33         struct list_head list;
  34
  35         const char *subsystem;
  36         const char *code;
  37         const char *data[];
  38 };
  39
  40 /*
  41  * interface configuration
  42  */
  43 struct interface {
  44         struct list_head list;
  45
  46         char name[IFNAMSIZ];
  47
  48         bool up;
  49         bool active;
  50         bool autostart;
  51
  52         /* main interface that the interface is bound to */
  53         struct device_user main_dev;
  54
  55         /* interface that layer 3 communication will go through */
  56         struct device_user *l3_iface;
  57
  58         /* primary protocol state */
  59         struct interface_proto_state *state;
  60
  61         /* errors/warnings while trying to bring up the interface */
  62         struct list_head errors;
  63
  64         struct ubus_object ubus;
  65 };
  66
  67 struct interface *get_interface(const char *name);
  68 struct interface *alloc_interface(const char *name);
  69 void free_interface(struct interface *iface);
  70
  71 int set_interface_up(struct interface *iface);
  72 int set_interface_down(struct interface *iface);
  73
  74 int interface_add_link(struct interface *iface, struct device *llif);
  75 void interface_remove_link(struct interface *iface, struct device *llif);
  76
  77 void interface_add_error(struct interface *iface, const char *subsystem,
  78                          const char *code, const char **data, int n_data);
  79
  80 int interface_attach_bridge(struct interface *iface, struct uci_section *s);
  81
  82 #endif