proto.h

   1 #ifndef __NETIFD_PROTO_H
   2 #define __NETIFD_PROTO_H
   3
   4 struct interface;
   5 struct interface_proto_state;
   6 struct proto_handler;
   7
   8 enum interface_proto_event {
   9         IFPEV_UP,
  10         IFPEV_DOWN,
  11 };
  12
  13 enum interface_proto_cmd {
  14         PROTO_CMD_SETUP,
  15         PROTO_CMD_TEARDOWN,
  16 };
  17
  18 enum {
  19         PROTO_FLAG_IMMEDIATE = (1 << 0),
  20         PROTO_FLAG_NODEV = (1 << 1),
  21 };
  22
  23 struct interface_proto_state {
  24         const struct proto_handler *handler;
  25         struct interface *iface;
  26
  27         /* filled in by the protocol user */
  28         void (*proto_event)(struct interface_proto_state *, enum interface_proto_event ev);
  29
  30         /* filled in by the protocol handler */
  31         int (*notify)(struct interface_proto_state *, struct blob_attr *data);
  32         int (*cb)(struct interface_proto_state *, enum interface_proto_cmd cmd, bool force);
  33         void (*free)(struct interface_proto_state *);
  34 };
  35
  36
  37 struct proto_handler {
  38         struct avl_node avl;
  39
  40         unsigned int flags;
  41
  42         const char *name;
  43         const struct config_param_list *config_params;
  44
  45         struct interface_proto_state *(*attach)(const struct proto_handler *h,
  46                 struct interface *iface, struct blob_attr *attr);
  47 };
  48
  49 void add_proto_handler(struct proto_handler *p);
  50 void proto_init_interface(struct interface *iface, struct blob_attr *attr);
  51 void proto_attach_interface(struct interface *iface, const char *proto_name);
  52 int interface_proto_event(struct interface_proto_state *proto,
  53                           enum interface_proto_cmd cmd, bool force);
  54 int proto_apply_static_settings(struct interface_proto_state *state,
  55                                 struct blob_attr *attr);
  56
  57 #endif