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 };
  21
  22 struct interface_proto_state {
  23         struct interface *iface;
  24         unsigned int flags;
  25
  26         /* filled in by the protocol user */
  27         void (*proto_event)(struct interface_proto_state *, enum interface_proto_event ev);
  28
  29         /* filled in by the protocol handler */
  30         int (*handler)(struct interface_proto_state *, enum interface_proto_cmd cmd, bool force);
  31         void (*free)(struct interface_proto_state *);
  32 };
  33
  34 typedef struct interface_proto_state *
  35         (*proto_attach_cb)(struct proto_handler *h, struct interface *,
  36                            struct uci_section *s);
  37
  38 struct proto_handler {
  39         struct avl_node avl;
  40
  41         const char *name;
  42         proto_attach_cb attach;
  43 };
  44
  45 void add_proto_handler(struct proto_handler *p);
  46 struct proto_handler *get_proto_handler(const char *name);
  47 void proto_attach_interface(struct interface *iface, struct uci_section *s);
  48 int interface_proto_event(struct interface_proto_state *proto,
  49                           enum interface_proto_cmd cmd, bool force);
  50
  51 #endif