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         IFPEV_LINK_LOST,
  12 };
  13
  14 enum interface_proto_cmd {
  15         PROTO_CMD_SETUP,
  16         PROTO_CMD_TEARDOWN,
  17 };
  18
  19 enum {
  20         PROTO_FLAG_IMMEDIATE = (1 << 0),
  21         PROTO_FLAG_NODEV = (1 << 1),
  22         PROTO_FLAG_INIT_AVAILABLE = (1 << 2),
  23 };
  24
  25 struct interface_proto_state {
  26         const struct proto_handler *handler;
  27         struct interface *iface;
  28
  29         /* filled in by the protocol user */
  30         void (*proto_event)(struct interface_proto_state *, enum interface_proto_event ev);
  31
  32         /* filled in by the protocol handler */
  33         int (*notify)(struct interface_proto_state *, struct blob_attr *data);
  34         int (*cb)(struct interface_proto_state *, enum interface_proto_cmd cmd, bool force);
  35         void (*free)(struct interface_proto_state *);
  36 };
  37
  38
  39 struct proto_handler {
  40         struct avl_node avl;
  41
  42         unsigned int flags;
  43
  44         const char *name;
  45         const struct config_param_list *config_params;
  46
  47         struct interface_proto_state *(*attach)(const struct proto_handler *h,
  48                 struct interface *iface, struct blob_attr *attr);
  49 };
  50
  51 void add_proto_handler(struct proto_handler *p);
  52 void proto_init_interface(struct interface *iface, struct blob_attr *attr);
  53 void proto_attach_interface(struct interface *iface, const char *proto_name);
  54 int interface_proto_event(struct interface_proto_state *proto,
  55                           enum interface_proto_cmd cmd, bool force);
  56 struct device_addr *proto_parse_ip_addr_string(const char *str, bool v6, int mask);
  57 unsigned int parse_netmask_string(const char *str, bool v6);
  58
  59 #endif