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