interface.h

   1 #ifndef __NETIFD_INTERFACE_H
   2 #define __NETIFD_INTERFACE_H
   3
   4 #include "device.h"
   5 #include "config.h"
   6
   7 struct interface;
   8 struct interface_proto_state;
   9
  10 enum interface_event {
  11         IFEV_DOWN,
  12         IFEV_UP,
  13 };
  14
  15 enum interface_state {
  16         IFS_SETUP,
  17         IFS_UP,
  18         IFS_TEARDOWN,
  19         IFS_DOWN,
  20 };
  21
  22 enum interface_config_state {
  23         IFC_NORMAL,
  24         IFC_RELOAD,
  25         IFC_REMOVE
  26 };
  27
  28 struct interface_error {
  29         struct list_head list;
  30
  31         const char *subsystem;
  32         const char *code;
  33         const char *data[];
  34 };
  35
  36 struct interface_user {
  37         struct list_head list;
  38         struct interface *iface;
  39         void (*cb)(struct interface_user *dep, enum interface_event ev);
  40 };
  41
  42 /*
  43  * interface configuration
  44  */
  45 struct interface {
  46         struct vlist_node node;
  47         struct list_head hotplug_list;
  48         enum interface_event hotplug_ev;
  49
  50         char name[IFNAMSIZ];
  51         const char *ifname;
  52
  53         bool available;
  54         bool autostart;
  55         bool config_autostart;
  56
  57         time_t start_time;
  58         enum interface_state state;
  59         enum interface_config_state config_state;
  60
  61         struct list_head users;
  62
  63         /* main interface that the interface is bound to */
  64         struct device_user main_dev;
  65
  66         /* interface that layer 3 communication will go through */
  67         struct device_user *l3_dev;
  68
  69         struct blob_attr *config;
  70
  71         /* primary protocol state */
  72         const struct proto_handler *proto_handler;
  73         struct interface_proto_state *proto;
  74
  75         struct vlist_tree proto_addr;
  76         struct vlist_tree proto_route;
  77
  78         struct list_head proto_dns_servers;
  79         struct list_head proto_dns_search;
  80
  81         /* errors/warnings while trying to bring up the interface */
  82         struct list_head errors;
  83
  84         struct uloop_timeout remove_timer;
  85         struct ubus_object ubus;
  86 };
  87
  88 extern struct vlist_tree interfaces;
  89 extern const struct config_param_list interface_attr_list;
  90
  91 void interface_init(struct interface *iface, const char *name,
  92                     struct blob_attr *config);
  93
  94 void interface_add(struct interface *iface, struct blob_attr *config);
  95
  96 void interface_set_proto_state(struct interface *iface, struct interface_proto_state *state);
  97
  98 void interface_set_available(struct interface *iface, bool new_state);
  99 int interface_set_up(struct interface *iface);
 100 int interface_set_down(struct interface *iface);
 101
 102 void interface_add_user(struct interface_user *dep, struct interface *iface);
 103 void interface_remove_user(struct interface_user *dep);
 104
 105 int interface_add_link(struct interface *iface, struct device *llif);
 106 void interface_remove_link(struct interface *iface, struct device *llif);
 107
 108 void interface_add_error(struct interface *iface, const char *subsystem,
 109                          const char *code, const char **data, int n_data);
 110
 111 void interface_queue_event(struct interface *iface, enum interface_event ev);
 112 void interface_dequeue_event(struct interface *iface);
 113
 114 void interface_start_pending(void);
 115
 116 #endif