interface.h

   1 /*
   2  * Copyright (C) 2014 John Crispin <blogic@openwrt.org>
   3  * Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org>
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU Lesser General Public License version 2.1
   7  * as published by the Free Software Foundation
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  */
  14
  15 #ifndef __MDNS_INTERFACE_H
  16 #define __MDNS_INTERFACE_H
  17
  18 #include <sys/types.h>
  19 #include <sys/uio.h>
  20
  21 #include <arpa/inet.h>
  22
  23 #include <libubox/uloop.h>
  24 #include <libubox/vlist.h>
  25
  26 extern struct vlist_tree interfaces;
  27
  28 struct interface {
  29         struct vlist_node node;
  30         struct interface *peer;
  31
  32         const char *name;
  33         char *id;
  34         struct uloop_fd fd;
  35         struct uloop_timeout reconnect;
  36
  37         int v6;
  38         int multicast;
  39         int ifindex;
  40
  41         struct in_addr v4_addr;
  42         struct in_addr v4_netmask;
  43         struct in6_addr v6_addr;
  44         struct in6_addr v6_netmask;
  45         char v4_addrs[16];
  46         char v6_addrs[64];
  47
  48         struct uloop_timeout announce_timer;
  49         int announce_state;
  50
  51         char *mcast_addr;
  52 };
  53
  54 int interface_add(const char *name);
  55 void interface_shutdown(void);
  56 int interface_send_packet(struct interface *iface, struct iovec *iov, int iov_len);
  57 struct interface* interface_get(const char *name, int v6, int multicast);
  58
  59 #endif