vrrpd/vrrp_ndisc.h

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * VRRP Neighbor Discovery.
   4  * Copyright (C) 2019 Cumulus Networks, Inc.
   5  * Quentin Young
   6  */
   7 #ifndef __VRRP_NDISC_H__
   8 #define __VRRP_NDISC_H__
   9
  10 #include <netinet/icmp6.h>
  11 #include <netinet/in.h>
  12 #include <netinet/ip6.h>
  13
  14 #include "vrrp.h"
  15
  16 /*
  17  * Initialize VRRP neighbor discovery.
  18  */
  19 extern void vrrp_ndisc_init(void);
  20
  21 /*
  22  * Check whether VRRP Neighbor Discovery is initialized.
  23  *
  24  * Returns:
  25  *    True if initialized, false otherwise
  26  */
  27 extern bool vrrp_ndisc_is_init(void);
  28
  29 /*
  30  * Finish VRRP Neighbor Discovery.
  31  */
  32 extern void vrrp_ndisc_fini(void);
  33
  34 /*
  35  * Send VRRP Neighbor Advertisement.
  36  *
  37  * ifp
  38  *    Interface to transmit on
  39  *
  40  * ip
  41  *    IPv6 address to send Neighbor Advertisement for
  42  *
  43  * Returns:
  44  *    -1 on failure
  45  *     0 otherwise
  46  */
  47 extern int vrrp_ndisc_una_send(struct vrrp_router *r, struct ipaddr *ip);
  48
  49 /*
  50  * Send VRRP Neighbor Advertisements for all virtual IPs.
  51  *
  52  * r
  53  *    Virtual Router to send NA's for
  54  *
  55  * Returns:
  56  *    -1 on failure
  57  *     0 otherwise
  58  */
  59 extern int vrrp_ndisc_una_send_all(struct vrrp_router *r);
  60
  61 #endif /* __VRRP_NDISC_H__ */