Finalizing bfd work

[odhcp6c.git] / src / odhcp6c.c

diff --git a/src/odhcp6c.c b/src/odhcp6c.c
index 2c5bfad4342f3c4298ef517355b12b512ac89b42..de03b814f95efa86bde343374a14b6769e04cd02 100644 (file)
--- a/src/odhcp6c.c
+++ b/src/odhcp6c.c
@@ -63,10 +63,14 @@ int main(_unused int argc, char* const argv[])
        static struct in6_addr ifid = IN6ADDR_ANY_INIT;
        int sol_timeout = 120;
 
+#ifdef EXT_BFD_PING
+       int bfd_interval = 0, bfd_loss = 3;
+#endif
+
        bool help = false, daemonize = false;
        int logopt = LOG_PID;
        int c, request_pd = 0;
-       while ((c = getopt(argc, argv, "S::N:P:Fc:i:r:s:kt:hedp:")) != -1) {
+       while ((c = getopt(argc, argv, "S::N:P:FB:c:i:r:s:kt:hedp:")) != -1) {
                switch (c) {
                case 'S':
                        allow_slaac_only = (optarg) ? atoi(optarg) : -1;
@@ -100,6 +104,12 @@ int main(_unused int argc, char* const argv[])
                        ia_pd_mode = IA_MODE_FORCE;
                        break;
 
+#ifdef EXT_BFD_PING
+               case 'B':
+                       bfd_interval = atoi(optarg);
+                       break;
+#endif
+
                case 'c':
                        l = script_unhexlify(&buf[4], sizeof(buf) - 4, optarg);
                        if (l > 0) {
@@ -267,7 +277,8 @@ int main(_unused int argc, char* const argv[])
                bound = true;
                syslog(LOG_NOTICE, "entering stateful-mode on %s", ifname);
 #ifdef EXT_BFD_PING
-               bfd_start(ifname, 3, 10);
+               if (bfd_interval > 0)
+                       bfd_start(ifname, bfd_loss, bfd_interval);
 #endif
 
                while (do_signal == 0 || do_signal == SIGUSR1) {
@@ -353,6 +364,9 @@ static int usage(void)
        "       -N <mode>       Mode for requesting addresses [try|force|none]\n"
        "       -P <length>     Request IPv6-Prefix (0 = auto)\n"
        "       -F              Force IPv6-Prefix\n"
+#ifdef EXT_BFD_PING
+       "       -B <interval>   Enable BFD ping check\n"
+#endif
        "       -c <clientid>   Override client-ID (base-16 encoded)\n"
        "       -i <iface-id>   Use a custom interface identifier for RA handling\n"
        "       -r <options>    Options to be requested (comma-separated)\n"