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No router advertisements on tunnel interfaces #94

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merged 1 commit into from Jun 19, 2018
Merged

No router advertisements on tunnel interfaces #94

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10 changes: 7 additions & 3 deletions device-common.c
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Expand Up @@ -45,11 +45,15 @@ int check_device(int sock, struct Interface *iface)
dlog(LOG_ERR, 4, "%s is running", iface->props.name);
}

if (!iface->UnicastOnly && !(ifr.ifr_flags & IFF_MULTICAST)) {
flog(LOG_INFO, "%s does not support multicast, forcing UnicastOnly", iface->props.name);
if (!iface->UnicastOnly &&
!(ifr.ifr_flags & (IFF_MULTICAST | IFF_POINTOPOINT))) {
flog(LOG_INFO,
"%s does not support multicast or point-to-point, forcing UnicastOnly",
iface->props.name);
iface->UnicastOnly = 1;
} else {
dlog(LOG_ERR, 4, "%s supports multicast", iface->props.name);
dlog(LOG_ERR, 4, "%s supports multicast or is point-to-point",
iface->props.name);
}

return 0;
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