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ipv6: Demark default hoplimit as zero.
This is for consistency with ipv4. Using "-1" makes no sense. It was made this way a long time ago merely to be consistent with how the ipv6 socket hoplimit "default" is stored. Signed-off-by: David S. Miller <davem@davemloft.net>
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1 changed files with 1 additions and 3 deletions
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@ -1105,7 +1105,7 @@ static int ipv6_get_mtu(struct net_device *dev)
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int ip6_dst_hoplimit(struct dst_entry *dst)
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{
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int hoplimit = dst_metric_raw(dst, RTAX_HOPLIMIT);
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if (hoplimit < 0) {
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if (hoplimit == 0) {
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struct net_device *dev = dst->dev;
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struct inet6_dev *idev;
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@ -1310,8 +1310,6 @@ int ip6_route_add(struct fib6_config *cfg)
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}
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}
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if (dst_metric_raw(&rt->dst, RTAX_HOPLIMIT) == 0)
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dst_metric_set(&rt->dst, RTAX_HOPLIMIT, -1);
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if (!dst_mtu(&rt->dst))
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dst_metric_set(&rt->dst, RTAX_MTU, ipv6_get_mtu(dev));
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if (!dst_metric(&rt->dst, RTAX_ADVMSS))
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