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ipv4: Namespaceify ip_default_ttl sysctl knob

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Signed-off-by: Nikolay Borisov <kernel@kyup.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Nikolay Borisov
2016-02-15 12:11:27 +02:00
committed by David S. Miller
parent 6cd21d7941
commit fa50d974d1
8 changed files with 26 additions and 21 deletions
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5
include/net/route.h
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@@ -329,14 +329,13 @@ static inline int inet_iif(const struct sk_buff *skb)
return skb->skb_iif;
}
extern int sysctl_ip_default_ttl;
static inline int ip4_dst_hoplimit(const struct dst_entry *dst)
{
int hoplimit = dst_metric_raw(dst, RTAX_HOPLIMIT);
struct net *net = dev_net(dst->dev);
if (hoplimit == 0)
hoplimit = sysctl_ip_default_ttl;
hoplimit = net->ipv4.sysctl_ip_default_ttl;
return hoplimit;
}