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ipv6: add ip6_flowlabel helper 

And use it if possible.

Signed-off-by: Florent Fourcot <florent.fourcot@enst-bretagne.fr>
Reviewed-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Florent Fourcot 2013-12-08 15:47:00 +01:00 committed by David S. Miller
parent 82e9f105a2
commit 3308de2b84
3 changed files with 7 additions and 2 deletions
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5
include/net/ipv6.h
View File

@ -679,6 +679,11 @@ static inline __be32 ip6_flowinfo(const struct ipv6hdr *hdr)
return *(__be32 *)hdr & IPV6_FLOWINFO_MASK;
}
static inline __be32 ip6_flowlabel(const struct ipv6hdr *hdr)
{
return *(__be32 *)hdr & IPV6_FLOWLABEL_MASK;
}
/*
* Prototypes exported by ipv6
*/

2
net/ipv6/ip6_gre.c
View File

@ -845,7 +845,7 @@ static inline int ip6gre_xmit_ipv6(struct sk_buff *skb, struct net_device *dev)
if (t->parms.flags & IP6_TNL_F_USE_ORIG_TCLASS)
fl6.flowlabel |= (*(__be32 *) ipv6h & IPV6_TCLASS_MASK);
if (t->parms.flags & IP6_TNL_F_USE_ORIG_FLOWLABEL)
fl6.flowlabel |= (*(__be32 *) ipv6h & IPV6_FLOWLABEL_MASK);
fl6.flowlabel |= ip6_flowlabel(ipv6h);
if (t->parms.flags & IP6_TNL_F_USE_ORIG_FWMARK)
fl6.flowi6_mark = skb->mark;

2
net/ipv6/ip6_tunnel.c
View File

@ -1130,7 +1130,7 @@ ip6ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev)
if (t->parms.flags & IP6_TNL_F_USE_ORIG_TCLASS)
fl6.flowlabel |= (*(__be32 *) ipv6h & IPV6_TCLASS_MASK);
if (t->parms.flags & IP6_TNL_F_USE_ORIG_FLOWLABEL)
fl6.flowlabel |= (*(__be32 *) ipv6h & IPV6_FLOWLABEL_MASK);
fl6.flowlabel |= ip6_flowlabel(ipv6h);
if (t->parms.flags & IP6_TNL_F_USE_ORIG_FWMARK)
fl6.flowi6_mark = skb->mark;