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>

diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index bce802e..d0bfe3e 100644 (file)
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -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
  */

diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c
index c50de06..e27fb78 100644 (file)
--- a/net/ipv6/ip6_gre.c
+++ b/net/ipv6/ip6_gre.c
@@ -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;
 

diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index f5e8a98..8d7c986 100644 (file)
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -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;