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authorDavid S. Miller <davem@davemloft.net>2013-04-11 16:14:37 -0400
committerDavid S. Miller <davem@davemloft.net>2013-04-11 16:14:37 -0400
commit16e3d9648add0b3839587fd77f510537baf88c3a (patch)
tree67831545a57cf08820b7f59d0e745e3b30d1a0ee /net/ipv6
parentc59fec207bc73612c9a124539b99d186ad6d2a99 (diff)
parent05600a799f6c67b139f2bc565e358b913b230cf5 (diff)
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Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next
Steffen Klassert says: ==================== 1) Allow to avoid copying DSCP during encapsulation by setting a SA flag. From Nicolas Dichtel. 2) Constify the netlink dispatch table, no need to modify it at runtime. From Mathias Krause. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6')
-rw-r--r--net/ipv6/xfrm6_mode_tunnel.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/net/ipv6/xfrm6_mode_tunnel.c b/net/ipv6/xfrm6_mode_tunnel.c
index 9bf6a74a71d2..4770d515c2c8 100644
--- a/net/ipv6/xfrm6_mode_tunnel.c
+++ b/net/ipv6/xfrm6_mode_tunnel.c
@@ -49,8 +49,11 @@ static int xfrm6_mode_tunnel_output(struct xfrm_state *x, struct sk_buff *skb)
sizeof(top_iph->flow_lbl));
top_iph->nexthdr = xfrm_af2proto(skb_dst(skb)->ops->family);
- dsfield = XFRM_MODE_SKB_CB(skb)->tos;
- dsfield = INET_ECN_encapsulate(dsfield, dsfield);
+ if (x->props.extra_flags & XFRM_SA_XFLAG_DONT_ENCAP_DSCP)
+ dsfield = 0;
+ else
+ dsfield = XFRM_MODE_SKB_CB(skb)->tos;
+ dsfield = INET_ECN_encapsulate(dsfield, XFRM_MODE_SKB_CB(skb)->tos);
if (x->props.flags & XFRM_STATE_NOECN)
dsfield &= ~INET_ECN_MASK;
ipv6_change_dsfield(top_iph, 0, dsfield);