diff options
Diffstat (limited to 'net/ipv4/xfrm4_mode_tunnel.c')
| -rw-r--r-- | net/ipv4/xfrm4_mode_tunnel.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/net/ipv4/xfrm4_mode_tunnel.c b/net/ipv4/xfrm4_mode_tunnel.c index fe5189e2e11..eb1dd4d643f 100644 --- a/net/ipv4/xfrm4_mode_tunnel.c +++ b/net/ipv4/xfrm4_mode_tunnel.c @@ -103,8 +103,12 @@ static int xfrm4_mode_tunnel_output(struct xfrm_state *x, struct sk_buff *skb) top_iph->protocol = xfrm_af2proto(skb_dst(skb)->ops->family); - /* DS disclosed */ - top_iph->tos = INET_ECN_encapsulate(XFRM_MODE_SKB_CB(skb)->tos, + /* DS disclosing depends on XFRM_SA_XFLAG_DONT_ENCAP_DSCP */ + if (x->props.extra_flags & XFRM_SA_XFLAG_DONT_ENCAP_DSCP) + top_iph->tos = 0; + else + top_iph->tos = XFRM_MODE_SKB_CB(skb)->tos; + top_iph->tos = INET_ECN_encapsulate(top_iph->tos, XFRM_MODE_SKB_CB(skb)->tos); flags = x->props.flags; |