ipv6_copy_dscp    650 net/ipv6/ip6_tunnel.c 		ipv6_copy_dscp(ipv6_get_dsfield(ipv6h), ipv6_hdr(skb));
ipv6_copy_dscp     76 net/ipv6/xfrm6_mode_tunnel.c 		ipv6_copy_dscp(ipv6_get_dsfield(ipv6_hdr(skb)),