- case VNET_LINK_IP4:
- ip4->protocol = IP_PROTOCOL_IP_IN_IP;
- if (flags & TUNNEL_ENCAP_DECAP_FLAG_ENCAP_COPY_DSCP)
- ip4_header_set_dscp (ip4, ip4_header_get_dscp (ip4 + 1));
- if (flags & TUNNEL_ENCAP_DECAP_FLAG_ENCAP_COPY_ECN)
- ip4_header_set_ecn (ip4, ip4_header_get_ecn (ip4 + 1));
- if ((flags & TUNNEL_ENCAP_DECAP_FLAG_ENCAP_COPY_DF) &&
- ip4_header_get_df (ip4 + 1))
- ip4_header_set_df (ip4);
- break;