{
if (f0->next_header == IP_PROTOCOL_IP_IN_IP)
next0 = ESP_DECRYPT_NEXT_IP4_INPUT;
- else if (ipsec_sa_is_set_IS_TUNNEL_V6 (sa0)
- && f0->next_header == IP_PROTOCOL_IPV6)
+ else if (f0->next_header == IP_PROTOCOL_IPV6)
next0 = ESP_DECRYPT_NEXT_IP6_INPUT;
else
{