+
+/* Parse an encapsulated ip or ipv6 header */
+static void
+parse_encap_ip(void *encap_ip, struct testpmd_offload_info *info)
+{
+ struct ipv4_hdr *ipv4_hdr = encap_ip;
+ struct ipv6_hdr *ipv6_hdr = encap_ip;
+ uint8_t ip_version;
+
+ ip_version = (ipv4_hdr->version_ihl & 0xf0) >> 4;
+
+ if (ip_version != 4 && ip_version != 6)
+ return;
+
+ info->is_tunnel = 1;
+ info->outer_ethertype = info->ethertype;
+ info->outer_l2_len = info->l2_len;
+ info->outer_l3_len = info->l3_len;
+
+ if (ip_version == 4) {
+ parse_ipv4(ipv4_hdr, info);
+ info->ethertype = _htons(ETHER_TYPE_IPv4);
+ } else {
+ parse_ipv6(ipv6_hdr, info);
+ info->ethertype = _htons(ETHER_TYPE_IPv6);
+ }
+ info->l2_len = 0;
+}
+