+ if (unlikely(slen < hlen + sizeof(struct rte_ipv4_hdr)))
+ return hw->mtu - sizeof(struct rte_ipv4_hdr)
+ - sizeof(struct rte_tcp_hdr);
+
+ ipv4_hdr = (struct rte_ipv4_hdr *)(ptr + hlen);
+ hlen += rte_ipv4_hdr_len(ipv4_hdr);
+ } else if (rcd->v6) {
+ if (unlikely(slen < hlen + sizeof(struct rte_ipv6_hdr)))
+ return hw->mtu - sizeof(struct rte_ipv6_hdr) -
+ sizeof(struct rte_tcp_hdr);
+
+ ipv6_hdr = (struct rte_ipv6_hdr *)(ptr + hlen);
+ hlen += sizeof(struct rte_ipv6_hdr);
+ if (unlikely(ipv6_hdr->proto != IPPROTO_TCP)) {
+ int frag;
+
+ rte_net_skip_ip6_ext(ipv6_hdr->proto, rxm,
+ &hlen, &frag);
+ }
+ }
+
+ if (unlikely(slen < hlen + sizeof(struct rte_tcp_hdr)))
+ return hw->mtu - hlen - sizeof(struct rte_tcp_hdr) +
+ sizeof(struct rte_ether_hdr);
+
+ tcp_hdr = (struct rte_tcp_hdr *)(ptr + hlen);
+ hlen += (tcp_hdr->data_off & 0xf0) >> 2;
+
+ segs = *vmxnet3_segs_dynfield(rxm);
+ if (segs > 1)
+ return (rte_pktmbuf_pkt_len(rxm) - hlen + segs - 1) / segs;
+ else
+ return hw->mtu - hlen + sizeof(struct rte_ether_hdr);
+}
+
+/* Receive side checksum and other offloads */
+static inline void
+vmxnet3_rx_offload(struct vmxnet3_hw *hw, const Vmxnet3_RxCompDesc *rcd,
+ struct rte_mbuf *rxm, const uint8_t sop)
+{
+ uint64_t ol_flags = rxm->ol_flags;
+ uint32_t packet_type = rxm->packet_type;
+
+ /* Offloads set in sop */
+ if (sop) {
+ /* Set packet type */
+ packet_type |= RTE_PTYPE_L2_ETHER;
+
+ /* Check large packet receive */
+ if (VMXNET3_VERSION_GE_2(hw) &&
+ rcd->type == VMXNET3_CDTYPE_RXCOMP_LRO) {
+ const Vmxnet3_RxCompDescExt *rcde =
+ (const Vmxnet3_RxCompDescExt *)rcd;
+
+ rxm->tso_segsz = rcde->mss;
+ *vmxnet3_segs_dynfield(rxm) = rcde->segCnt;
+ ol_flags |= PKT_RX_LRO;
+ }
+ } else { /* Offloads set in eop */
+ /* Check for RSS */
+ if (rcd->rssType != VMXNET3_RCD_RSS_TYPE_NONE) {
+ ol_flags |= PKT_RX_RSS_HASH;
+ rxm->hash.rss = rcd->rssHash;
+ }