needed_desc--;
}
+ /*
+ * 8000-series EF10 hardware requires that innermost IP length
+ * be greater than or equal to the value which each segment is
+ * supposed to have; otherwise, TCP checksum will be incorrect.
+ *
+ * The same concern applies to outer UDP datagram length field.
+ */
+ switch (m_seg->ol_flags & PKT_TX_TUNNEL_MASK) {
+ case PKT_TX_TUNNEL_VXLAN:
+ /* FALLTHROUGH */
+ case PKT_TX_TUNNEL_GENEVE:
+ sfc_tso_outer_udp_fix_len(first_m_seg, hdr_addr);
+ break;
+ default:
+ break;
+ }
+
+ sfc_tso_innermost_ip_fix_len(first_m_seg, hdr_addr, iph_off);
+
/*
* Tx prepare has debug-only checks that offload flags are correctly
* filled in in TSO mbuf. Use zero IPID if there is no IPv4 flag.