22bc53cb48
It is simply not required since the kernel checks corresponding IFCAP_TSOx capability and CSUM_TSO in hw-assisted offloads. Note that CSUM_TSO is two bits (CSUM_IP_TSO|CSUM_IP6_TSO) and both bits are set in IPv4 and IPv6 mbufs. Reviewed by: gnn Sponsored by: Solarflare Communications, Inc. MFC after: 2 days Differential Revision: https://reviews.freebsd.org/D2546