Can't find anywhere prerequisite on segment offloading, any link on this?
"When Segmentation offload is on and SACK mechanism is also enabled, due to packet loss and selective retransmission of some packets, SKB could end up holding multiple packets, counted by ‘tcp_gso_segs’."
Segmentation offload in linux is dependent on checksum offloads per here:
https://www.kernel.org/doc/Documentation/networking/segmenta...