On Thu, Aug 25, 2016 at 09:17:18AM -0300, Marcelo Ricardo Leitner wrote: > On Thu, Aug 25, 2016 at 09:31:26AM +0200, Steffen Klassert wrote: > > > > Just to understand what you are doing. You generate MTU sized linear > > buffers in sctp and then, skb_gro_receive() chains up these buffers > > at the frag_list pointer. skb_gro_receive() does this because > > skb_gro_offset is null and skb->head_frag is not set in your case. > > > > At segmentation, you just need to split at the frag_list pointer > > because you know that the chained buffers fit the MTU, right? > > > > Correct. Just note that these buffers fit the MTU, but not necessary > uses all of it. That is main point in here, variable segmentation size.
Thanks for the info. This is a very interesting concept, maybe I can use it for IPsec too.
