On Mon, 2017-10-23 at 13:28 +0900, Koichiro Den wrote: > Indeed, meaning that tcp_clean_rtx_queue implementation never takes. > But for me it seems that there is some possibility RACK algorithm will take > it.
As long as tp->tcp_mstamp is monotonically increasing (and it is ;) ), RACK will behave properly. I am not sure we need to discuss this forever frankly ;)