Re: [PATCH net] tcp_bbr: fix to zero idle_restart only upon S/ACKed data

From: Neal Cardwell Date: Tue, 1 May 2018 21:45:41 -0400 > Previously the bbr->idle_restart tracking was zeroing out the > bbr->idle_restart bit upon ACKs that did not SACK or ACK anything, > e.g. receiving incoming data or receiver window updates. In such > situations BBR would forget that this

[PATCH net] tcp_bbr: fix to zero idle_restart only upon S/ACKed data

Previously the bbr->idle_restart tracking was zeroing out the bbr->idle_restart bit upon ACKs that did not SACK or ACK anything, e.g. receiving incoming data or receiver window updates. In such situations BBR would forget that this was a restart-from-idle situation, and if the min_rtt had expired i