RE: Fast recovery ssthresh value

2020-08-23 Thread Scheffenegger, Richard
s, Richard Scheffenegger -Original Message- From: owner-freebsd-...@freebsd.org On Behalf Of Liang Tian Sent: Sonntag, 23. August 2020 00:14 To: freebsd-net Subject: Fast recovery ssthresh value NetApp Security WARNING: This is an external email. Do not click links or open attachments

Fast recovery ssthresh value

2020-08-22 Thread Liang Tian
Hi all, When 3 dupacks are received and TCP enter fast recovery, if SACK is used, the CWND is set to maxseg: 2593 if (tp->t_flags & TF_SACK_PERMIT) { 2594 TCPSTAT_INC( 2595 tcps_sack_recovery_episode); 2596