Re: kern/55567 (tcp-send slows down to slow single byte transfers)

[Frank Kardel <kardel%netbsd.org@localhost>]

The following reply was made to PR kern/55567; it has been noted by GNATS.

From: Frank Kardel <kardel%netbsd.org@localhost>
To: gnats-bugs%netbsd.org@localhost
Cc: 
Subject: Re: kern/55567 (tcp-send slows down to slow single byte transfers)
Date: Fri, 11 Sep 2020 12:29:39 +0200

 Module Name:	src
 Committed By:	kardel
 Date:		Fri Sep 11 09:08:47 UTC 2020
 
 Modified Files:
 	src/sys/netinet: tcp_input.c
 
 Log Message:
 PR/kern 55567
 
 fix the data-only fast path. RCV.UP and SND.WL1 could be left behind
 on long sequences of data only packets. pull them along to avoid relative
 sequence wraps.
 
 consistent with FreeBSD
 
 addresses second failure mode of PR/kern 55567.
 
 pullup to netbsd-8
 pullup to netbsd-9