git: 265d0f767ca8 - main - tcp: honor rfc1323 sysctl on passive sessions
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Date: Fri, 07 Oct 2022 14:56:24 UTC
The branch main has been updated by rscheff:
URL: https://cgit.FreeBSD.org/src/commit/?id=265d0f767ca851650ac40d8a483111d997497a9e
commit 265d0f767ca851650ac40d8a483111d997497a9e
Author: Richard Scheffenegger <rscheff@FreeBSD.org>
AuthorDate: 2022-10-06 23:43:14 +0000
Commit: Richard Scheffenegger <rscheff@FreeBSD.org>
CommitDate: 2022-10-06 23:49:10 +0000
tcp: honor rfc1323 sysctl on passive sessions
On passive sessions, honor the local settings disabling or
enabling window scaling and timestamp options.
Reviewed By: tuexen, #transport
Sponsored by: NetApp, Inc.
Differential Revision: https://reviews.freebsd.org/D36874
---
share/man/man4/tcp.4 | 2 +-
sys/netinet/tcp_syncache.c | 4 ++--
2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/share/man/man4/tcp.4 b/share/man/man4/tcp.4
index e6f4ced0c1cf..ba5d57bcf46c 100644
--- a/share/man/man4/tcp.4
+++ b/share/man/man4/tcp.4
@@ -34,7 +34,7 @@
.\" From: @(#)tcp.4 8.1 (Berkeley) 6/5/93
.\" $FreeBSD$
.\"
-.Dd August 1, 2022
+.Dd October 7, 2022
.Dt TCP 4
.Os
.Sh NAME
diff --git a/sys/netinet/tcp_syncache.c b/sys/netinet/tcp_syncache.c
index d5380c32391b..2f0e6236f612 100644
--- a/sys/netinet/tcp_syncache.c
+++ b/sys/netinet/tcp_syncache.c
@@ -1679,12 +1679,12 @@ skip_alloc:
* A timestamp received in a SYN makes
* it ok to send timestamp requests and replies.
*/
- if (to->to_flags & TOF_TS) {
+ if ((to->to_flags & TOF_TS) && (V_tcp_do_rfc1323 != 2)) {
sc->sc_tsreflect = to->to_tsval;
sc->sc_flags |= SCF_TIMESTAMP;
sc->sc_tsoff = tcp_new_ts_offset(inc);
}
- if (to->to_flags & TOF_SCALE) {
+ if ((to->to_flags & TOF_SCALE) && (V_tcp_do_rfc1323 != 3)) {
int wscale = 0;
/*