commit 101aa2f70c937abb428c9433c39ba0fd9a91fe6b
Author: Hans Petter Jansson <hpj@cl.no>
Date:   Thu Jun 20 23:54:11 2019 +0200

    Revert IPQoS DSCP AF21/CS1 from upstream due to bugs in other software
    
    Reverts OpenBSD-Commit-ID: d11d2a4484f461524ef0c20870523dfcdeb52181

diff --git a/readconf.c b/readconf.c
index 24f2cb1..bbdea0d 100644
--- a/readconf.c
+++ b/readconf.c
@@ -2183,9 +2183,9 @@ fill_default_options(Options * options)
 	if (options->visual_host_key == -1)
 		options->visual_host_key = 0;
 	if (options->ip_qos_interactive == -1)
-		options->ip_qos_interactive = IPTOS_DSCP_AF21;
+		options->ip_qos_interactive = IPTOS_LOWDELAY;
 	if (options->ip_qos_bulk == -1)
-		options->ip_qos_bulk = IPTOS_DSCP_CS1;
+		options->ip_qos_bulk = IPTOS_THROUGHPUT;
 	if (options->request_tty == -1)
 		options->request_tty = REQUEST_TTY_AUTO;
 	if (options->proxy_use_fdpass == -1)
diff --git a/servconf.c b/servconf.c
index 13cf154..766ac6b 100644
--- a/servconf.c
+++ b/servconf.c
@@ -445,9 +445,9 @@ fill_default_server_options(ServerOptions *options)
 	if (options->permit_tun == -1)
 		options->permit_tun = SSH_TUNMODE_NO;
 	if (options->ip_qos_interactive == -1)
-		options->ip_qos_interactive = IPTOS_DSCP_AF21;
+		options->ip_qos_interactive = IPTOS_LOWDELAY;
 	if (options->ip_qos_bulk == -1)
-		options->ip_qos_bulk = IPTOS_DSCP_CS1;
+		options->ip_qos_bulk = IPTOS_THROUGHPUT;
 	if (options->version_addendum == NULL)
 		options->version_addendum = xstrdup("");
 	if (options->fwd_opts.streamlocal_bind_mask == (mode_t)-1)
diff --git a/ssh_config.5 b/ssh_config.5
index 3bf0502..10246f8 100644
--- a/ssh_config.5
+++ b/ssh_config.5
@@ -1088,11 +1088,9 @@ If one argument is specified, it is used as the packet class unconditionally.
 If two values are specified, the first is automatically selected for
 interactive sessions and the second for non-interactive sessions.
 The default is
-.Cm af21
-(Low-Latency Data)
+.Cm lowdelay
 for interactive sessions and
-.Cm cs1
-(Lower Effort)
+.Cm throughput
 for non-interactive sessions.
 .It Cm KbdInteractiveAuthentication
 Specifies whether to use keyboard-interactive authentication.
diff --git a/sshd_config.5 b/sshd_config.5
index 50a4917..a276fcb 100644
--- a/sshd_config.5
+++ b/sshd_config.5
@@ -868,11 +868,9 @@ If one argument is specified, it is used as the packet class unconditionally.
 If two values are specified, the first is automatically selected for
 interactive sessions and the second for non-interactive sessions.
 The default is
-.Cm af21
-(Low-Latency Data)
+.Cm lowdelay
 for interactive sessions and
-.Cm cs1
-(Lower Effort)
+.Cm throughput
 for non-interactive sessions.
 .It Cm KbdInteractiveAuthentication
 Specifies whether to allow keyboard-interactive authentication.