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authorMichael Shalayeff <mickey@cvs.openbsd.org>1996-05-15 09:12:12 +0000
committerMichael Shalayeff <mickey@cvs.openbsd.org>1996-05-15 09:12:12 +0000
commit56bfc8277df963893aaa832aa1697379d9af6e1c (patch)
treec398fa938c1abe07f2a5bc5a4ef2858079b26a2e
parentb54aaf22a3886bdbb4459315dbece7b3b1f1892c (diff)
fix NetBSD PR#854.
allow to overwrite rfc1323 option in config file.
-rw-r--r--sys/netinet/tcp_subr.c18
1 files changed, 16 insertions, 2 deletions
diff --git a/sys/netinet/tcp_subr.c b/sys/netinet/tcp_subr.c
index 7c4d2183013..70840b1c3a8 100644
--- a/sys/netinet/tcp_subr.c
+++ b/sys/netinet/tcp_subr.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: tcp_subr.c,v 1.3 1996/03/03 22:30:47 niklas Exp $ */
+/* $OpenBSD: tcp_subr.c,v 1.4 1996/05/15 09:12:11 mickey Exp $ */
/* $NetBSD: tcp_subr.c,v 1.22 1996/02/13 23:44:00 christos Exp $ */
/*
@@ -65,7 +65,21 @@
/* patchable/settable parameters for tcp */
int tcp_mssdflt = TCP_MSS;
int tcp_rttdflt = TCPTV_SRTTDFLT / PR_SLOWHZ;
-int tcp_do_rfc1323 = 1;
+
+/*
+ * Configure kernel with options "TCP_DO_RFC1323=0" to disable RFC1323 stuff.
+ * This is a good idea over slow SLIP/PPP links, because the timestamp
+ * pretty well destroys the VJ compression (any packet with a timestamp
+ * different from the previous one can't be compressed), as well as adding
+ * more overhead.
+ * XXX "tcp_do_rfc1323" should be sysctl() changeable.
+ * XXX And it should be a settable per route characteristic (with this just
+ * used as the default).
+ */
+#ifndef TCP_DO_RFC1323
+#define TCP_DO_RFC1323 1
+#endif
+int tcp_do_rfc1323 = TCP_DO_RFC1323;
#ifndef TCBHASHSIZE
#define TCBHASHSIZE 128