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[src/trunk]: src/sys/net reduce unnecessary reqid of NAT-T ipsecif(4), sugges...



details:   https://anonhg.NetBSD.org/src/rev/8428c925629f
branches:  trunk
changeset: 970110:8428c925629f
user:      knakahara <knakahara%NetBSD.org@localhost>
date:      Fri Mar 13 02:43:31 2020 +0000

description:
reduce unnecessary reqid of NAT-T ipsecif(4), suggested by ohishi@IIJ.

diffstat:

 sys/net/if_ipsec.c |  9 ++++++---
 1 files changed, 6 insertions(+), 3 deletions(-)

diffs (30 lines):

diff -r 8a5a21f68333 -r 8428c925629f sys/net/if_ipsec.c
--- a/sys/net/if_ipsec.c        Fri Mar 13 01:48:16 2020 +0000
+++ b/sys/net/if_ipsec.c        Fri Mar 13 02:43:31 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: if_ipsec.c,v 1.28 2020/03/10 10:35:14 knakahara Exp $  */
+/*     $NetBSD: if_ipsec.c,v 1.29 2020/03/13 02:43:31 knakahara Exp $  */
 
 /*
  * Copyright (c) 2017 Internet Initiative Japan Inc.
@@ -27,7 +27,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_ipsec.c,v 1.28 2020/03/10 10:35:14 knakahara Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_ipsec.c,v 1.29 2020/03/13 02:43:31 knakahara Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_inet.h"
@@ -1584,7 +1584,10 @@
                xisr->sadb_x_ipsecrequest_proto = IPPROTO_ESP;
                xisr->sadb_x_ipsecrequest_mode = IPSEC_MODE_TRANSPORT;
                xisr->sadb_x_ipsecrequest_level = level;
-               xisr->sadb_x_ipsecrequest_reqid = key_newreqid();
+               if (level == IPSEC_LEVEL_UNIQUE)
+                       xisr->sadb_x_ipsecrequest_reqid = key_newreqid();
+               else
+                       xisr->sadb_x_ipsecrequest_reqid = 0;
        }
 
        return size;



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