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[src/trunk]: src/sys Use rt_update framework on updating a rtentry



details:   https://anonhg.NetBSD.org/src/rev/4bd9f73bf7cf
branches:  trunk
changeset: 994283:4bd9f73bf7cf
user:      ozaki-r <ozaki-r%NetBSD.org@localhost>
date:      Tue Oct 30 05:56:02 2018 +0000

description:
Use rt_update framework on updating a rtentry

diffstat:

 sys/net/route.c    |  18 ++++++++++++++++--
 sys/netinet6/in6.c |  34 ++++++++++++++++++++++++++++++++--
 2 files changed, 48 insertions(+), 4 deletions(-)

diffs (106 lines):

diff -r d4214ada8e77 -r 4bd9f73bf7cf sys/net/route.c
--- a/sys/net/route.c   Tue Oct 30 05:54:41 2018 +0000
+++ b/sys/net/route.c   Tue Oct 30 05:56:02 2018 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: route.c,v 1.215 2018/10/30 05:54:42 ozaki-r Exp $      */
+/*     $NetBSD: route.c,v 1.216 2018/10/30 05:56:02 ozaki-r Exp $      */
 
 /*-
  * Copyright (c) 1998, 2008 The NetBSD Foundation, Inc.
@@ -97,7 +97,7 @@
 #endif
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: route.c,v 1.215 2018/10/30 05:54:42 ozaki-r Exp $");
+__KERNEL_RCSID(0, "$NetBSD: route.c,v 1.216 2018/10/30 05:56:02 ozaki-r Exp $");
 
 #include <sys/param.h>
 #ifdef RTFLUSH_DEBUG
@@ -1730,7 +1730,21 @@
                        }
                        rt_newaddrmsg(RTM_DELADDR, ifa, 0, NULL);
                } else {
+#ifdef NET_MPSAFE
+                       int error = rt_update_prepare(rt);
+                       if (error == 0) {
+                               rt_replace_ifa(rt, alt_ifa);
+                               rt_update_finish(rt);
+                       } else {
+                               /*
+                                * If error != 0, the rtentry is being
+                                * destroyed, so doing nothing doesn't
+                                * matter.
+                                */
+                       }
+#else
                        rt_replace_ifa(rt, alt_ifa);
+#endif
                        rt_newmsg(RTM_CHANGE, rt);
                }
        } else
diff -r d4214ada8e77 -r 4bd9f73bf7cf sys/netinet6/in6.c
--- a/sys/netinet6/in6.c        Tue Oct 30 05:54:41 2018 +0000
+++ b/sys/netinet6/in6.c        Tue Oct 30 05:56:02 2018 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: in6.c,v 1.269 2018/07/04 00:35:33 kamil Exp $  */
+/*     $NetBSD: in6.c,v 1.270 2018/10/30 05:56:02 ozaki-r Exp $        */
 /*     $KAME: in6.c,v 1.198 2001/07/18 09:12:38 itojun Exp $   */
 
 /*
@@ -62,7 +62,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: in6.c,v 1.269 2018/07/04 00:35:33 kamil Exp $");
+__KERNEL_RCSID(0, "$NetBSD: in6.c,v 1.270 2018/10/30 05:56:02 ozaki-r Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_inet.h"
@@ -867,8 +867,23 @@
                            ntohs(mltaddr.sin6_addr.s6_addr16[1]),
                            satocsin6(rt_getkey(rt))->sin6_addr.s6_addr16[0],
                            satocsin6(rt_getkey(rt))->sin6_addr.s6_addr16[1]);
+#ifdef NET_MPSAFE
+                       error = rt_update_prepare(rt);
+                       if (error == 0) {
+                               rt_replace_ifa(rt, &ia->ia_ifa);
+                               rt->rt_ifp = ifp;
+                               rt_update_finish(rt);
+                       } else {
+                               /*
+                                * If error != 0, the rtentry is being
+                                * destroyed, so doing nothing doesn't
+                                * matter.
+                                */
+                       }
+#else
                        rt_replace_ifa(rt, &ia->ia_ifa);
                        rt->rt_ifp = ifp;
+#endif
                }
        }
        if (!rt) {
@@ -951,8 +966,23 @@
                            ntohs(mltaddr.sin6_addr.s6_addr16[1]),
                            satocsin6(rt_getkey(rt))->sin6_addr.s6_addr16[0],
                            satocsin6(rt_getkey(rt))->sin6_addr.s6_addr16[1]);
+#ifdef NET_MPSAFE
+                       error = rt_update_prepare(rt);
+                       if (error == 0) {
+                               rt_replace_ifa(rt, &ia->ia_ifa);
+                               rt->rt_ifp = ifp;
+                               rt_update_finish(rt);
+                       } else {
+                               /*
+                                * If error != 0, the rtentry is being
+                                * destroyed, so doing nothing doesn't
+                                * matter.
+                                */
+                       }
+#else
                        rt_replace_ifa(rt, &ia->ia_ifa);
                        rt->rt_ifp = ifp;
+#endif
                }
        }
        if (!rt) {



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