summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorYOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>2006-11-06 18:45:45 +0100
committerDavid S. Miller <davem@sunset.davemloft.net>2006-11-22 01:16:25 +0100
commitea659e0775281e1c02556e939bf749bb4f55e50c (patch)
treefbc6e225fce78660ee6ff3472785ce32cbe553bc
parent[IPV6] ROUTE: Prefer reachable nexthop only if the caller requests. (diff)
downloadlinux-ea659e0775281e1c02556e939bf749bb4f55e50c.tar.xz
linux-ea659e0775281e1c02556e939bf749bb4f55e50c.zip
[IPV6] ROUTE: Do not enable router reachability probing in router mode.
RFC4191 explicitly states that the procedures are applicable to hosts only. We should not have changed behavior of routers. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
-rw-r--r--net/ipv6/route.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index a972a6641ed5..b39ae99122d5 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -380,10 +380,11 @@ static struct rt6_info *rt6_select(struct rt6_info **head, int oif,
continue;
if (m > mpri) {
- rt6_probe(match);
+ if (strict & RT6_LOOKUP_F_REACHABLE)
+ rt6_probe(match);
match = rt;
mpri = m;
- } else {
+ } else if (strict & RT6_LOOKUP_F_REACHABLE) {
rt6_probe(rt);
}
}
@@ -636,7 +637,7 @@ static struct rt6_info *ip6_pol_route_input(struct fib6_table *table,
int strict = 0;
int attempts = 3;
int err;
- int reachable = RT6_LOOKUP_F_REACHABLE;
+ int reachable = ipv6_devconf.forwarding ? 0 : RT6_LOOKUP_F_REACHABLE;
strict |= flags & RT6_LOOKUP_F_IFACE;
@@ -733,7 +734,7 @@ static struct rt6_info *ip6_pol_route_output(struct fib6_table *table,
int strict = 0;
int attempts = 3;
int err;
- int reachable = RT6_LOOKUP_F_REACHABLE;
+ int reachable = ipv6_devconf.forwarding ? 0 : RT6_LOOKUP_F_REACHABLE;
strict |= flags & RT6_LOOKUP_F_IFACE;