Commit ea659e07 authored by YOSHIFUJI Hideaki's avatar YOSHIFUJI Hideaki Committed by David S. Miller
Browse files

[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: default avatarYOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
parent 557e92ef

net/ipv6/route.c

+5 −4
Original line number Diff line number Diff line
@@ -380,10 +380,11 @@ static struct rt6_info *rt6_select(struct rt6_info **head, int oif, 
			continue;



		if (m > mpri) {

			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;

CRA Git | Maintained and supported by SUSTech CRA and CCSE