net: common metrics init helper for dst_entry

ipv4 and ipv6 both use refcounted metrics if FIB entries have metrics set.
Move the common initialization code to a helper and use for both protocols.

Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David Ahern
2018-10-04 20:07:53 -07:00
committed by David S. Miller
parent cc5f0eb216
commit e1255ed4b6
3 changed files with 15 additions and 10 deletions

View File

@@ -1528,11 +1528,8 @@ static void rt_set_nexthop(struct rtable *rt, __be32 daddr,
rt->rt_gateway = nh->nh_gw;
rt->rt_uses_gateway = 1;
}
dst_init_metrics(&rt->dst, fi->fib_metrics->metrics, true);
if (fi->fib_metrics != &dst_default_metrics) {
rt->dst._metrics |= DST_METRICS_REFCOUNTED;
refcount_inc(&fi->fib_metrics->refcnt);
}
ip_dst_init_metrics(&rt->dst, fi->fib_metrics);
#ifdef CONFIG_IP_ROUTE_CLASSID
rt->dst.tclassid = nh->nh_tclassid;
#endif