net: ipv4 sysctl option to ignore routes when nexthop link is down

[uclinux-h8/linux.git] / net / ipv4 / fib_frontend.c

diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index 534eb14..6bbc549 100644 (file)
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -280,7 +280,7 @@ __be32 fib_compute_spec_dst(struct sk_buff *skb)
                fl4.flowi4_tos = RT_TOS(ip_hdr(skb)->tos);
                fl4.flowi4_scope = scope;
                fl4.flowi4_mark = IN_DEV_SRC_VMARK(in_dev) ? skb->mark : 0;
-               if (!fib_lookup(net, &fl4, &res))
+               if (!fib_lookup(net, &fl4, &res, 0))
                        return FIB_RES_PREFSRC(net, res);
        } else {
                scope = RT_SCOPE_LINK;
@@ -319,7 +319,7 @@ static int __fib_validate_source(struct sk_buff *skb, __be32 src, __be32 dst,
        fl4.flowi4_mark = IN_DEV_SRC_VMARK(idev) ? skb->mark : 0;
 
        net = dev_net(dev);
-       if (fib_lookup(net, &fl4, &res))
+       if (fib_lookup(net, &fl4, &res, 0))
                goto last_resort;
        if (res.type != RTN_UNICAST &&
            (res.type != RTN_LOCAL || !IN_DEV_ACCEPT_LOCAL(idev)))
@@ -354,7 +354,7 @@ static int __fib_validate_source(struct sk_buff *skb, __be32 src, __be32 dst,
        fl4.flowi4_oif = dev->ifindex;
 
        ret = 0;
-       if (fib_lookup(net, &fl4, &res) == 0) {
+       if (fib_lookup(net, &fl4, &res, FIB_LOOKUP_IGNORE_LINKSTATE) == 0) {
                if (res.type == RTN_UNICAST)
                        ret = FIB_RES_NH(res).nh_scope >= RT_SCOPE_HOST;
        }