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[IPV6]: ROUTE: Try selecting better route for non-default routes as well.

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Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
YOSHIFUJI Hideaki 2006-03-20 17:01:06 -08:00 committed by David S. Miller
parent 045927ff84
commit 118f8c1654
1 changed files with 13 additions and 5 deletions
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18
net/ipv6/route.c
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@ -415,7 +415,7 @@ void ip6_route_input(struct sk_buff *skb)
int attempts = 3;
int err;
strict = ipv6_addr_type(&skb->nh.ipv6h->daddr) & (IPV6_ADDR_MULTICAST|IPV6_ADDR_LINKLOCAL);
strict = ipv6_addr_type(&skb->nh.ipv6h->daddr) & (IPV6_ADDR_MULTICAST|IPV6_ADDR_LINKLOCAL) ? RT6_SELECT_F_IFACE : 0;
relookup:
read_lock_bh(&rt6_lock);
@ -427,12 +427,16 @@ void ip6_route_input(struct sk_buff *skb)
rt = fn->leaf;
if ((rt->rt6i_flags & RTF_CACHE)) {
rt = rt6_device_match(rt, skb->dev->ifindex, strict);
rt = rt6_select(&fn->leaf, skb->dev->ifindex, strict | RT6_SELECT_F_REACHABLE);
if (rt == &ip6_null_entry)
rt = rt6_select(&fn->leaf, skb->dev->ifindex, strict);
BACKTRACK();
goto out;
}
rt = rt6_device_match(rt, skb->dev->ifindex, strict);
rt = rt6_select(&fn->leaf, skb->dev->ifindex, strict | RT6_SELECT_F_REACHABLE);
if (rt == &ip6_null_entry)
rt = rt6_select(&fn->leaf, skb->dev->ifindex, strict);
BACKTRACK();
dst_hold(&rt->u.dst);
@ -497,7 +501,9 @@ struct dst_entry * ip6_route_output(struct sock *sk, struct flowi *fl)
rt = fn->leaf;
if ((rt->rt6i_flags & RTF_CACHE)) {
rt = rt6_device_match(rt, fl->oif, strict);
rt = rt6_select(&fn->leaf, fl->oif, strict | RT6_SELECT_F_REACHABLE);
if (rt == &ip6_null_entry)
rt = rt6_select(&fn->leaf, fl->oif, strict);
BACKTRACK();
goto out;
}
@ -506,7 +512,9 @@ struct dst_entry * ip6_route_output(struct sock *sk, struct flowi *fl)
if (rt == &ip6_null_entry)
rt = rt6_select(&fn->leaf, fl->oif, strict);
} else {
rt = rt6_device_match(rt, fl->oif, strict);
rt = rt6_select(&fn->leaf, fl->oif, strict | RT6_SELECT_F_REACHABLE);
if (rt == &ip6_null_entry)
rt = rt6_select(&fn->leaf, fl->oif, strict);
BACKTRACK();
}