[IPV6]: ROUTE: Try selecting better route for non-default routes as well.
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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parent
045927ff84
commit
118f8c1654
1 changed files with 13 additions and 5 deletions
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@ -415,7 +415,7 @@ void ip6_route_input(struct sk_buff *skb)
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int attempts = 3;
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int err;
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strict = ipv6_addr_type(&skb->nh.ipv6h->daddr) & (IPV6_ADDR_MULTICAST|IPV6_ADDR_LINKLOCAL);
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strict = ipv6_addr_type(&skb->nh.ipv6h->daddr) & (IPV6_ADDR_MULTICAST|IPV6_ADDR_LINKLOCAL) ? RT6_SELECT_F_IFACE : 0;
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relookup:
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read_lock_bh(&rt6_lock);
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@ -427,12 +427,16 @@ void ip6_route_input(struct sk_buff *skb)
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rt = fn->leaf;
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if ((rt->rt6i_flags & RTF_CACHE)) {
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rt = rt6_device_match(rt, skb->dev->ifindex, strict);
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rt = rt6_select(&fn->leaf, skb->dev->ifindex, strict | RT6_SELECT_F_REACHABLE);
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if (rt == &ip6_null_entry)
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rt = rt6_select(&fn->leaf, skb->dev->ifindex, strict);
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BACKTRACK();
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goto out;
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}
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rt = rt6_device_match(rt, skb->dev->ifindex, strict);
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rt = rt6_select(&fn->leaf, skb->dev->ifindex, strict | RT6_SELECT_F_REACHABLE);
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if (rt == &ip6_null_entry)
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rt = rt6_select(&fn->leaf, skb->dev->ifindex, strict);
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BACKTRACK();
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dst_hold(&rt->u.dst);
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@ -497,7 +501,9 @@ struct dst_entry * ip6_route_output(struct sock *sk, struct flowi *fl)
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rt = fn->leaf;
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if ((rt->rt6i_flags & RTF_CACHE)) {
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rt = rt6_device_match(rt, fl->oif, strict);
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rt = rt6_select(&fn->leaf, fl->oif, strict | RT6_SELECT_F_REACHABLE);
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if (rt == &ip6_null_entry)
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rt = rt6_select(&fn->leaf, fl->oif, strict);
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BACKTRACK();
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goto out;
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}
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@ -506,7 +512,9 @@ struct dst_entry * ip6_route_output(struct sock *sk, struct flowi *fl)
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if (rt == &ip6_null_entry)
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rt = rt6_select(&fn->leaf, fl->oif, strict);
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} else {
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rt = rt6_device_match(rt, fl->oif, strict);
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rt = rt6_select(&fn->leaf, fl->oif, strict | RT6_SELECT_F_REACHABLE);
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if (rt == &ip6_null_entry)
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rt = rt6_select(&fn->leaf, fl->oif, strict);
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BACKTRACK();
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}
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