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[IPV6]: Support Source Address Selection API (RFC5014).

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Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
This commit is contained in:
YOSHIFUJI Hideaki
2008-03-25 09:37:42 +09:00
parent 1d5d236d30
commit 7cbca67c07
12 changed files with 146 additions and 13 deletions
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11
net/ipv6/route.c
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@@ -782,6 +782,15 @@ struct dst_entry * ip6_route_output(struct net *net, struct sock *sk,
if (!ipv6_addr_any(&fl->fl6_src))
flags |= RT6_LOOKUP_F_HAS_SADDR;
else if (sk) {
unsigned int prefs = inet6_sk(sk)->srcprefs;
if (prefs & IPV6_PREFER_SRC_TMP)
flags |= RT6_LOOKUP_F_SRCPREF_TMP;
if (prefs & IPV6_PREFER_SRC_PUBLIC)
flags |= RT6_LOOKUP_F_SRCPREF_PUBLIC;
if (prefs & IPV6_PREFER_SRC_COA)
flags |= RT6_LOOKUP_F_SRCPREF_COA;
}
return fib6_rule_lookup(net, fl, flags, ip6_pol_route_output);
}
@@ -2162,7 +2171,7 @@ static int rt6_fill_node(struct sk_buff *skb, struct rt6_info *rt,
else if (dst) {
struct in6_addr saddr_buf;
if (ipv6_dev_get_saddr(ip6_dst_idev(&rt->u.dst)->dev,
dst, &saddr_buf) == 0)
dst, 0, &saddr_buf) == 0)
NLA_PUT(skb, RTA_PREFSRC, 16, &saddr_buf);
}