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ipv6: Remove IPV6_ADDR_RESERVED 

RFC 4291 section 2.4 states that all uncategorized addresses
should be considered as Global Unicast.

This will remove IPV6_ADDR_RESERVED completely
and return IPV6_ADDR_UNICAST in ipv6_addr_type() instead.

Signed-off-by: Ulrich Weber <uweber@astaro.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ulrich Weber 2010-02-25 23:28:58 +00:00 committed by David S. Miller
parent 1d9cfc4e35
commit 45bb006090
4 changed files with 3 additions and 5 deletions
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1
include/net/ipv6.h
View File

@ -73,7 +73,6 @@
#define IPV6_ADDR_SCOPE_MASK 0x00f0U
#define IPV6_ADDR_MAPPED 0x1000U
#define IPV6_ADDR_RESERVED 0x2000U /* reserved address space */
/*
* Addr scopes

3
net/ipv6/addrconf.c
View File

@ -992,8 +992,7 @@ struct ipv6_saddr_dst {
static inline int ipv6_saddr_preferred(int type)
{
if (type & (IPV6_ADDR_MAPPED|IPV6_ADDR_COMPATv4|
IPV6_ADDR_LOOPBACK|IPV6_ADDR_RESERVED))
if (type & (IPV6_ADDR_MAPPED|IPV6_ADDR_COMPATv4|IPV6_ADDR_LOOPBACK))
return 1;
return 0;
}

2
net/ipv6/addrconf_core.c
View File

@ -72,7 +72,7 @@ int __ipv6_addr_type(const struct in6_addr *addr)
IPV6_ADDR_SCOPE_TYPE(IPV6_ADDR_SCOPE_GLOBAL)); /* addr-select 3.3 */
}
return (IPV6_ADDR_RESERVED |
return (IPV6_ADDR_UNICAST |
IPV6_ADDR_SCOPE_TYPE(IPV6_ADDR_SCOPE_GLOBAL)); /* addr-select 3.4 */
}
EXPORT_SYMBOL(__ipv6_addr_type);

2
net/ipv6/route.c
View File

@ -1873,7 +1873,7 @@ static int ip6_pkt_drop(struct sk_buff *skb, u8 code, int ipstats_mib_noroutes)
switch (ipstats_mib_noroutes) {
case IPSTATS_MIB_INNOROUTES:
type = ipv6_addr_type(&ipv6_hdr(skb)->daddr);
if (type == IPV6_ADDR_ANY || type == IPV6_ADDR_RESERVED) {
if (type == IPV6_ADDR_ANY) {
IP6_INC_STATS(dev_net(dst->dev), ip6_dst_idev(dst),
IPSTATS_MIB_INADDRERRORS);
break;