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| author | Jan Engelhardt <jengelh@computergmbh.de> | 2008-01-21 03:18:08 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-01-28 15:08:44 -0800 |
| commit | 1e637c74b0f84eaca02b914c0b8c6f67276e9697 (patch) | |
| tree | 18e42bbac80529c36ac3e6a8e5b68538e0db10df /include | |
| parent | 96750162b5f7350ec7ba7cf747a6623858d65dd2 (diff) | |
| download | kernel-common-1e637c74b0f84eaca02b914c0b8c6f67276e9697.tar.gz kernel-common-1e637c74b0f84eaca02b914c0b8c6f67276e9697.tar.bz2 kernel-common-1e637c74b0f84eaca02b914c0b8c6f67276e9697.zip | |
[IPV4]: Enable use of 240/4 address space.
This short patch modifies the IPv4 networking to enable use of the
240.0.0.0/4 (aka "class-E") address space as propsed in the internet
draft draft-fuller-240space-00.txt.
Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de>
Acked-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/in.h | 5 | ||||
| -rw-r--r-- | include/net/addrconf.h | 2 |
2 files changed, 4 insertions, 3 deletions
diff --git a/include/linux/in.h b/include/linux/in.h index 27d8a5ae9f75..70c6df882694 100644 --- a/include/linux/in.h +++ b/include/linux/in.h @@ -262,9 +262,10 @@ static inline bool ipv4_is_local_multicast(__be32 addr) return (addr & htonl(0xffffff00)) == htonl(0xe0000000); } -static inline bool ipv4_is_badclass(__be32 addr) +static inline bool ipv4_is_lbcast(__be32 addr) { - return (addr & htonl(0xf0000000)) == htonl(0xf0000000); + /* limited broadcast */ + return addr == INADDR_BROADCAST; } static inline bool ipv4_is_zeronet(__be32 addr) diff --git a/include/net/addrconf.h b/include/net/addrconf.h index 8b1509bfc695..496503c03846 100644 --- a/include/net/addrconf.h +++ b/include/net/addrconf.h @@ -262,7 +262,7 @@ static inline int ipv6_isatap_eui64(u8 *eui, __be32 addr) ipv4_is_private_172(addr) || ipv4_is_test_192(addr) || ipv4_is_anycast_6to4(addr) || ipv4_is_private_192(addr) || ipv4_is_test_198(addr) || ipv4_is_multicast(addr) || - ipv4_is_badclass(addr)) ? 0x00 : 0x02; + ipv4_is_lbcast(addr)) ? 0x00 : 0x02; eui[1] = 0; eui[2] = 0x5E; eui[3] = 0xFE; |