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[IPV4]: Enable use of 240/4 address space.

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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>
This commit is contained in:
Jan Engelhardt 2008-01-21 03:18:08 -08:00 • committed by David S. Miller
parent 96750162b5
commit 1e637c74b0
5 changed files with 12 additions and 11 deletions
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5
include/linux/in.h
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@ -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)