[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>
diff --git a/include/linux/in.h b/include/linux/in.h
index 27d8a5a..70c6df8 100644
--- a/include/linux/in.h
+++ b/include/linux/in.h
@@ -262,9 +262,10 @@
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)