X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=datapath%2Flinux-2.6%2Fcompat-2.6%2Finclude%2Flinux%2Fin.h;h=f91a832a7f1742f534f13daaf64cf237114f0474;hb=d43e8ef3f41160a8c45f96216faffb4afd957948;hp=fd5c3c67369a14d695903dd4729b1a8544818533;hpb=02dd3123a0e312f1d33403e744af52dd6096f12d;p=openvswitch

diff --git a/datapath/linux-2.6/compat-2.6/include/linux/in.h b/datapath/linux-2.6/compat-2.6/include/linux/in.h
index fd5c3c67..f91a832a 100644
--- a/datapath/linux-2.6/compat-2.6/include/linux/in.h
+++ b/datapath/linux-2.6/compat-2.6/include/linux/in.h
@@ -5,11 +5,32 @@
 
 #ifndef HAVE_IPV4_IS_MULTICAST
 
+static inline bool ipv4_is_loopback(__be32 addr)
+{
+	return (addr & htonl(0xff000000)) == htonl(0x7f000000);
+}
+
 static inline bool ipv4_is_multicast(__be32 addr)
 {
 	return (addr & htonl(0xf0000000)) == htonl(0xe0000000);
 }
 
+static inline bool ipv4_is_local_multicast(__be32 addr)
+{
+	return (addr & htonl(0xffffff00)) == htonl(0xe0000000);
+}
+
+static inline bool ipv4_is_lbcast(__be32 addr)
+{
+	/* limited broadcast */
+	return addr == htonl(INADDR_BROADCAST);
+}
+
+static inline bool ipv4_is_zeronet(__be32 addr)
+{
+	return (addr & htonl(0xff000000)) == htonl(0x00000000);
+}
+
 #endif /* !HAVE_IPV4_IS_MULTICAST */
 
 #endif