[libvirt] [PATCH V1 1/3] Implement virMacAddrIsBroadcastRaw
Add function for testing for Ethernet broadcast address
---
src/libvirt_private.syms | 1 +
src/util/virmacaddr.c | 9 +++++++++
src/util/virmacaddr.h | 2 ++
3 files changed, 12 insertions(+)
Index: libvirt-acl/src/util/virmacaddr.c
===================================================================
--- libvirt-acl.orig/src/util/virmacaddr.c
+++ libvirt-acl/src/util/virmacaddr.c
@@ -30,6 +30,9 @@
#include "virmacaddr.h"
#include "virrandom.h"
+static const unsigned char virMacAddrBroadcastAddrRaw[VIR_MAC_BUFLEN] =
+ { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
+
/* Compare two MAC addresses, ignoring differences in case,
* as well as leading zeros.
*/
@@ -218,3 +221,9 @@ virMacAddrIsUnicast(const virMacAddrPtr
{
return !(mac->addr[0] & 1);
}
+
+bool
+virMacAddrIsBroadcastRaw(const unsigned char s[VIR_MAC_BUFLEN])
+{
+ return memcmp(virMacAddrBroadcastAddrRaw, s, sizeof(*s)) == 0;
+}
Index: libvirt-acl/src/util/virmacaddr.h
===================================================================
--- libvirt-acl.orig/src/util/virmacaddr.h
+++ libvirt-acl/src/util/virmacaddr.h
@@ -52,4 +52,6 @@ int virMacAddrParse(const char* str,
virMacAddrPtr addr) ATTRIBUTE_RETURN_CHECK;
bool virMacAddrIsUnicast(const virMacAddrPtr addr);
bool virMacAddrIsMulticast(const virMacAddrPtr addr);
+bool virMacAddrIsBroadcastRaw(const unsigned char s[VIR_MAC_BUFLEN]);
+
#endif /* __VIR_MACADDR_H__ */
Index: libvirt-acl/src/libvirt_private.syms
===================================================================
--- libvirt-acl.orig/src/libvirt_private.syms
+++ libvirt-acl/src/libvirt_private.syms
@@ -1329,6 +1329,7 @@ virMacAddrCompare;
virMacAddrFormat;
virMacAddrGenerate;
virMacAddrGetRaw;
+virMacAddrIsBroadcastRaw;
virMacAddrIsMulticast;
virMacAddrIsUnicast;
virMacAddrParse;