#include <sys/param.h>
#include <sys/ucred.h>
#include <sys/mount.h>
+#include <net/if_dl.h>
+#include <net/ethernet.h>
#include <paths.h>
#if defined(CONFIG_FSFREEZE) || defined(CONFIG_FSTRIM)
bool guest_get_hw_addr(struct ifaddrs *ifa, unsigned char *buf,
bool *obtained, Error **errp)
{
+ struct sockaddr_dl *sdp;
+
*obtained = false;
+
+ if (ifa->ifa_addr->sa_family != AF_LINK) {
+ /* We can get HW address only for AF_LINK family. */
+ g_debug("failed to get MAC address of %s", ifa->ifa_name);
+ return true;
+ }
+
+ sdp = (struct sockaddr_dl *)ifa->ifa_addr;
+ memcpy(buf, sdp->sdl_data + sdp->sdl_nlen, ETHER_ADDR_LEN);
+ *obtained = true;
+
return true;
}
#endif /* HAVE_GETIFADDRS */