+ /* find SMBIOS type 41 entries for on-board devices */
+ index = udev_device_get_sysattr_value(d, "index");
+ if (index) {
+ unsigned int idx;
+
+ idx = strtoul(index, NULL, 0);
+ if (idx > 0) {
+ const char *label;
+ char s[16];
+
+ snprintf(s, sizeof(s), "%so%d", prefix, idx);
+ udev_builtin_add_property(dev, test, "ID_NET_NAME_FIRMWARE", s);
+
+ label = udev_device_get_sysattr_value(d, "label");
+ if (label)
+ udev_builtin_add_property(dev, test, "ID_NET_LABEL_FIRMWARE", label);
+ }
+ }
+
+ /* compose a name based on the PCI bus location */
+ if (sscanf(udev_device_get_sysname(d), "0000:%x:%x.%d", &bus, &slot, &func) == 3) {
+ char str[16];
+
+ snprintf(str, sizeof(str), "%sp%ds%df%d", prefix, bus, slot, func);
+ err = udev_builtin_add_property(dev, test, "ID_NET_NAME_PATH", str);
+ if (err < 0)
+ return err;
+ }
+ return 0;
+}
+
+static int dev_mac(struct udev_device *dev, const char *prefix, bool test) {
+ const char *s;
+ unsigned int i;
+ unsigned int a1, a2, a3, a4, a5, a6;
+ char str[16];
+ int err;
+
+ /* check for NET_ADDR_PERM, skip random MAC addresses */
+ s = udev_device_get_sysattr_value(dev, "addr_assign_type");
+ if (!s)
+ return EXIT_FAILURE;
+ i = strtoul(s, NULL, 0);
+ if (i != 0)
+ return 0;
+
+ s = udev_device_get_sysattr_value(dev, "address");
+ if (!s)
+ return -ENOENT;
+ if (sscanf(s, "%x:%x:%x:%x:%x:%x", &a1, &a2, &a3, &a4, &a5, &a6) != 6)
+ return -EINVAL;
+
+ /* skip empty MAC addresses */
+ if (a1 + a2 + a3 + a4 + a5 + a6 == 0)