+static void
+bridge_pick_local_hw_addr(struct bridge *br, uint8_t ea[ETH_ADDR_LEN],
+ struct iface **hw_addr_iface)
+{
+ const char *hwaddr;
+ *hw_addr_iface = NULL;
+
+ /* Did the user request a particular MAC? */
+ hwaddr = smap_get(&br->cfg->other_config, "hwaddr");
+ if (hwaddr && eth_addr_from_string(hwaddr, ea)) {
+ if (eth_addr_is_multicast(ea)) {
+ VLOG_ERR("bridge %s: cannot set MAC address to multicast "
+ "address "ETH_ADDR_FMT, br->name, ETH_ADDR_ARGS(ea));
+ } else if (eth_addr_is_zero(ea)) {
+ VLOG_ERR("bridge %s: cannot set MAC address to zero", br->name);
+ } else {
+ return;
+ }
+ }
+
+ /* Find a local hw address */
+ find_local_hw_addr(br, ea, NULL, hw_addr_iface);
+}
+