+static int
+api_sw_interface_add_del_mac_address (vat_main_t * vam)
+{
+ unformat_input_t *i = vam->input;
+ vl_api_mac_address_t mac = { 0 };
+ vl_api_sw_interface_add_del_mac_address_t *mp;
+ u32 sw_if_index = ~0;
+ u8 is_add = 1;
+ u8 mac_set = 0;
+ int ret;
+
+ while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (i, "%U", api_unformat_sw_if_index, vam, &sw_if_index))
+ ;
+ else if (unformat (i, "sw_if_index %d", &sw_if_index))
+ ;
+ else if (unformat (i, "%U", unformat_vl_api_mac_address, &mac))
+ mac_set++;
+ else if (unformat (i, "del"))
+ is_add = 0;
+ else
+ break;
+ }
+
+ if (sw_if_index == ~0)
+ {
+ errmsg ("missing interface name or sw_if_index");
+ return -99;
+ }
+
+ if (!mac_set)
+ {
+ errmsg ("missing MAC address");
+ return -99;
+ }
+
+ /* Construct the API message */
+ M (SW_INTERFACE_ADD_DEL_MAC_ADDRESS, mp);
+ mp->sw_if_index = ntohl (sw_if_index);
+ mp->is_add = is_add;
+ clib_memcpy (&mp->addr, &mac, sizeof (mac));
+
+ S (mp);
+ W (ret);
+ return ret;
+}
+