+static int
+api_tap_create_v2 (vat_main_t * vam)
+{
+ unformat_input_t *i = vam->input;
+ vl_api_tap_create_v2_t *mp;
+ u8 mac_address[6];
+ u8 random_mac = 1;
+ u8 name_set = 0;
+ u8 *tap_name;
+ u8 *net_ns = 0;
+ u8 net_ns_set = 0;
+ int ret;
+ int rx_ring_sz = 0, tx_ring_sz = 0;
+
+ memset (mac_address, 0, sizeof (mac_address));
+
+ /* Parse args required to build the message */
+ while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (i, "hw-addr %U", unformat_ethernet_address, mac_address))
+ {
+ random_mac = 0;
+ }
+ else if (unformat (i, "name %s", &tap_name))
+ name_set = 1;
+ else if (unformat (i, "host-ns %s", &net_ns))
+ net_ns_set = 1;
+ else if (unformat (i, "rx-ring-size %d", &rx_ring_sz))
+ ;
+ else if (unformat (i, "tx-ring-size %d", &tx_ring_sz))
+ ;
+ else
+ break;
+ }
+
+ if (name_set == 0)
+ {
+ errmsg ("missing tap name. ");
+ return -99;
+ }
+ if (vec_len (tap_name) > 63)
+ {
+ errmsg ("tap name too long. ");
+ return -99;
+ }
+ if (vec_len (net_ns) > 63)
+ {
+ errmsg ("host name space too long. ");
+ return -99;
+ }
+ if (!is_pow2 (rx_ring_sz))
+ {
+ errmsg ("rx ring size must be power of 2. ");
+ return -99;
+ }
+ if (rx_ring_sz > 32768)
+ {
+ errmsg ("rx ring size must be 32768 or lower. ");
+ return -99;
+ }
+ if (!is_pow2 (tx_ring_sz))
+ {
+ errmsg ("tx ring size must be power of 2. ");
+ return -99;
+ }
+ if (tx_ring_sz > 32768)
+ {
+ errmsg ("tx ring size must be 32768 or lower. ");
+ return -99;
+ }
+
+ vec_add1 (tap_name, 0);
+
+ /* Construct the API message */
+ M (TAP_CREATE_V2, mp);
+
+ mp->use_random_mac = random_mac;
+ clib_memcpy (mp->mac_address, mac_address, 6);
+ clib_memcpy (mp->tap_name, tap_name, vec_len (tap_name));
+ mp->net_ns_set = net_ns_set;
+ mp->rx_ring_sz = rx_ring_sz;
+ mp->tx_ring_sz = tx_ring_sz;
+ if (net_ns)
+ clib_memcpy (mp->net_ns, net_ns, vec_len (net_ns));
+
+ vec_free (tap_name);
+
+ /* send it... */
+ S (mp);
+
+ /* Wait for a reply... */
+ W (ret);
+ return ret;
+}
+
+static int
+api_tap_delete_v2 (vat_main_t * vam)
+{
+ unformat_input_t *i = vam->input;
+ vl_api_tap_delete_v2_t *mp;
+ u32 sw_if_index = ~0;
+ u8 sw_if_index_set = 0;
+ int ret;
+
+ /* Parse args required to build the message */
+ while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (i, "%U", api_unformat_sw_if_index, vam, &sw_if_index))
+ sw_if_index_set = 1;
+ else if (unformat (i, "sw_if_index %d", &sw_if_index))
+ sw_if_index_set = 1;
+ else
+ break;
+ }
+
+ if (sw_if_index_set == 0)
+ {
+ errmsg ("missing vpp interface name. ");
+ return -99;
+ }
+
+ /* Construct the API message */
+ M (TAP_DELETE_V2, mp);
+
+ mp->sw_if_index = ntohl (sw_if_index);
+
+ /* send it... */
+ S (mp);
+
+ /* Wait for a reply... */
+ W (ret);
+ return ret;
+}
+