+static int
+api_sw_interface_set_tx_placement (vat_main_t *vam)
+{
+ unformat_input_t *i = vam->input;
+ vl_api_sw_interface_set_tx_placement_t *mp;
+ u32 sw_if_index;
+ u8 sw_if_index_set = 0;
+ int ret;
+ uword *bitmap = 0;
+ u32 queue_id, n_bits = 0;
+ u32 v;
+
+ /* Parse args required to build the message */
+ while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (i, "queue %d", &queue_id))
+ ;
+ else if (unformat (i, "threads %U", unformat_bitmap_list, &bitmap))
+ ;
+ else if (unformat (i, "mask %U", unformat_bitmap_mask, &bitmap))
+ ;
+ else 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 interface name or sw_if_index");
+ return -99;
+ }
+
+ n_bits = clib_bitmap_count_set_bits (bitmap);
+ /* Construct the API message */
+ M2 (SW_INTERFACE_SET_TX_PLACEMENT, mp, sizeof (u32) * n_bits);
+ mp->sw_if_index = htonl (sw_if_index);
+ mp->queue_id = htonl (queue_id);
+ mp->array_size = htonl (n_bits);
+
+ v = clib_bitmap_first_set (bitmap);
+ for (u32 j = 0; j < n_bits; j++)
+ {
+ mp->threads[j] = htonl (v);
+ v = clib_bitmap_next_set (bitmap, v + 1);
+ }
+
+ /* send it... */
+ S (mp);
+ /* Wait for a reply, return the good/bad news... */
+ W (ret);
+ clib_bitmap_free (bitmap);
+ return ret;
+}
+