+static int
+api_tcp_configure_src_addresses (vat_main_t * vam)
+{
+ vl_api_tcp_configure_src_addresses_t *mp;
+ unformat_input_t *i = vam->input;
+ ip4_address_t v4first, v4last;
+ ip6_address_t v6first, v6last;
+ u8 range_set = 0;
+ u32 vrf_id = 0;
+ int ret;
+
+ while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (i, "%U - %U",
+ unformat_ip4_address, &v4first,
+ unformat_ip4_address, &v4last))
+ {
+ if (range_set)
+ {
+ errmsg ("one range per message (range already set)");
+ return -99;
+ }
+ range_set = 1;
+ }
+ else if (unformat (i, "%U - %U",
+ unformat_ip6_address, &v6first,
+ unformat_ip6_address, &v6last))
+ {
+ if (range_set)
+ {
+ errmsg ("one range per message (range already set)");
+ return -99;
+ }
+ range_set = 2;
+ }
+ else if (unformat (i, "vrf %d", &vrf_id))
+ ;
+ else
+ break;
+ }
+
+ if (range_set == 0)
+ {
+ errmsg ("address range not set");
+ return -99;
+ }
+
+ M (TCP_CONFIGURE_SRC_ADDRESSES, mp);
+ mp->vrf_id = ntohl (vrf_id);
+ /* ipv6? */
+ if (range_set == 2)
+ {
+ mp->is_ipv6 = 1;
+ clib_memcpy (mp->first_address, &v6first, sizeof (v6first));
+ clib_memcpy (mp->last_address, &v6last, sizeof (v6last));
+ }
+ else
+ {
+ mp->is_ipv6 = 0;
+ clib_memcpy (mp->first_address, &v4first, sizeof (v4first));
+ clib_memcpy (mp->last_address, &v4last, sizeof (v4last));
+ }
+ S (mp);
+ W (ret);
+ return ret;
+}
+