/* * Copyright (c) 2016 Cisco and/or its affiliates. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at: * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include <vat/vat.h> #include <vlibapi/api.h> #include <vlibmemory/api.h> #include <vlibsocket/api.h> #include <vppinfra/error.h> #include <lb/lb.h> #define __plugin_msg_base lb_test_main.msg_id_base #include <vlibapi/vat_helper_macros.h> //TODO: Move that to vat/plugin_api.c ////////////////////////// uword unformat_ip46_address (unformat_input_t * input, va_list * args) { ip46_address_t *ip46 = va_arg (*args, ip46_address_t *); ip46_type_t type = va_arg (*args, ip46_type_t); if ((type != IP46_TYPE_IP6) && unformat(input, "%U", unformat_ip4_address, &ip46->ip4)) { ip46_address_mask_ip4(ip46); return 1; } else if ((type != IP46_TYPE_IP4) && unformat(input, "%U", unformat_ip6_address, &ip46->ip6)) { return 1; } return 0; } uword unformat_ip46_prefix (unformat_input_t * input, va_list * args) { ip46_address_t *ip46 = va_arg (*args, ip46_address_t *); u8 *len = va_arg (*args, u8 *); ip46_type_t type = va_arg (*args, ip46_type_t); u32 l; if ((type != IP46_TYPE_IP6) && unformat(input, "%U/%u", unformat_ip4_address, &ip46->ip4, &l)) { if (l > 32) return 0; *len = l + 96; ip46->pad[0] = ip46->pad[1] = ip46->pad[2] = 0; } else if ((type != IP46_TYPE_IP4) && unformat(input, "%U/%u", unformat_ip6_address, &ip46->ip6, &l)) { if (l > 128) return 0; *len = l; } else { return 0; } return 1; } ///////////////////////// #define vl_msg_id(n,h) n, typedef enum { #include <lb/lb.api.h> /* We'll want to know how many messages IDs we need... */ VL_MSG_FIRST_AVAILABLE, } vl_msg_id_t; #undef vl_msg_id /* define message structures */ #define vl_typedefs #include <lb/lb.api.h> #undef vl_typedefs /* declare message handlers for each api */ #define vl_endianfun /* define message structures */ #include <lb/lb.api.h> #undef vl_endianfun /* instantiate all the print functions we know about */ #define vl_print(handle, ...) #define vl_printfun #include <lb/lb.api.h> #undef vl_printfun /* Get the API version number. */ #define vl_api_version(n,v) static u32 api_version=(v); #include <lb/lb.api.h> #undef vl_api_version typedef struct { /* API message ID base */ u16 msg_id_base; vat_main_t *vat_main; } lb_test_main_t; lb_test_main_t lb_test_main; #define foreach_standard_reply_retval_handler \ _(lb_conf_reply) \ _(lb_add_del_vip_reply) \ _(lb_add_del_as_reply) #define _(n) \ static void vl_api_##n##_t_handler \ (vl_api_##n##_t * mp) \ { \ vat_main_t * vam = lb_test_main.vat_main; \ i32 retval = ntohl(mp->retval); \ if (vam->async_mode) { \ vam->async_errors += (retval < 0); \ } else { \ vam->retval = retval; \ vam->result_ready = 1; \ } \ } foreach_standard_reply_retval_handler; #undef _ /* * Table of message reply handlers, must include boilerplate handlers * we just generated */ #define foreach_vpe_api_reply_msg \ _(LB_CONF_REPLY, lb_conf_reply) \ _(LB_ADD_DEL_VIP_REPLY, lb_add_del_vip_reply) \ _(LB_ADD_DEL_AS_REPLY, lb_add_del_as_reply) static int api_lb_conf (vat_main_t * vam) { unformat_input_t *i = vam->input; vl_api_lb_conf_t mps, *mp; int ret; if (!unformat(i, "%U %U %u %u", unformat_ip4_address, &mps.ip4_src_address, unformat_ip6_address, mps.ip6_src_address, &mps.sticky_buckets_per_core, &mps.flow_timeout)) { errmsg ("invalid arguments\n"); return -99; } M(LB_CONF, mp); S(mp); W (ret); return ret; } static int api_lb_add_del_vip (vat_main_t * vam) { unformat_input_t * i = vam->input; vl_api_lb_add_del_vip_t mps, *mp; int ret; mps.is_del = 0; mps.is_gre4 = 0; if (!unformat(i, "%U", unformat_ip46_prefix, mps.ip_prefix, &mps.prefix_length, IP46_TYPE_ANY)) { errmsg ("invalid prefix\n"); return -99; } if (unformat(i, "gre4")) { mps.is_gre4 = 1; } else if (unformat(i, "gre6")) { mps.is_gre4 = 0; } else { errmsg ("no encap\n"); return -99; } if (!unformat(i, "%d", &mps.new_flows_table_length)) { errmsg ("no table lentgh\n"); return -99; } if (unformat(i, "del")) { mps.is_del = 1; } M(LB_ADD_DEL_VIP, mp); S(mp); W (ret); return ret; } static int api_lb_add_del_as (vat_main_t * vam) { unformat_input_t * i = vam->input; vl_api_lb_add_del_as_t mps, *mp; int ret; mps.is_del = 0; if (!unformat(i, "%U %U", unformat_ip46_prefix, mps.vip_ip_prefix, &mps.vip_prefix_length, IP46_TYPE_ANY, unformat_ip46_address, mps.as_address)) { errmsg ("invalid prefix or address\n"); return -99; } if (unformat(i, "del")) { mps.is_del = 1; } M(LB_ADD_DEL_AS, mp); S(mp); W (ret); return ret; } /* * List of messages that the api test plugin sends, * and that the data plane plugin processes */ #define foreach_vpe_api_msg \ _(lb_conf, "<ip4-src-addr> <ip6-src-address> <sticky_buckets_per_core> <flow_timeout>") \ _(lb_add_del_vip, "<ip-prefix> [gre4|gre6] <new_table_len> [del]") \ _(lb_add_del_as, "<vip-ip-prefix> <address> [del]") static void lb_vat_api_hookup (vat_main_t *vam) { lb_test_main_t * lbtm = &lb_test_main; /* Hook up handlers for replies from the data plane plug-in */ #define _(N,n) \ vl_msg_api_set_handlers((VL_API_##N + lbtm->msg_id_base), \ #n, \ vl_api_##n##_t_handler, \ vl_noop_handler, \ vl_api_##n##_t_endian, \ vl_api_##n##_t_print, \ sizeof(vl_api_##n##_t), 1); foreach_vpe_api_reply_msg; #undef _ /* API messages we can send */ #define _(n,h) hash_set_mem (vam->function_by_name, #n, api_##n); foreach_vpe_api_msg; #undef _ /* Help strings */ #define _(n,h) hash_set_mem (vam->help_by_name, #n, h); foreach_vpe_api_msg; #undef _ } clib_error_t * vat_plugin_register (vat_main_t *vam) { lb_test_main_t * lbtm = &lb_test_main; u8 * name; lbtm->vat_main = vam; /* Ask the vpp engine for the first assigned message-id */ name = format (0, "lb_%08x%c", api_version, 0); lbtm->msg_id_base = vl_client_get_first_plugin_msg_id ((char *) name); if (lbtm->msg_id_base != (u16) ~0) lb_vat_api_hookup (vam); vec_free(name); return 0; }