/* * nat.c - skeleton vpp-api-test plug-in * * Copyright (c) <current-year> <your-organization> * 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 <vppinfra/error.h> #include <vnet/ip/ip.h> #include <nat/nat.h> #define __plugin_msg_base snat_test_main.msg_id_base #include <vlibapi/vat_helper_macros.h> uword unformat_sw_if_index (unformat_input_t * input, va_list * args); /* Declare message IDs */ #include <nat/nat_msg_enum.h> /* define message structures */ #define vl_typedefs #include <nat/nat_all_api_h.h> #undef vl_typedefs /* declare message handlers for each api */ #define vl_endianfun /* define message structures */ #include <nat/nat_all_api_h.h> #undef vl_endianfun /* instantiate all the print functions we know about */ #define vl_print(handle, ...) #define vl_printfun #include <nat/nat_all_api_h.h> #undef vl_printfun /* Get the API version number. */ #define vl_api_version(n,v) static u32 api_version=(v); #include <nat/nat_all_api_h.h> #undef vl_api_version typedef struct { /* API message ID base */ u16 msg_id_base; vat_main_t *vat_main; } snat_test_main_t; snat_test_main_t snat_test_main; #define foreach_standard_reply_retval_handler \ _(nat44_add_del_address_range_reply) \ _(nat44_interface_add_del_feature_reply) \ _(nat44_add_del_static_mapping_reply) \ _(nat_set_workers_reply) \ _(nat44_add_del_interface_addr_reply) \ _(nat_ipfix_enable_disable_reply) \ _(nat_det_add_del_map_reply) \ _(nat_set_timeouts_reply) \ _(nat_det_close_session_out_reply) \ _(nat_det_close_session_in_reply) #define _(n) \ static void vl_api_##n##_t_handler \ (vl_api_##n##_t * mp) \ { \ vat_main_t * vam = snat_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 \ _(NAT44_ADD_DEL_ADDRESS_RANGE_REPLY, \ nat44_add_del_address_range_reply) \ _(NAT44_INTERFACE_ADD_DEL_FEATURE_REPLY, \ nat44_interface_add_del_feature_reply) \ _(NAT44_ADD_DEL_STATIC_MAPPING_REPLY, \ nat44_add_del_static_mapping_reply) \ _(NAT_CONTROL_PING_REPLY, nat_control_ping_reply) \ _(NAT44_STATIC_MAPPING_DETAILS, nat44_static_mapping_details) \ _(NAT_SHOW_CONFIG_REPLY, nat_show_config_reply) \ _(NAT44_ADDRESS_DETAILS, nat44_address_details) \ _(NAT44_INTERFACE_DETAILS, nat44_interface_details) \ _(NAT_SET_WORKERS_REPLY, nat_set_workers_reply) \ _(NAT_WORKER_DETAILS, nat_worker_details) \ _(NAT44_ADD_DEL_INTERFACE_ADDR_REPLY, \ nat44_add_del_interface_addr_reply) \ _(NAT44_INTERFACE_ADDR_DETAILS, nat44_interface_addr_details) \ _(NAT_IPFIX_ENABLE_DISABLE_REPLY, \ nat_ipfix_enable_disable_reply) \ _(NAT44_USER_DETAILS, nat44_user_details) \ _(NAT44_USER_SESSION_DETAILS, nat44_user_session_details) \ _(NAT_DET_ADD_DEL_MAP_REPLY, nat_det_add_del_map_reply) \ _(NAT_DET_FORWARD_REPLY, nat_det_forward_reply) \ _(NAT_DET_REVERSE_REPLY, nat_det_reverse_reply) \ _(NAT_DET_MAP_DETAILS, nat_det_map_details) \ _(NAT_SET_TIMEOUTS_REPLY, nat_set_timeouts_reply) \ _(NAT_GET_TIMEOUTS_REPLY, nat_get_timeouts_reply) \ _(NAT_DET_CLOSE_SESSION_OUT_REPLY, \ nat_det_close_session_out_reply) \ _(NAT_DET_CLOSE_SESSION_IN_REPLY, \ nat_det_close_session_in_reply) \ _(NAT_DET_SESSION_DETAILS, nat_det_session_details) static int api_nat44_add_del_address_range (vat_main_t * vam) { unformat_input_t * i = vam->input; ip4_address_t start_addr, end_addr; u32 start_host_order, end_host_order; vl_api_nat44_add_del_address_range_t * mp; u8 is_add = 1; int count; int ret; while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT) { if (unformat (i, "%U - %U", unformat_ip4_address, &start_addr, unformat_ip4_address, &end_addr)) ; else if (unformat (i, "%U", unformat_ip4_address, &start_addr)) end_addr = start_addr; else if (unformat (i, "del")) is_add = 0; else { clib_warning("unknown input '%U'", format_unformat_error, i); return -99; } } start_host_order = clib_host_to_net_u32 (start_addr.as_u32); end_host_order = clib_host_to_net_u32 (end_addr.as_u32); if (end_host_order < start_host_order) { errmsg ("end address less than start address\n"); return -99; } count = (end_host_order - start_host_order) + 1; if (count > 1024) { errmsg ("%U - %U, %d addresses...\n", format_ip4_address, &start_addr, format_ip4_address, &end_addr, count); } M(NAT44_ADD_DEL_ADDRESS_RANGE, mp); memcpy (mp->first_ip_address, &start_addr, 4); memcpy (mp->last_ip_address, &end_addr, 4); mp->is_add = is_add; S(mp); W (ret); return ret; } static int api_nat44_interface_add_del_feature (vat_main_t * vam) { unformat_input_t * i = vam->input; vl_api_nat44_interface_add_del_feature_t * mp; u32 sw_if_index; u8 sw_if_index_set = 0; u8 is_inside = 1; u8 is_add = 1; int ret; while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT) { if (unformat (i, "%U", 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 if (unformat (i, "out")) is_inside = 0; else if (unformat (i, "in")) is_inside = 1; else if (unformat (i, "del")) is_add = 0; else { clib_warning("unknown input '%U'", format_unformat_error, i); return -99; } } if (sw_if_index_set == 0) { errmsg ("interface / sw_if_index required\n"); return -99; } M(NAT44_INTERFACE_ADD_DEL_FEATURE, mp); mp->sw_if_index = ntohl(sw_if_index); mp->is_add = is_add; mp->is_inside = is_inside; S(mp); W (ret); return ret; } static int api_nat44_add_del_static_mapping(vat_main_t * vam) { unformat_input_t * i = vam->input; vl_api_nat44_add_del_static_mapping_t * mp; u8 external_addr_set = 0; u8 local_addr_set = 0; u8 is_add = 1; u8 addr_only = 1; ip4_address_t local_addr, external_addr; u32 local_port = 0, external_port = 0, vrf_id = ~0; u32 sw_if_index = ~0; u8 sw_if_index_set = 0; u32 proto = ~0; u8 proto_set = 0; int ret; while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT) { if (unformat (i, "local_addr %U", unformat_ip4_address, &local_addr)) local_addr_set = 1; else if (unformat (i, "external_addr %U", unformat_ip4_address, &external_addr)) external_addr_set = 1; else if (unformat (i, "local_port %u", &local_port)) addr_only = 0; else if (unformat (i, "external_port %u", &external_port)) addr_only = 0; else if (unformat (i, "external_if %U", unformat_sw_if_index, vam, &sw_if_index)) sw_if_index_set = 1; else if (unformat (i, "external_sw_if_index %d", &sw_if_index)) sw_if_index_set = 1; else if (unformat (i, "vrf %u", &vrf_id)) ; else if (unformat (i, "protocol %u", &proto)) proto_set = 1; else if (unformat (i, "del")) is_add = 0; else { clib_warning("unknown input '%U'", format_unformat_error, i); return -99; } } if (!addr_only && !proto_set) { errmsg ("protocol required\n"); return -99; } if (!local_addr_set) { errmsg ("local addr required\n"); return -99; } if (!external_addr_set && !sw_if_index_set) { errmsg ("external addr or interface required\n"); return -99; } M(NAT44_ADD_DEL_STATIC_MAPPING, mp); mp->is_add = is_add; mp->addr_only = addr_only; mp->local_port = ntohs ((u16) local_port); mp->external_port = ntohs ((u16) external_port); mp->external_sw_if_index = ntohl (sw_if_index); mp->vrf_id = ntohl (vrf_id); mp->protocol = (u8) proto; memcpy (mp->local_ip_address, &local_addr, 4); memcpy (mp->external_ip_address, &external_addr, 4); S(mp); W (ret); return ret; } static void vl_api_nat_control_ping_reply_t_handler (vl_api_nat_control_ping_reply_t * mp) { vat_main_t *vam = &vat_main; i32 retval = ntohl (mp->retval); if (vam->async_mode) { vam->async_errors += (retval < 0); } else { vam->retval = retval; vam->result_ready = 1; } } static void vl_api_nat44_static_mapping_details_t_handler (vl_api_nat44_static_mapping_details_t *mp) { snat_test_main_t * sm = &snat_test_main; vat_main_t *vam = sm->vat_main; if (mp->addr_only && mp->external_sw_if_index != ~0) fformat (vam->ofp, "%15U%6s%15d%6s%11d%6d\n", format_ip4_address, &mp->local_ip_address, "", ntohl (mp->external_sw_if_index), "", ntohl (mp->vrf_id), mp->protocol); else if (mp->addr_only && mp->external_sw_if_index == ~0) fformat (vam->ofp, "%15U%6s%15U%6s%11d%6d\n", format_ip4_address, &mp->local_ip_address, "", format_ip4_address, &mp->external_ip_address, "", ntohl (mp->vrf_id), mp->protocol); else if (!mp->addr_only && mp->external_sw_if_index != ~0) fformat (vam->ofp, "%15U%6d%15d%6d%11d%6d\n", format_ip4_address, &mp->local_ip_address, ntohs (mp->local_port), ntohl (mp->external_sw_if_index), ntohs (mp->external_port), ntohl (mp->vrf_id), mp->protocol); else fformat (vam->ofp, "%15U%6d%15U%6d%11d%6d\n", format_ip4_address, &mp->local_ip_address, ntohs (mp->local_port), format_ip4_address, &mp->external_ip_address, ntohs (mp->external_port), ntohl (mp->vrf_id), mp->protocol); } static int api_nat44_static_mapping_dump(vat_main_t * vam) { vl_api_nat44_static_mapping_dump_t * mp; vl_api_nat_control_ping_t *mp_ping; int ret; if (vam->json_output) { clib_warning ("JSON output not supported for nat44_static_mapping_dump"); return -99; } fformat (vam->ofp, "%21s%21s\n", "local", "external"); fformat (vam->ofp, "%15s%6s%15s%6s%11s%6s\n", "address", "port", "address/if_idx", "port", "vrf", "proto"); M(NAT44_STATIC_MAPPING_DUMP, mp); S(mp); /* Use a control ping for synchronization */ M(NAT_CONTROL_PING, mp_ping); S(mp_ping); W (ret); return ret; } static void vl_api_nat_show_config_reply_t_handler (vl_api_nat_show_config_reply_t *mp) { snat_test_main_t * sm = &snat_test_main; vat_main_t *vam = sm->vat_main; i32 retval = ntohl (mp->retval); if (retval >= 0) { fformat (vam->ofp, "translation hash buckets %d\n", ntohl (mp->translation_buckets)); fformat (vam->ofp, "translation hash memory %d\n", ntohl (mp->translation_memory_size)); fformat (vam->ofp, "user hash buckets %d\n", ntohl (mp->user_buckets)); fformat (vam->ofp, "user hash memory %d\n", ntohl (mp->user_memory_size)); fformat (vam->ofp, "max translations per user %d\n", ntohl (mp->max_translations_per_user)); fformat (vam->ofp, "outside VRF id %d\n", ntohl (mp->outside_vrf_id)); fformat (vam->ofp, "inside VRF id %d\n", ntohl (mp->inside_vrf_id)); if (mp->static_mapping_only) { fformat (vam->ofp, "static mapping only"); if (mp->static_mapping_connection_tracking) fformat (vam->ofp, " connection tracking"); fformat (vam->ofp, "\n"); } } vam->retval = retval; vam->result_ready = 1; } static int api_nat_show_config(vat_main_t * vam) { vl_api_nat_show_config_t * mp; int ret; if (vam->json_output) { clib_warning ("JSON output not supported for nat_show_config"); return -99; } M(NAT_SHOW_CONFIG, mp); S(mp); W (ret); return ret; } static void vl_api_nat44_address_details_t_handler (vl_api_nat44_address_details_t *mp) { snat_test_main_t * sm = &snat_test_main; vat_main_t *vam = sm->vat_main; fformat (vam->ofp, "%U\n", format_ip4_address, &mp->ip_address); } static int api_nat44_address_dump(vat_main_t * vam) { vl_api_nat44_address_dump_t * mp; vl_api_nat_control_ping_t *mp_ping; int ret; if (vam->json_output) { clib_warning ("JSON output not supported for nat44_address_dump"); return -99; } M(NAT44_ADDRESS_DUMP, mp); S(mp); /* Use a control ping for synchronization */ M(NAT_CONTROL_PING, mp_ping); S(mp_ping); W (ret); return ret; } static void vl_api_nat44_interface_details_t_handler (vl_api_nat44_interface_details_t *mp) { snat_test_main_t * sm = &snat_test_main; vat_main_t *vam = sm->vat_main; fformat (vam->ofp, "sw_if_index %d %s\n", ntohl (mp->sw_if_index), mp->is_inside ? "in" : "out"); } static int api_nat44_interface_dump(vat_main_t * vam) { vl_api_nat44_interface_dump_t * mp; vl_api_nat_control_ping_t *mp_ping; int ret; if (vam->json_output) { clib_warning ("JSON output not supported for nat44_address_dump"); return -99; } M(NAT44_INTERFACE_DUMP, mp); S(mp); /* Use a control ping for synchronization */ M(NAT_CONTROL_PING, mp_ping); S(mp_ping); W (ret); return ret; } static int api_nat_set_workers (vat_main_t * vam) { unformat_input_t * i = vam->input; vl_api_nat_set_workers_t * mp; uword *bitmap; int ret; while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT) { if (unformat (i, "%U", unformat_bitmap_list, &bitmap)) ; else { clib_warning("unknown input '%U'", format_unformat_error, i); return -99; } } M(NAT_SET_WORKERS, mp); mp->worker_mask = clib_host_to_net_u64 (bitmap[0]); S(mp); W (ret); return ret; } static void vl_api_nat_worker_details_t_handler (vl_api_nat_worker_details_t *mp) { snat_test_main_t * sm = &snat_test_main; vat_main_t *vam = sm->vat_main; fformat (vam->ofp, "worker_index %d (%s at lcore %u)\n", ntohl (mp->worker_index), mp->name, ntohl (mp->lcore_id)); } static int api_nat_worker_dump(vat_main_t * vam) { vl_api_nat_worker_dump_t * mp; vl_api_nat_control_ping_t *mp_ping; int ret; if (vam->json_output) { clib_warning ("JSON output not supported for nat_address_dump"); return -99; } M(NAT_WORKER_DUMP, mp); S(mp); /* Use a control ping for synchronization */ M(NAT_CONTROL_PING, mp_ping); S(mp_ping); W (ret); return ret; } static int api_nat44_add_del_interface_addr (vat_main_t * vam) { unformat_input_t * i = vam->input; vl_api_nat44_add_del_interface_addr_t * mp; u32 sw_if_index; u8 sw_if_index_set = 0; u8 is_add = 1; int ret; while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT) { if (unformat (i, "%U", 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 if (unformat (i, "del")) is_add = 0; else { clib_warning("unknown input '%U'", format_unformat_error, i); return -99; } } if (sw_if_index_set == 0) { errmsg ("interface / sw_if_index required\n"); return -99; } M(NAT44_ADD_DEL_INTERFACE_ADDR, mp); mp->sw_if_index = ntohl(sw_if_index); mp->is_add = is_add; S(mp); W (ret); return ret; } static void vl_api_nat44_interface_addr_details_t_handler (vl_api_nat44_interface_addr_details_t *mp) { snat_test_main_t * sm = &snat_test_main; vat_main_t *vam = sm->vat_main; fformat (vam->ofp, "sw_if_index %d\n", ntohl (mp->sw_if_index)); } static int api_nat44_interface_addr_dump(vat_main_t * vam) { vl_api_nat44_interface_addr_dump_t * mp; vl_api_nat_control_ping_t *mp_ping; int ret; if (vam->json_output) { clib_warning ("JSON output not supported for nat44_address_dump"); return -99; } M(NAT44_INTERFACE_ADDR_DUMP, mp); S(mp); /* Use a control ping for synchronization */ M(NAT_CONTROL_PING, mp_ping); S(mp_ping); W (ret); return ret; } static int api_nat_ipfix_enable_disable (vat_main_t * vam) { unformat_input_t * i = vam->input; vl_api_nat_ipfix_enable_disable_t * mp; u32 domain_id = 0; u32 src_port = 0; u8 enable = 1; int ret; while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT) { if (unformat (i, "domain %d", &domain_id)) ; else if (unformat (i, "src_port %d", &src_port)) ; else if (unformat (i, "disable")) enable = 0; else { clib_warning("unknown input '%U'", format_unformat_error, i); return -99; } } M(NAT_IPFIX_ENABLE_DISABLE, mp); mp->domain_id = htonl(domain_id); mp->src_port = htons((u16) src_port); mp->enable = enable; S(mp); W (ret); return ret; } static void vl_api_nat44_user_session_details_t_handler (vl_api_nat44_user_session_details_t *mp) { snat_test_main_t * sm = &snat_test_main; vat_main_t *vam = sm->vat_main; fformat(vam->ofp, "%s session %U:%d to %U:%d protocol id %d " "total packets %d total bytes %lld\n", mp->is_static ? "static" : "dynamic", format_ip4_address, mp->inside_ip_address, ntohs(mp->inside_port), format_ip4_address, mp->outside_ip_address, ntohs(mp->outside_port), ntohs(mp->protocol), ntohl(mp->total_pkts), clib_net_to_host_u64(mp->total_bytes)); } static int api_nat44_user_session_dump(vat_main_t * vam) { unformat_input_t* i = vam->input; vl_api_nat44_user_session_dump_t * mp; vl_api_nat_control_ping_t *mp_ping; ip4_address_t addr; u32 vrf_id = ~0; int ret; if (vam->json_output) { clib_warning ("JSON output not supported for nat44_address_dump"); return -99; } if (unformat (i, "ip_address %U vrf_id %d", unformat_ip4_address, &addr, &vrf_id)) ; else { clib_warning("unknown input '%U'", format_unformat_error, i); return -99; } M(NAT44_USER_SESSION_DUMP, mp); S(mp); /* Use a control ping for synchronization */ M(NAT_CONTROL_PING, mp_ping); clib_memset(mp->ip_address, 0, 16); clib_memcpy(mp->ip_address, &addr, 4); mp->vrf_id = htonl(vrf_id); S(mp_ping); W (ret); return ret; } static void vl_api_nat44_user_details_t_handler (vl_api_nat44_user_details_t *mp) { snat_test_main_t * sm = &snat_test_main; vat_main_t *vam = sm->vat_main; fformat(vam->ofp, "user with ip %U with vrf_id %d " "with %d sessions and %d static sessions\n", format_ip4_address, mp->ip_address, ntohl(mp->vrf_id), ntohl(mp->nsessions), ntohl(mp->nstaticsessions)); } static int api_nat44_user_dump(vat_main_t * vam) { vl_api_nat44_user_dump_t * mp; vl_api_nat_control_ping_t *mp_ping; int ret; if (vam->json_output) { clib_warning ("JSON output not supported for nat44_address_dump"); return -99; } M(NAT44_USER_DUMP, mp); S(mp); /* Use a control ping for synchronization */ M(NAT_CONTROL_PING, mp_ping); S(mp_ping); W (ret); return ret; } static int api_nat_det_add_del_map (vat_main_t * vam) { unformat_input_t * i = vam->input; vl_api_nat_det_add_del_map_t * mp; ip4_address_t in_addr, out_addr; u32 in_plen, out_plen; u8 is_add = 1; int ret; if (unformat (i, "in %U/%d out %U/%d", unformat_ip4_address, &in_addr, &in_plen, unformat_ip4_address, &out_addr, &out_plen)) ; else if (unformat (i, "del")) is_add = 0; else { clib_warning("unknown input '%U'", format_unformat_error, i); return -99; } M(NAT_DET_ADD_DEL_MAP, mp); clib_memcpy(mp->in_addr, &in_addr, 4); mp->in_plen = in_plen; clib_memcpy(mp->out_addr, &out_addr, 4); mp->out_plen = out_plen; mp->is_add = is_add; S(mp); W (ret); return ret; } static void vl_api_nat_det_forward_reply_t_handler (vl_api_nat_det_forward_reply_t *mp) { snat_test_main_t * sm = &snat_test_main; vat_main_t *vam = sm->vat_main; i32 retval = ntohl(mp->retval); if (retval >= 0) { fformat (vam->ofp, "outside address %U", format_ip4_address, &mp->out_addr); fformat (vam->ofp, " outside port range start %d", ntohs(mp->out_port_lo)); fformat (vam->ofp, " outside port range end %d\n", ntohs(mp->out_port_hi)); } vam->retval = retval; vam->result_ready = 1; } static int api_nat_det_forward (vat_main_t * vam) { unformat_input_t * i = vam->input; vl_api_nat_det_forward_t * mp; ip4_address_t in_addr; int ret; if (unformat (i, "%U", unformat_ip4_address, &in_addr)) ; else { clib_warning("unknown input '%U'", format_unformat_error, i); return -99; } M(NAT_DET_FORWARD, mp); clib_memcpy(mp->in_addr, &in_addr, 4); S(mp); W(ret); return ret; } static void vl_api_nat_det_reverse_reply_t_handler (vl_api_nat_det_reverse_reply_t *mp) { snat_test_main_t * sm = &snat_test_main; vat_main_t *vam = sm->vat_main; i32 retval = ntohl(mp->retval); if (retval >= 0) { fformat (vam->ofp, "inside address %U\n", format_ip4_address, &mp->in_addr); } vam->retval = retval; vam->result_ready = 1; } static int api_nat_det_reverse (vat_main_t * vam) { unformat_input_t * i = vam->input; vl_api_nat_det_reverse_t * mp; ip4_address_t out_addr; u32 out_port; int ret; if (unformat (i, "%U %d", unformat_ip4_address, &out_addr, &out_port)) ; else { clib_warning("unknown input '%U'", format_unformat_error, i); return -99; } M(NAT_DET_REVERSE, mp); clib_memcpy(mp->out_addr, &out_addr, 4); mp->out_port = htons((u16)out_port); S(mp); W(ret); return ret; } static void vl_api_nat_det_map_details_t_handler (vl_api_nat_det_map_details_t *mp) { snat_test_main_t * sm = &snat_test_main; vat_main_t *vam = sm->vat_main; fformat (vam->ofp, "Deterministic S-NAT mapping in %U/%d out %U/%d " "ports per host %d sharing ratio %d " "number of sessions %d", format_ip4_address, mp->in_addr, mp->in_plen, format_ip4_address, mp->out_addr, mp->out_plen, ntohs(mp->ports_per_host), ntohl(mp->sharing_ratio), ntohl(mp->ses_num)); } static int api_nat_det_map_dump(vat_main_t * vam) { vl_api_nat_det_map_dump_t * mp; vl_api_nat_control_ping_t *mp_ping; int ret; if (vam->json_output) { clib_warning ("JSON output not supported for nat_det_map_dump"); return -99; } M(NAT_DET_MAP_DUMP, mp); S(mp); /* Use a control ping for synchronization */ M(NAT_CONTROL_PING, mp_ping); S(mp_ping); W (ret); return ret; } static int api_nat_set_timeouts (vat_main_t * vam) { unformat_input_t * i = vam->input; vl_api_nat_set_timeouts_t * mp; u32 udp = SNAT_UDP_TIMEOUT; u32 tcp_established = SNAT_TCP_ESTABLISHED_TIMEOUT; u32 tcp_transitory = SNAT_TCP_TRANSITORY_TIMEOUT; u32 icmp = SNAT_ICMP_TIMEOUT; int ret; if (unformat (i, "udp %d", &udp)) ; else if (unformat (i, "tcp_established %d", &tcp_established)) ; else if (unformat (i, "tcp_transitory %d", &tcp_transitory)) ; else if (unformat (i, "icmp %d", &icmp)) ; else { clib_warning("unknown input '%U'", format_unformat_error, i); return -99; } M(NAT_SET_TIMEOUTS, mp); mp->udp = htonl(udp); mp->tcp_established = htonl(tcp_established); mp->tcp_transitory = htonl(tcp_transitory); mp->icmp = htonl(icmp); S(mp); W (ret); return ret; } static void vl_api_nat_get_timeouts_reply_t_handler (vl_api_nat_get_timeouts_reply_t *mp) { snat_test_main_t * sm = &snat_test_main; vat_main_t *vam = sm->vat_main; i32 retval = ntohl (mp->retval); if (retval >= 0) { fformat (vam->ofp, "udp timeout: %dsec\n", ntohl (mp->udp)); fformat (vam->ofp, "tcp-established timeout: %dsec", ntohl (mp->tcp_established)); fformat (vam->ofp, "tcp-transitory timeout: %dsec", ntohl (mp->tcp_transitory)); fformat (vam->ofp, "icmp timeout: %dsec", ntohl (mp->icmp)); } vam->retval = retval; vam->result_ready = 1; } static int api_nat_get_timeouts(vat_main_t * vam) { vl_api_nat_get_timeouts_t * mp; int ret; if (vam->json_output) { clib_warning ("JSON output not supported for nat_get_timeouts"); return -99; } M(NAT_GET_TIMEOUTS, mp); S(mp); W (ret); return ret; } static int api_nat_det_close_session_out (vat_main_t * vam) { unformat_input_t * i = vam->input; vl_api_nat_det_close_session_out_t * mp; ip4_address_t out_addr, ext_addr; u32 out_port, ext_port; int ret; if (unformat (i, "%U:%d %U:%d", unformat_ip4_address, &out_addr, &out_port, unformat_ip4_address, &ext_addr, &ext_port)) ; else { clib_warning("unknown input '%U'", format_unformat_error, i); return -99; } M(NAT_DET_CLOSE_SESSION_OUT, mp); clib_memcpy(mp->out_addr, &out_addr, 4); mp->out_port = ntohs((u16)out_port); clib_memcpy(mp->ext_addr, &ext_addr, 4); mp->ext_port = ntohs((u16)ext_port); S(mp); W (ret); return ret; } static int api_nat_det_close_session_in (vat_main_t * vam) { unformat_input_t * i = vam->input; vl_api_nat_det_close_session_in_t * mp; ip4_address_t in_addr, ext_addr; u32 in_port, ext_port; int ret; if (unformat (i, "%U:%d %U:%d", unformat_ip4_address, &in_addr, &in_port, unformat_ip4_address, &ext_addr, &ext_port)) ; else { clib_warning("unknown input '%U'", format_unformat_error, i); return -99; } M(NAT_DET_CLOSE_SESSION_IN, mp); clib_memcpy(mp->in_addr, &in_addr, 4); mp->in_port = ntohs((u16)in_port); clib_memcpy(mp->ext_addr, &ext_addr, 4); mp->ext_port = ntohs((u16)ext_port); S(mp); W (ret); return ret; } static void vl_api_nat_det_session_details_t_handler (vl_api_nat_det_session_details_t *mp) { snat_test_main_t * sm = &snat_test_main; vat_main_t *vam = sm->vat_main; fformat(vam->ofp, "deterministic session, external host address %U, " "external host port %d, outer port %d, inside port %d", format_ip4_address, mp->ext_addr, mp->ext_port, mp->out_port, mp->in_port); } static int api_nat_det_session_dump(vat_main_t * vam) { unformat_input_t* i = vam->input; vl_api_nat_det_session_dump_t * mp; vl_api_nat_control_ping_t *mp_ping; ip4_address_t user_addr; int ret; if (vam->json_output) { clib_warning ("JSON output not supported for nat_det_session_dump"); return -99; } if (unformat (i, "user_addr %U", unformat_ip4_address, &user_addr)) ; else { clib_warning ("unknown input '%U'", format_unformat_error, i); return -99; } M(NAT_DET_SESSION_DUMP, mp); clib_memcpy (&mp->user_addr, &user_addr, 4); S(mp); /* Use a control ping for synchronization */ M(NAT_CONTROL_PING, mp_ping); S(mp_ping); 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 \ _(nat44_add_del_address_range, "<start-addr> [- <end-addr] [del]")\ _(nat44_interface_add_del_feature, \ "<intfc> | sw_if_index <id> [in] [out] [del]") \ _(nat44_add_del_static_mapping, "local_addr <ip>" \ " (external_addr <ip> | external_if <intfc> |" \ " external_sw_if_ndex <id>) [local_port <n>]" \ " [external_port <n>] [vrf <table-id>] [del] protocol <n>") \ _(nat_set_workers, "<wokrers_bitmap>") \ _(nat44_static_mapping_dump, "") \ _(nat_show_config, "") \ _(nat44_address_dump, "") \ _(nat44_interface_dump, "") \ _(nat_worker_dump, "") \ _(nat44_add_del_interface_addr, \ "<intfc> | sw_if_index <id> [del]") \ _(nat44_interface_addr_dump, "") \ _(nat_ipfix_enable_disable, "[domain <id>] [src_port <n>] " \ "[disable]") \ _(nat44_user_dump, "") \ _(nat44_user_session_dump, "ip_address <ip> vrf_id <table-id>") \ _(nat_det_add_del_map, "in <in_addr>/<in_plen> out " \ "<out_addr>/<out_plen> [del]") \ _(nat_det_forward, "<in_addr>") \ _(nat_det_reverse, "<out_addr> <out_port>") \ _(nat_det_map_dump, "") \ _(nat_set_timeouts, "[udp <sec> | tcp_established <sec> | " \ "tcp_transitory <sec> | icmp <sec>]") \ _(nat_get_timeouts, "") \ _(nat_det_close_session_out, "<out_addr>:<out_port> " \ "<ext_addr>:<ext_port>") \ _(nat_det_close_session_in, "<in_addr>:<in_port> " \ "<out_addr>:<out_port>") \ _(nat_det_session_dump, "ip_address <user_addr>") static void snat_vat_api_hookup (vat_main_t *vam) { snat_test_main_t * sm __attribute__((unused)) = &snat_test_main; /* Hook up handlers for replies from the data plane plug-in */ #define _(N,n) \ vl_msg_api_set_handlers((VL_API_##N + sm->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) { snat_test_main_t * sm = &snat_test_main; u8 * name; sm->vat_main = vam; /* Ask the vpp engine for the first assigned message-id */ name = format (0, "nat_%08x%c", api_version, 0); sm->msg_id_base = vl_client_get_first_plugin_msg_id ((char *) name); if (sm->msg_id_base != (u16) ~0) snat_vat_api_hookup (vam); vec_free(name); return 0; }