/* * Copyright (c) 2020 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 <vppinfra/error.h> #include <vnet/ip/ip_format_fns.h> #include <vnet/ip/ip.h> #include <vnet/ethernet/ethernet_format_fns.h> #include <l2tp/l2tp.h> /* define message IDs */ #include <l2tp/l2tp.api_enum.h> #include <l2tp/l2tp.api_types.h> #include <vpp/api/vpe.api_types.h> typedef struct { /* API message ID base */ u16 msg_id_base; u32 ping_id; vat_main_t *vat_main; } l2tp_test_main_t; l2tp_test_main_t l2tp_test_main; #define __plugin_msg_base l2tp_test_main.msg_id_base #include <vlibapi/vat_helper_macros.h> /* Macro to finish up custom dump fns */ #define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__) #define FINISH \ vec_add1 (s, 0); \ vl_print (handle, (char *)s); \ vec_free (s); \ return handle; static void vl_api_l2tpv3_create_tunnel_reply_t_handler (vl_api_l2tpv3_create_tunnel_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->sw_if_index = ntohl (mp->sw_if_index); vam->result_ready = 1; } } static int api_l2tpv3_create_tunnel (vat_main_t * vam) { unformat_input_t *i = vam->input; ip6_address_t client_address, our_address; int client_address_set = 0; int our_address_set = 0; u32 local_session_id = 0; u32 remote_session_id = 0; u64 local_cookie = 0; u64 remote_cookie = 0; u8 l2_sublayer_present = 0; vl_api_l2tpv3_create_tunnel_t *mp; int ret; while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT) { if (unformat (i, "client_address %U", unformat_ip6_address, &client_address)) client_address_set = 1; else if (unformat (i, "our_address %U", unformat_ip6_address, &our_address)) our_address_set = 1; else if (unformat (i, "local_session_id %d", &local_session_id)) ; else if (unformat (i, "remote_session_id %d", &remote_session_id)) ; else if (unformat (i, "local_cookie %lld", &local_cookie)) ; else if (unformat (i, "remote_cookie %lld", &remote_cookie)) ; else if (unformat (i, "l2-sublayer-present")) l2_sublayer_present = 1; else break; } if (client_address_set == 0) { errmsg ("client_address required"); return -99; } if (our_address_set == 0) { errmsg ("our_address required"); return -99; } M (L2TPV3_CREATE_TUNNEL, mp); clib_memcpy (mp->client_address.un.ip6, client_address.as_u8, sizeof (ip6_address_t)); clib_memcpy (mp->our_address.un.ip6, our_address.as_u8, sizeof (ip6_address_t)); mp->local_session_id = ntohl (local_session_id); mp->remote_session_id = ntohl (remote_session_id); mp->local_cookie = clib_host_to_net_u64 (local_cookie); mp->remote_cookie = clib_host_to_net_u64 (remote_cookie); mp->l2_sublayer_present = l2_sublayer_present; S (mp); W (ret); return ret; } static int api_l2tpv3_set_tunnel_cookies (vat_main_t * vam) { unformat_input_t *i = vam->input; u32 sw_if_index; u8 sw_if_index_set = 0; u64 new_local_cookie = 0; u64 new_remote_cookie = 0; vl_api_l2tpv3_set_tunnel_cookies_t *mp; 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, "new_local_cookie %lld", &new_local_cookie)) ; else if (unformat (i, "new_remote_cookie %lld", &new_remote_cookie)) ; else break; } if (sw_if_index_set == 0) { errmsg ("missing interface name or sw_if_index"); return -99; } M (L2TPV3_SET_TUNNEL_COOKIES, mp); mp->sw_if_index = ntohl (sw_if_index); mp->new_local_cookie = clib_host_to_net_u64 (new_local_cookie); mp->new_remote_cookie = clib_host_to_net_u64 (new_remote_cookie); S (mp); W (ret); return ret; } static int api_l2tpv3_interface_enable_disable (vat_main_t * vam) { unformat_input_t *i = vam->input; vl_api_l2tpv3_interface_enable_disable_t *mp; u32 sw_if_index; u8 sw_if_index_set = 0; u8 enable_disable = 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, "enable")) enable_disable = 1; else if (unformat (i, "disable")) enable_disable = 0; else break; } if (sw_if_index_set == 0) { errmsg ("missing interface name or sw_if_index"); return -99; } M (L2TPV3_INTERFACE_ENABLE_DISABLE, mp); mp->sw_if_index = ntohl (sw_if_index); mp->enable_disable = enable_disable; S (mp); W (ret); return ret; } static int api_l2tpv3_set_lookup_key (vat_main_t * vam) { unformat_input_t *i = vam->input; vl_api_l2tpv3_set_lookup_key_t *mp; u8 key = ~0; int ret; while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT) { if (unformat (i, "lookup_v6_src")) key = L2T_LOOKUP_SRC_ADDRESS; else if (unformat (i, "lookup_v6_dst")) key = L2T_LOOKUP_DST_ADDRESS; else if (unformat (i, "lookup_session_id")) key = L2T_LOOKUP_SESSION_ID; else break; } if (key == (u8) ~ 0) { errmsg ("l2tp session lookup key unset"); return -99; } M (L2TPV3_SET_LOOKUP_KEY, mp); mp->key = key; S (mp); W (ret); return ret; } static void vl_api_sw_if_l2tpv3_tunnel_details_t_handler (vl_api_sw_if_l2tpv3_tunnel_details_t * mp) { vat_main_t *vam = &vat_main; print (vam->ofp, "* %U (our) %U (client) (sw_if_index %d)", format_ip6_address, mp->our_address, format_ip6_address, mp->client_address, clib_net_to_host_u32 (mp->sw_if_index)); print (vam->ofp, " local cookies %016llx %016llx remote cookie %016llx", clib_net_to_host_u64 (mp->local_cookie[0]), clib_net_to_host_u64 (mp->local_cookie[1]), clib_net_to_host_u64 (mp->remote_cookie)); print (vam->ofp, " local session-id %d remote session-id %d", clib_net_to_host_u32 (mp->local_session_id), clib_net_to_host_u32 (mp->remote_session_id)); print (vam->ofp, " l2 specific sublayer %s\n", mp->l2_sublayer_present ? "preset" : "absent"); } static int api_sw_if_l2tpv3_tunnel_dump (vat_main_t * vam) { vl_api_sw_if_l2tpv3_tunnel_dump_t *mp; vl_api_control_ping_t *mp_ping; int ret; /* Get list of l2tpv3-tunnel interfaces */ M (SW_IF_L2TPV3_TUNNEL_DUMP, mp); S (mp); /* Use a control ping for synchronization */ if (!l2tp_test_main.ping_id) l2tp_test_main.ping_id = vl_msg_api_get_msg_index ((u8 *) (VL_API_CONTROL_PING_CRC)); mp_ping = vl_msg_api_alloc_as_if_client (sizeof (*mp_ping)); mp_ping->_vl_msg_id = htons (l2tp_test_main.ping_id); mp_ping->client_index = vam->my_client_index; fformat (vam->ofp, "Sending ping id=%d\n", l2tp_test_main.ping_id); vam->result_ready = 0; S (mp_ping); W (ret); return ret; } #include <l2tp/l2tp.api_test.c> /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */