/* * flowprobe.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 <flowprobe/flowprobe.h> #define __plugin_msg_base flowprobe_test_main.msg_id_base #include <vlibapi/vat_helper_macros.h> /** * @file vpp_api_test plugin */ uword unformat_sw_if_index (unformat_input_t * input, va_list * args); /* Declare message IDs */ #include <flowprobe/flowprobe_msg_enum.h> /* define message structures */ #define vl_typedefs #include <flowprobe/flowprobe_all_api_h.h> #undef vl_typedefs /* declare message handlers for each api */ #define vl_endianfun /* define message structures */ #include <flowprobe/flowprobe_all_api_h.h> #undef vl_endianfun /* instantiate all the print functions we know about */ #define vl_print(handle, ...) #define vl_printfun #include <flowprobe/flowprobe_all_api_h.h> #undef vl_printfun /* Get the API version number. */ #define vl_api_version(n,v) static u32 api_version=(v); #include <flowprobe/flowprobe_all_api_h.h> #undef vl_api_version typedef struct { /** API message ID base */ u16 msg_id_base; /** vat_main_t pointer */ vat_main_t *vat_main; } flowprobe_test_main_t; flowprobe_test_main_t flowprobe_test_main; #define foreach_standard_reply_retval_handler \ _(flowprobe_tx_interface_add_del_reply) \ _(flowprobe_params_reply) #define _(n) \ static void vl_api_##n##_t_handler \ (vl_api_##n##_t * mp) \ { \ vat_main_t * vam = flowprobe_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 \ _(FLOWPROBE_TX_INTERFACE_ADD_DEL_REPLY, \ flowprobe_tx_interface_add_del_reply) \ _(FLOWPROBE_PARAMS_REPLY, flowprobe_params_reply) static int api_flowprobe_tx_interface_add_del (vat_main_t * vam) { unformat_input_t *i = vam->input; int enable_disable = 1; u8 which = FLOW_VARIANT_IP4; u32 sw_if_index = ~0; vl_api_flowprobe_tx_interface_add_del_t *mp; int ret; /* Parse args required to build the message */ while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT) { if (unformat (i, "%U", unformat_sw_if_index, vam, &sw_if_index)) ; else if (unformat (i, "sw_if_index %d", &sw_if_index)) ; else if (unformat (i, "disable")) enable_disable = 0; else if (unformat (i, "ip4")) which = FLOW_VARIANT_IP4; else if (unformat (i, "ip6")) which = FLOW_VARIANT_IP6; else if (unformat (i, "l2")) which = FLOW_VARIANT_L2; else break; } if (sw_if_index == ~0) { errmsg ("missing interface name / explicit sw_if_index number \n"); return -99; } /* Construct the API message */ M (FLOWPROBE_TX_INTERFACE_ADD_DEL, mp); mp->sw_if_index = ntohl (sw_if_index); mp->is_add = enable_disable; mp->which = which; /* send it... */ S (mp); /* Wait for a reply... */ W (ret); return ret; } static int api_flowprobe_params (vat_main_t * vam) { unformat_input_t *i = vam->input; u8 record_l2 = 0, record_l3 = 0, record_l4 = 0; u32 active_timer = ~0; u32 passive_timer = ~0; vl_api_flowprobe_params_t *mp; int ret; while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT) { if (unformat (i, "active %d", &active_timer)) ; else if (unformat (i, "passive %d", &passive_timer)) ; else if (unformat (i, "record")) while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT) { if (unformat (i, "l2")) record_l2 = 1; else if (unformat (i, "l3")) record_l3 = 1; else if (unformat (i, "l4")) record_l4 = 1; else break; } else break; } if (passive_timer > 0 && active_timer > passive_timer) { errmsg ("Passive timer has to be greater than active one...\n"); return -99; } /* Construct the API message */ M (FLOWPROBE_PARAMS, mp); mp->record_l2 = record_l2; mp->record_l3 = record_l3; mp->record_l4 = record_l4; mp->active_timer = ntohl (active_timer); mp->passive_timer = ntohl (passive_timer); /* send it... */ S (mp); /* Wait for a reply... */ 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 \ _(flowprobe_tx_interface_add_del, "<intfc> [disable]") \ _(flowprobe_params, "record <[l2] [l3] [l4]> [active <timer> passive <timer>]") static void flowprobe_vat_api_hookup (vat_main_t * vam) { flowprobe_test_main_t *sm = &flowprobe_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) { flowprobe_test_main_t *sm = &flowprobe_test_main; u8 *name; sm->vat_main = vam; /* Ask the vpp engine for the first assigned message-id */ name = format (0, "flowprobe_%08x%c", api_version, 0); sm->msg_id_base = vl_client_get_first_plugin_msg_id ((char *) name); /* Don't attempt to hook up API messages if the data plane plugin is AWOL */ if (sm->msg_id_base != (u16) ~ 0) flowprobe_vat_api_hookup (vam); vec_free (name); return 0; } /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */