/* * mactime.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 <vppinfra/time_range.h> #include <vnet/ethernet/ethernet.h> uword vat_unformat_sw_if_index (unformat_input_t * input, va_list * args); /* Declare message IDs */ #include <mactime/mactime_msg_enum.h> /* define message structures */ #define vl_typedefs #include <mactime/mactime_all_api_h.h> #undef vl_typedefs /* declare message handlers for each api */ #define vl_endianfun /* define message structures */ #include <mactime/mactime_all_api_h.h> #undef vl_endianfun /* instantiate all the print functions we know about */ #define vl_print(handle, ...) #define vl_printfun #include <mactime/mactime_all_api_h.h> #undef vl_printfun /* Get the API version number. */ #define vl_api_version(n,v) static u32 api_version=(v); #include <mactime/mactime_all_api_h.h> #undef vl_api_version typedef struct { /* API message ID base */ u16 msg_id_base; vat_main_t *vat_main; } mactime_test_main_t; mactime_test_main_t mactime_test_main; #define __plugin_msg_base mactime_test_main.msg_id_base #include <vlibapi/vat_helper_macros.h> #define foreach_standard_reply_retval_handler \ _(mactime_enable_disable_reply) \ _(mactime_add_del_range_reply) #define _(n) \ static void vl_api_##n##_t_handler \ (vl_api_##n##_t * mp) \ { \ vat_main_t * vam = mactime_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 \ _(MACTIME_ENABLE_DISABLE_REPLY, mactime_enable_disable_reply) \ _(MACTIME_ADD_DEL_RANGE_REPLY, mactime_add_del_range_reply) static int api_mactime_enable_disable (vat_main_t * vam) { unformat_input_t *i = vam->input; int enable_disable = 1; u32 sw_if_index = ~0; vl_api_mactime_enable_disable_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 break; } if (sw_if_index == ~0) { errmsg ("missing interface name / explicit sw_if_index number \n"); return -99; } /* Construct the API message */ M (MACTIME_ENABLE_DISABLE, mp); mp->sw_if_index = ntohl (sw_if_index); mp->enable_disable = enable_disable; /* send it... */ S (mp); /* Wait for a reply... */ W (ret); return ret; } /* These two ought to be in a library somewhere but they aren't */ static uword my_unformat_mac_address (unformat_input_t * input, va_list * args) { u8 *a = va_arg (*args, u8 *); return unformat (input, "%x:%x:%x:%x:%x:%x", &a[0], &a[1], &a[2], &a[3], &a[4], &a[5]); } static u8 * my_format_mac_address (u8 * s, va_list * args) { u8 *a = va_arg (*args, u8 *); return format (s, "%02x:%02x:%02x:%02x:%02x:%02x", a[0], a[1], a[2], a[3], a[4], a[5]); } static int api_mactime_add_del_range (vat_main_t * vam) { unformat_input_t *i = vam->input; vl_api_mactime_add_del_range_t *mp; u8 mac_address[8]; u8 *device_name = 0; clib_timebase_range_t *rp = 0; int name_set = 0; int mac_set = 0; u8 is_add = 1; u8 allow = 0; u8 drop = 0; int ret; int ii; /* Parse args required to build the message */ while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT) { if (unformat (i, "name %s", &device_name)) { vec_add1 (device_name, 0); name_set = 1; } else if (unformat (i, "allow-range %U", unformat_clib_timebase_range_vector, &rp)) allow = 1; else if (unformat (i, "drop-range %U", unformat_clib_timebase_range_vector, &rp)) drop = 1; else if (unformat (i, "allow-static")) allow = 1; else if (unformat (i, "drop-static")) drop = 1; else if (unformat (i, "mac %U", my_unformat_mac_address, mac_address)) mac_set = 1; else if (unformat (i, "del")) is_add = 0; else break; } /* Sanity checks */ if (mac_set == 0) { vec_free (rp); vec_free (device_name); errmsg ("mac address required, not set\n"); return -99; } /* allow-range / drop-range parse errors cause this condition */ if (is_add && allow == 0 && drop == 0) { vec_free (rp); vec_free (device_name); errmsg ("neither allow nor drop set, parse error...\n"); } /* Unlikely, but check anyhow */ if (vec_len (device_name) > ARRAY_LEN (mp->device_name)) { vec_free (rp); vec_free (device_name); errmsg ("device name too long, max %d\n", ARRAY_LEN (mp->device_name)); return -99; } /* Cough up a device name if none set */ if (name_set == 0) { device_name = format (0, "mac %U%c", my_format_mac_address, mac_address, 0); } /* Construct the API message */ M2 (MACTIME_ADD_DEL_RANGE, mp, sizeof (rp[0]) * vec_len (rp)); mp->is_add = is_add; mp->drop = drop; mp->allow = allow; memcpy (mp->mac_address, mac_address, sizeof (mp->mac_address)); memcpy (mp->device_name, device_name, vec_len (device_name)); mp->count = clib_host_to_net_u32 (vec_len (rp)); for (ii = 0; ii < vec_len (rp); ii++) { mp->ranges[ii].start = rp[ii].start; mp->ranges[ii].end = rp[ii].end; } vec_free (rp); vec_free (device_name); /* 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 \ _(mactime_enable_disable, "<intfc> [disable]") \ _(mactime_add_del_range, \ "name <devname> mac <mac-addr> allow drop\n" \ "allow-range Mon - Fri 9:00 - 17:00") static void mactime_api_hookup (vat_main_t * vam) { mactime_test_main_t *sm = &mactime_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) { mactime_test_main_t *sm = &mactime_test_main; u8 *name; sm->vat_main = vam; /* Ask the vpp engine for the first assigned message-id */ name = format (0, "mactime_%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) mactime_api_hookup (vam); vec_free (name); return 0; } /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */