From 7055e26952e0dee3a01422e9ae733f8996e81608 Mon Sep 17 00:00:00 2001 From: Dave Barach Date: Mon, 18 Jun 2018 13:16:39 -0400 Subject: Driver level time-based src mac filter Change-Id: I062d7653e00d77e73a61d8841e01ab4a159b6404 Signed-off-by: Dave Barach --- src/plugins/mactime/mactime_test.c | 311 +++++++++++++++++++++++++++++++++++++ 1 file changed, 311 insertions(+) create mode 100644 src/plugins/mactime/mactime_test.c (limited to 'src/plugins/mactime/mactime_test.c') diff --git a/src/plugins/mactime/mactime_test.c b/src/plugins/mactime/mactime_test.c new file mode 100644 index 00000000000..9ba28da2fc3 --- /dev/null +++ b/src/plugins/mactime/mactime_test.c @@ -0,0 +1,311 @@ +/* + * mactime.c - skeleton vpp-api-test plug-in + * + * Copyright (c) + * 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 +#include +#include +#include +#include + +uword vat_unformat_sw_if_index (unformat_input_t * input, va_list * args); + +/* Declare message IDs */ +#include + +/* define message structures */ +#define vl_typedefs +#include +#undef vl_typedefs + +/* declare message handlers for each api */ + +#define vl_endianfun /* define message structures */ +#include +#undef vl_endianfun + +/* instantiate all the print functions we know about */ +#define vl_print(handle, ...) +#define vl_printfun +#include +#undef vl_printfun + +/* Get the API version number. */ +#define vl_api_version(n,v) static u32 api_version=(v); +#include +#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 + +#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 _ + +static u8 * +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 uword +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]); +} + +/* + * 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; +} + +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", 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", 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, " [disable]") \ +_(mactime_add_del_range, \ + "name mac 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: + */ -- cgit 1.2.3-korg