diff options
Diffstat (limited to 'src/plugins/memif')
| -rw-r--r-- | src/plugins/memif/memif_test.c | 360 |
1 files changed, 360 insertions, 0 deletions
diff --git a/src/plugins/memif/memif_test.c b/src/plugins/memif/memif_test.c new file mode 100644 index 00000000000..c1ba9273f94 --- /dev/null +++ b/src/plugins/memif/memif_test.c @@ -0,0 +1,360 @@ +/* + * memif VAT support + * + * Copyright (c) 2017 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 <inttypes.h> + +#include <vat/vat.h> +#include <vlibapi/api.h> +#include <vlibmemory/api.h> +#include <vlibsocket/api.h> +#include <vppinfra/error.h> +#include <vnet/ip/ip.h> +#include <memif/memif.h> + +#define __plugin_msg_base memif_test_main.msg_id_base +#include <vlibapi/vat_helper_macros.h> + +/* declare message IDs */ +#include <memif/memif_msg_enum.h> + +/* Get CRC codes of the messages defined outside of this plugin */ +#define vl_msg_name_crc_list +#include <vpp/api/vpe_all_api_h.h> +#undef vl_msg_name_crc_list + +/* define message structures */ +#define vl_typedefs +#include <vpp/api/vpe_all_api_h.h> +#include <memif/memif_all_api_h.h> +#undef vl_typedefs + +/* declare message handlers for each api */ + +#define vl_endianfun /* define message structures */ +#include <memif/memif_all_api_h.h> +#undef vl_endianfun + +/* instantiate all the print functions we know about */ +#define vl_print(handle, ...) +#define vl_printfun +#include <memif/memif_all_api_h.h> +#undef vl_printfun + +/* Get the API version number. */ +#define vl_api_version(n,v) static u32 api_version=(v); +#include <memif/memif_all_api_h.h> +#undef vl_api_version + +typedef struct +{ + /* API message ID base */ + u16 msg_id_base; + u32 ping_id; + vat_main_t *vat_main; +} memif_test_main_t; + +memif_test_main_t memif_test_main; + +/* standard reply handlers */ +#define foreach_standard_reply_retval_handler \ +_(memif_delete_reply) + +#define _(n) \ + static void vl_api_##n##_t_handler \ + (vl_api_##n##_t * mp) \ + { \ + vat_main_t * vam = memif_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 \ +_(MEMIF_CREATE_REPLY, memif_create_reply) \ +_(MEMIF_DELETE_REPLY, memif_delete_reply) \ +_(MEMIF_DETAILS, memif_details) + +static uword +unformat_memif_queues (unformat_input_t * input, va_list * args) +{ + u32 *rx_queues = va_arg (*args, u32 *); + u32 *tx_queues = va_arg (*args, u32 *); + + if (unformat (input, "rx-queues %u", rx_queues)) + ; + if (unformat (input, "tx-queues %u", tx_queues)) + ; + + return 1; +} + +/* memif-create API */ +static int +api_memif_create (vat_main_t * vam) +{ + unformat_input_t *i = vam->input; + vl_api_memif_create_t *mp; + u64 key = 0; + u8 *socket_filename = 0; + u8 role = 1; + u32 ring_size = 0; + u32 buffer_size = 0; + u8 hw_addr[6] = { 0 }; + u32 rx_queues = MEMIF_DEFAULT_RX_QUEUES; + u32 tx_queues = MEMIF_DEFAULT_TX_QUEUES; + int ret; + + + while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT) + { + if (unformat (i, "key 0x%" PRIx64, &key)) + ; + else if (unformat (i, "socket %s", &socket_filename)) + ; + else if (unformat (i, "ring_size %u", &ring_size)) + ; + else if (unformat (i, "buffer_size %u", &buffer_size)) + ; + else if (unformat (i, "master")) + role = 0; + else if (unformat (i, "slave %U", + unformat_memif_queues, &rx_queues, &tx_queues)) + role = 1; + else if (unformat (i, "hw_addr %U", unformat_ethernet_address, hw_addr)) + ; + else + { + clib_warning ("unknown input '%U'", format_unformat_error, i); + return -99; + } + } + + if (!is_pow2 (ring_size)) + { + errmsg ("ring size must be power of 2\n"); + return -99; + } + + if (rx_queues > 255 || rx_queues < 1) + { + errmsg ("rx queue must be between 1 - 255\n"); + return -99; + } + + if (tx_queues > 255 || tx_queues < 1) + { + errmsg ("tx queue must be between 1 - 255\n"); + return -99; + } + + M (MEMIF_CREATE, mp); + + mp->key = clib_host_to_net_u64 (key); + mp->role = role; + mp->ring_size = clib_host_to_net_u32 (ring_size); + mp->buffer_size = clib_host_to_net_u16 (buffer_size & 0xffff); + if (socket_filename != 0) + { + strncpy ((char *) mp->socket_filename, (char *) socket_filename, 127); + vec_free (socket_filename); + } + memcpy (mp->hw_addr, hw_addr, 6); + mp->rx_queues = rx_queues; + mp->tx_queues = tx_queues; + + S (mp); + W (ret); + return ret; +} + +/* memif-create reply handler */ +static void vl_api_memif_create_reply_t_handler + (vl_api_memif_create_reply_t * mp) +{ + vat_main_t *vam = memif_test_main.vat_main; + i32 retval = ntohl (mp->retval); + + if (retval == 0) + { + fformat (vam->ofp, "created memif with sw_if_index %d\n", + ntohl (mp->sw_if_index)); + } + + vam->retval = retval; + vam->result_ready = 1; +} + +/* memif-delete API */ +static int +api_memif_delete (vat_main_t * vam) +{ + unformat_input_t *i = vam->input; + vl_api_memif_delete_t *mp; + u32 sw_if_index = 0; + u8 index_defined = 0; + int ret; + + while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT) + { + if (unformat (i, "sw_if_index %u", &sw_if_index)) + index_defined = 1; + else + { + clib_warning ("unknown input '%U'", format_unformat_error, i); + return -99; + } + } + + if (!index_defined) + { + errmsg ("missing sw_if_index\n"); + return -99; + } + + M (MEMIF_DELETE, mp); + + mp->sw_if_index = clib_host_to_net_u32 (sw_if_index); + + S (mp); + W (ret); + return ret; +} + +/* memif-dump API */ +static int +api_memif_dump (vat_main_t * vam) +{ + memif_test_main_t *mm = &memif_test_main; + vl_api_memif_dump_t *mp; + vl_api_control_ping_t *mp_ping; + int ret; + + if (vam->json_output) + { + clib_warning ("JSON output not supported for memif_dump"); + return -99; + } + + M (MEMIF_DUMP, mp); + S (mp); + + /* Use a control ping for synchronization */ + mp_ping = vl_msg_api_alloc_as_if_client (sizeof (*mp_ping)); + mp_ping->_vl_msg_id = htons (mm->ping_id); + mp_ping->client_index = vam->my_client_index; + + fformat (vam->ofp, "Sending ping id=%d\n", mm->ping_id); + + vam->result_ready = 0; + S (mp_ping); + + W (ret); + return ret; +} + +/* memif-details message handler */ +static void vl_api_memif_details_t_handler (vl_api_memif_details_t * mp) +{ + vat_main_t *vam = memif_test_main.vat_main; + + fformat (vam->ofp, "%s: sw_if_index %u mac %U\n" + " key 0x%" PRIx64 " socket %s role %s\n" + " ring_size %u buffer_size %u\n" + " state %s link %s\n", + mp->if_name, ntohl (mp->sw_if_index), format_ethernet_address, + mp->hw_addr, clib_net_to_host_u64 (mp->key), mp->socket_filename, + mp->role ? "slave" : "master", + ntohl (mp->ring_size), ntohs (mp->buffer_size), + mp->admin_up_down ? "up" : "down", + mp->link_up_down ? "up" : "down"); +} + +/* + * List of messages that the api test plugin sends, + * and that the data plane plugin processes + */ +#define foreach_vpe_api_msg \ +_(memif_create, "[key <key>] [socket <path>] [ring_size <size>] " \ + "[buffer_size <size>] [hw_addr <mac_address>] " \ + "<master|slave>") \ +_(memif_delete, "<sw_if_index>") \ +_(memif_dump, "") + +static void +memif_vat_api_hookup (vat_main_t * vam) +{ + memif_test_main_t *mm __attribute__ ((unused)) = &memif_test_main; + /* Hook up handlers for replies from the data plane plug-in */ +#define _(N,n) \ + vl_msg_api_set_handlers((VL_API_##N + mm->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) +{ + memif_test_main_t *mm = &memif_test_main; + u8 *name; + + mm->vat_main = vam; + + /* Ask the vpp engine for the first assigned message-id */ + name = format (0, "memif_%08x%c", api_version, 0); + mm->msg_id_base = vl_client_get_first_plugin_msg_id ((char *) name); + + /* Get the control ping ID */ +#define _(id,n,crc) \ + const char *id ## _CRC __attribute__ ((unused)) = #n "_" #crc; + foreach_vl_msg_name_crc_vpe; +#undef _ + mm->ping_id = vl_api_get_msg_index ((u8 *) (VL_API_CONTROL_PING_CRC)); + + if (mm->msg_id_base != (u16) ~0) + memif_vat_api_hookup (vam); + + vec_free (name); + + return 0; +} |