diff options
Diffstat (limited to 'libtransport/src/hicn/transport/core/memif_binary_api.c')
| -rwxr-xr-x | libtransport/src/hicn/transport/core/memif_binary_api.c | 218 |
1 files changed, 218 insertions, 0 deletions
diff --git a/libtransport/src/hicn/transport/core/memif_binary_api.c b/libtransport/src/hicn/transport/core/memif_binary_api.c new file mode 100755 index 000000000..b443b51ce --- /dev/null +++ b/libtransport/src/hicn/transport/core/memif_binary_api.c @@ -0,0 +1,218 @@ +/* + * Copyright (c) 2017-2019 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 <hicn/transport/config.h> + +#ifdef __vpp__ + +#include <hicn/transport/core/memif_binary_api.h> +#include <hicn/transport/core/vpp_binary_api_internal.h> +#include <hicn/transport/utils/log.h> + +#include <fcntl.h> +#include <inttypes.h> +#include <semaphore.h> +#include <string.h> +#include <sys/stat.h> + +#include <vlibapi/api.h> +#include <vlibmemory/api.h> + +// uword unformat_sw_if_index (unformat_input_t * input, va_list * args); + +/* Declare message IDs */ +#include <memif/memif_msg_enum.h> + +#define vl_msg_name_crc_list +#include <vpp/api/vpe_all_api_h.h> +#undef vl_msg_name_crc_list + +#define vl_typedefs +#define vl_endianfun +#define vl_print(handle, ...) +#define vl_printfun +#define vl_api_version(n, v) static u32 api_version = (v); +#define vl_msg_name_crc_list +#include <memif/memif_all_api_h.h> +#undef vl_msg_name_crc_list +#undef vl_api_version +#undef vl_printfun +#undef vl_endianfun +#undef vl_typedefs + +/* define message structures */ +#define vl_typedefs +#include <vpp/api/vpe_all_api_h.h> +#undef vl_typedefs + +/* + * Table of message reply handlers, must include boilerplate handlers + * we just generated + */ +#define foreach_memif_api_reply_msg \ + _(MEMIF_CREATE_REPLY, memif_create_reply) \ + _(MEMIF_DELETE_REPLY, memif_delete_reply) \ + _(MEMIF_DETAILS, memif_details) + +#define POINTER_MAP_SIZE 32 +static void *global_pointers_map[POINTER_MAP_SIZE]; +static uint8_t global_pointers_map_index = 0; + +uint32_t memif_binary_api_get_next_memif_id(vpp_plugin_binary_api_t *api) { + // Dump all the memif interfaces and return the next to the largest memif id + vl_api_memif_dump_t *mp; + vpp_plugin_binary_api_t *hm = api; + + M(MEMIF_DUMP, mp); + api->vpp_api->user_param = malloc(sizeof(uint32_t)); + *(uint32_t *)(api->vpp_api->user_param) = 0; + global_pointers_map[global_pointers_map_index] = api; + mp->context = global_pointers_map_index++; + global_pointers_map_index %= POINTER_MAP_SIZE; + + vpp_binary_api_send_request(api->vpp_api, mp); + + vpp_binary_api_send_receive_ping(api->vpp_api); + + uint32_t ret = *(uint32_t *)(api->vpp_api->user_param); + free(api->vpp_api->user_param); + + return ret; +} + +static void vl_api_memif_details_t_handler(vl_api_memif_details_t *mp) { + vpp_plugin_binary_api_t *binary_api = global_pointers_map[mp->context]; + uint32_t *last_memif_id = binary_api->vpp_api->user_param; + uint32_t current_memif_id = clib_net_to_host_u32(mp->id); + if (current_memif_id >= *last_memif_id) { + *last_memif_id = current_memif_id + 1; + } +} + +int memif_binary_api_create_memif(vpp_plugin_binary_api_t *api, + memif_create_params_t *input_params, + memif_output_params_t *output_params) { + vl_api_memif_create_t *mp; + vpp_plugin_binary_api_t *hm = api; + + if (input_params->socket_id == ~0) { + // invalid socket-id + return -1; + } + + if (!is_pow2(input_params->ring_size)) { + // ring size must be power of 2 + return -1; + } + + if (input_params->rx_queues > 255 || input_params->rx_queues < 1) { + // rx queue must be between 1 - 255 + return -1; + } + + if (input_params->tx_queues > 255 || input_params->tx_queues < 1) { + // tx queue must be between 1 - 255 + return -1; + } + + api->vpp_api->user_param = output_params; + + /* Construct the API message */ + M(MEMIF_CREATE, mp); + + global_pointers_map[global_pointers_map_index] = api; + mp->context = global_pointers_map_index++; + global_pointers_map_index %= POINTER_MAP_SIZE; + + mp->role = input_params->role; + mp->mode = input_params->mode; + mp->rx_queues = input_params->rx_queues; + mp->tx_queues = input_params->tx_queues; + mp->id = clib_host_to_net_u32(input_params->id); + mp->socket_id = clib_host_to_net_u32(input_params->socket_id); + mp->ring_size = clib_host_to_net_u32(input_params->ring_size); + mp->buffer_size = clib_host_to_net_u16(input_params->buffer_size); + + int ret = vpp_binary_api_send_request_wait_reply(api->vpp_api, mp); + if (ret < 0) { + return ret; + } + + return vpp_binary_api_set_int_state(api->vpp_api, output_params->sw_if_index, + UP); +} +int memif_binary_api_delete_memif(vpp_plugin_binary_api_t *api, + uint32_t sw_if_index) { + vl_api_memif_delete_t *mp; + vpp_plugin_binary_api_t *hm = api; + + /* Construct the API message */ + M(MEMIF_DELETE, mp); + + global_pointers_map[global_pointers_map_index] = api; + mp->context = global_pointers_map_index++; + global_pointers_map_index %= POINTER_MAP_SIZE; + + mp->sw_if_index = htonl(sw_if_index); + + return vpp_binary_api_send_request_wait_reply(api->vpp_api, mp); +} + +static void vl_api_memif_create_reply_t_handler( + vl_api_memif_create_reply_t *mp) { + vpp_plugin_binary_api_t *binary_api = global_pointers_map[mp->context]; + memif_output_params_t *params = binary_api->vpp_api->user_param; + + binary_api->vpp_api->ret_val = ntohl(mp->retval); + params->sw_if_index = clib_net_to_host_u32(mp->sw_if_index); + + TRANSPORT_LOGI("ret :%d", binary_api->vpp_api->ret_val); + + vpp_binary_api_unlock_waiting_thread(binary_api->vpp_api); +} + +static void vl_api_memif_delete_reply_t_handler( + vl_api_memif_delete_reply_t *mp) { + vpp_plugin_binary_api_t *binary_api = global_pointers_map[mp->context]; + + binary_api->vpp_api->ret_val = ntohl(mp->retval); + + vpp_binary_api_unlock_waiting_thread(binary_api->vpp_api); +} + +static int memif_binary_api_setup_handlers( + vpp_plugin_binary_api_t *binary_api) { + vpp_plugin_binary_api_t *sm __attribute__((unused)) = binary_api; +#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_memif_api_reply_msg; +#undef _ + return 0; +} + +vpp_plugin_binary_api_t *memif_binary_api_init(vpp_binary_api_t *api) { + vpp_plugin_binary_api_t *ret = malloc(sizeof(vpp_plugin_binary_api_t)); + u8 *name = format(0, "memif_%08x%c", api_version, 0); + ret->msg_id_base = vl_client_get_first_plugin_msg_id((char *)name); + ret->vpp_api = api; + ret->my_client_index = api->my_client_index; + memif_binary_api_setup_handlers(ret); + return ret; +} + +#endif // __vpp__
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