diff options
Diffstat (limited to 'libtransport/src/hicn/transport/core/memif_vapi.c')
| -rw-r--r-- | libtransport/src/hicn/transport/core/memif_vapi.c | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/libtransport/src/hicn/transport/core/memif_vapi.c b/libtransport/src/hicn/transport/core/memif_vapi.c new file mode 100644 index 000000000..b0bf77e40 --- /dev/null +++ b/libtransport/src/hicn/transport/core/memif_vapi.c @@ -0,0 +1,130 @@ +/* + * 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 <vppinfra/clib.h> +#include <hicn/transport/core/memif_vapi.h> +#include <fcntl.h> +#include <inttypes.h> +#include <semaphore.h> +#include <string.h> +#include <sys/stat.h> + +DEFINE_VAPI_MSG_IDS_MEMIF_API_JSON + +static vapi_error_e memif_details_cb(vapi_ctx_t ctx, + void *callback_ctx, + vapi_error_e rv, + bool is_last, + vapi_payload_memif_details *reply) { + uint32_t *last_memif_id = (uint32_t *)callback_ctx; + uint32_t current_memif_id = 0; + if (reply != NULL) { + current_memif_id = reply->id; + } + else { + return rv; + } + + if (current_memif_id >= *last_memif_id) { + *last_memif_id = current_memif_id + 1; + } + + return rv; +} + +int memif_vapi_get_next_memif_id(vapi_ctx_t ctx, + uint32_t *memif_id) { + + vapi_msg_memif_dump * msg = vapi_alloc_memif_dump(ctx); + return vapi_memif_dump(ctx, msg, memif_details_cb, memif_id); +} + +static vapi_error_e memif_create_cb(vapi_ctx_t ctx, + void *callback_ctx, + vapi_error_e rv, + bool is_last, + vapi_payload_memif_create_reply *reply) { + memif_output_params_t *output_params = (memif_output_params_t *)callback_ctx; + + if (reply == NULL) + return rv; + + output_params->sw_if_index = reply->sw_if_index; + + return rv; +} + +int memif_vapi_create_memif(vapi_ctx_t ctx, + memif_create_params_t *input_params, + memif_output_params_t *output_params) { + vapi_msg_memif_create * msg = vapi_alloc_memif_create(ctx); + + 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; + } + + msg->payload.role = input_params->role; + msg->payload.mode = input_params->mode; + msg->payload.rx_queues = input_params->rx_queues; + msg->payload.tx_queues = input_params->tx_queues; + msg->payload.id = input_params->id; + msg->payload.socket_id = input_params->socket_id; + msg->payload.ring_size = input_params->ring_size; + msg->payload.buffer_size = input_params->buffer_size; + + return vapi_memif_create(ctx, msg, memif_create_cb, output_params); + +} + +static vapi_error_e memif_delete_cb(vapi_ctx_t ctx, + void *callback_ctx, + vapi_error_e rv, + bool is_last, + vapi_payload_memif_delete_reply *reply) { + if(reply == NULL) + return rv; + + return reply->retval; +} + +int memif_vapi_delete_memif(vapi_ctx_t ctx, + uint32_t sw_if_index) { + vapi_msg_memif_delete * msg = vapi_alloc_memif_delete(ctx); + + msg->payload.sw_if_index = sw_if_index; + + return vapi_memif_delete(ctx, msg, memif_delete_cb, NULL); +} + +#endif // __vpp__
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