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Diffstat (limited to 'extras/libmemif/examples/common/common.h')
| -rw-r--r-- | extras/libmemif/examples/common/common.h | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/extras/libmemif/examples/common/common.h b/extras/libmemif/examples/common/common.h new file mode 100644 index 00000000000..f6c5edc3b4e --- /dev/null +++ b/extras/libmemif/examples/common/common.h @@ -0,0 +1,120 @@ +/* + *------------------------------------------------------------------ + * Copyright (c) 2020 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. + *------------------------------------------------------------------ + */ + +#ifndef _COMMON_H_ +#define _COMMON_H_ + +#include <libmemif.h> +#include <stdio.h> +#include <string.h> +#include <stdlib.h> +#include <sys/types.h> + +#ifdef ICMP_DBG +#define DBG(...) \ + do \ + { \ + printf (APP_NAME ":%s:%d: ", __func__, __LINE__); \ + printf (__VA_ARGS__); \ + printf ("\n"); \ + } \ + while (0) +#else +#define DBG(...) +#endif + +#define INFO(...) \ + do \ + { \ + printf ("INFO: " __VA_ARGS__); \ + printf ("\n"); \ + } \ + while (0) + +/* maximum tx/rx memif buffers */ +#define MAX_MEMIF_BUFS 1024 + +struct memif_connection; + +typedef int (memif_packet_handler_t) (struct memif_connection *conn); + +typedef int (packet_generator_t) (struct memif_connection *c, + uint16_t num_pkts); + +typedef struct memif_connection +{ + uint16_t index; + /* memif conenction handle */ + memif_conn_handle_t conn; + uint8_t is_connected; + /* transmit queue id */ + uint16_t tx_qid; + /* tx buffers */ + memif_buffer_t *tx_bufs; + /* allocated tx buffers counter */ + /* number of tx buffers pointing to shared memory */ + uint16_t tx_buf_num; + /* rx buffers */ + memif_buffer_t *rx_bufs; + /* allcoated rx buffers counter */ + /* number of rx buffers pointing to shared memory */ + uint16_t rx_buf_num; + memif_packet_handler_t *packet_handler; + /* interface ip address */ + uint8_t ip_addr[4]; + /* interface hw address */ + uint8_t hw_addr[6]; + /* buffer size */ + uint16_t buffer_size; + /* headroom size */ + uint16_t headroom_size; +} memif_connection_t; + +void print_version (); + +int parse_ip4 (const char *input, uint8_t out[4]); + +int parse_mac (const char *input, uint8_t out[6]); + +void alloc_memif_buffers (memif_connection_t *c); + +void free_memif_buffers (memif_connection_t *c); + +void print_memif_details (memif_connection_t *c); + +void print_memif_rx_ring_details (memif_connection_t *c, uint16_t qid); + +void print_memif_tx_ring_details (memif_connection_t *c, uint16_t qid); + +int send_packets (memif_connection_t *conn, uint16_t qid, + packet_generator_t *gen, uint32_t num_pkts, + uint16_t max_pkt_size); + +/* Expect packets smaller than 2048b */ +int responder (memif_conn_handle_t conn, void *private_ctx, uint16_t qid); + +/* Expect packets smaller than 2048b */ +int responder_zero_copy (memif_conn_handle_t conn, void *private_ctx, + uint16_t qid); + +/* reply with the same data */ +int basic_packet_handler (memif_connection_t *conn); + +/* ICMPv4 and ARP handler */ +int icmp_packet_handler (memif_connection_t *conn); + +#endif /* COMMON_H */ |