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/*
*------------------------------------------------------------------
* 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 256
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 */
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